I Examined the 9 Greatest Calendar Apps: My Sincere Overview

The fixed juggling of labor duties, private occasions, and last-minute adjustments usually left me feeling overwhelmed and disorganized. Between missed deadlines, overlapping conferences, and the sheer chaos of managing private {and professional} commitments, I knew I wanted an answer. 

After I lastly determined to take management, I noticed I wanted one of many greatest calendar apps to streamline scheduling and convey order to the insanity.

For years, I relied on a mishmash of sticky notes, scattered telephone reminders, and psychological math to maintain monitor of my schedule—and let’s simply say it wasn’t working. Essential occasions slipped by means of the cracks, conferences overlapped, and planning my day turned a supply of stress somewhat than readability. 

After numerous hours of analysis, I’ve examined 15+ of the very best calendar apps. I’ve analyzed their options, usability, and what G2 reviewers needed to say to determine those that actually stand out. On this article, I’m sharing my findings so you possibly can select the app that’s best for you.

Whether or not you are managing a packed work schedule, coordinating with a crew, or simply attempting to recollect your dentist appointment, there’s an app right here that may simplify your life and enable you keep organized.

My prime 9 greatest calendar app suggestions for 2025

A calendar app is a digital device designed that can assist you set up, schedule, and monitor your day by day actions, appointments, and duties in a single handy place. These instruments helped me transcend conventional paper calendars and supplied options like reminders and occasion integrations, making them certainly one of my favourite instruments to remain productive.

After I first began at G2, managing my time felt like a relentless problem—one that also makes me cringe. I as soon as scheduled a number of back-to-back conferences with out realizing they overlapped, leaving me scrambling between tabs, attempting to juggle calls. That chaos made me understand how essential it’s to have a dependable calendar app to streamline my schedule.

As soon as I started utilizing one, scheduling turned easy. I might shortly determine out there time slots with out infinite back-and-forth emails, combine video calls seamlessly, and guarantee no assembly or job slipped by means of the cracks. These apps remodeled my workflow, lowered stress, and allowed me to give attention to the work that actually mattered.

What I search for in a calendar app

When choosing a calendar app, I prioritize a couple of key options that make managing my time extra environment friendly:

• Straightforward scheduling: Managing conferences throughout totally different time zones could be a nightmare with out the precise instruments. I want an app that may detect time zones mechanically, analyze mutual availability, and counsel optimum assembly slots with out fixed back-and-forth communication. That is particularly useful when coordinating with distant groups or shoppers in numerous components of the world. By automating these duties, the app saves me time, reduces scheduling conflicts, and ensures conferences are arrange effectively, even when working with advanced international schedules.
• Collaboration options: Seamless crew coordination is crucial for productiveness. I usually should share my calendar with colleagues for group scheduling, mission planning, or aligning deadlines. An app that permits me so as to add collaborators simply customise entry permissions (e.g., view-only or full-edit rights), and consider others’ availability simplifies this course of. This eliminates the necessity for lengthy electronic mail chains or guide checks, guaranteeing everybody stays on the identical web page. 
• Person-friendly interface: With a packed schedule, I don’t need to waste time navigating a cluttered or overly advanced app. A clear, intuitive interface lets me view my day, week, or month at a look, guaranteeing I by no means miss an vital job or assembly. Options like color-coded occasions, drag-and-drop scheduling, and customizable layouts make it simpler to prepare my time and adapt the calendar to my workflow. By minimizing the training curve and navigation time, I can give attention to my priorities as an alternative of combating the device itself.
• Synthetic intelligence help: AI can take scheduling to the following stage by providing options like battle detection, computerized rescheduling, and assembly prioritization primarily based on urgency or significance. AI may be taught my habits, comparable to most well-liked assembly occasions or recurring duties, and proactively counsel schedules that align with my routines. This helps cut back choice fatigue, ensures that my schedule is optimized, and even prevents overbooking by figuring out gaps or overlaps upfront.
• Cell entry: Since I’m usually away from my desk, having strong cell entry to my calendar ensures I can keep organized irrespective of the place I’m. A responsive app with a totally purposeful cell model permits me to schedule, reschedule, or cancel occasions on the go. Options like offline entry, cell notifications, and fast syncing with desktop variations make it straightforward to handle my day with out lacking a beat. That is notably helpful throughout journey or when surprising adjustments come up.
• Cost integration: For occasions or appointments that contain funds—comparable to consultations, workshops, or freelance gigs—having built-in fee processing instruments is invaluable. It eliminates the effort of juggling third-party platforms and the calendar app, permitting me to deal with scheduling and transactions in a single place. This streamlines my workflow and enhances the expertise for shoppers or contributors by making the method seamless {and professional}.
• Customizable notifications and reminders: Efficient time administration depends on well timed reminders, however a one-size-fits-all strategy doesn’t work for everybody. One of the best calendar app ought to permit customizable notifications for various occasions and duties. For instance, I would desire a reminder an hour earlier than a gathering however a full day’s discover for an vital deadline. Adjusting these reminders primarily based on precedence or occasion sort helps me keep organized and ready with out being overwhelmed by fixed pings. 

In the end, the precise calendar app ought to save me time, cut back stress, and supply me with the instruments to handle my workday simply, permitting me to give attention to what issues most.

The checklist beneath comprises real consumer critiques from our greatest calendar software program class web page. To be included on this class, software program should:

• Enable scheduling from particular person or collaborating customers
• Allow customers to share collaborative calendars
• Characteristic customizable viewing choices (e.g., day, week, month, yr)
• Facilitate scheduling of duties, conferences, appointments, or occasions

This knowledge has been pulled from G2 in 2025. Some critiques have been edited for readability.

I’ve used Google Calendar, a part of the Google Workspace suite, for over 5 years now, and it’s undoubtedly turn into a necessary a part of my day by day routine.

What I’ve all the time appreciated is how effortlessly the whole lot syncs throughout units, making scheduling a lot simpler. The combination with different Google providers, like Gmail and Google Meet, is tremendous handy. Each time I get a gathering invite through electronic mail, it mechanically provides all of the details to my calendar. If it’s a Google Meet session, the hyperlink is true there, making it easy to leap into the assembly.

When establishing conferences, I can examine somebody’s availability in real-time. The “Discover a Time” function makes scheduling simpler by exhibiting out there slots, so I don’t must deal with the same old back-and-forth emails, particularly when coordinating conferences throughout totally different time zones. 

One other factor I actually admire is the reminder notifications. Whether or not it is an electronic mail or pop-up alert, it ensures I don’t miss vital conferences or deadlines. Plus, I can set particular occasions for these reminders, permitting me to remain on prime of duties on the proper second.

Whereas the calendar’s default views are efficient, a extra detailed “Agenda View” that teams conferences by class or precedence (with collapsible sections) might assist higher plan for busy days. 

I feel it might nonetheless enhance by providing extra granular management over what company can do with the occasions they’re invited to. Giving hosts extra choices, like proscribing whether or not company can invite others or edit occasion particulars, would enhance collaboration and cut back pointless adjustments.

What I dislike about Google Workspace:

• I skilled restricted management over visitor permissions. This made it difficult to limit modifying or forestall others from inviting contributors. 
• I discovered the shortage of an in depth “Agenda View” irritating.  This made it troublesome to shortly assess my schedule and prioritize duties successfully.

What G2 customers dislike about Google Workspace:

“When deleting a consumer and transferring calendar possession, the method could be a bit buggy. As an admin, I can transfer most conferences, however the transferred ones stay locked, stopping me from managing them.”

– Google Workspace Overview, Chays V.

Earlier than working with Microsoft Outlook, I used to be already accustomed to its status throughout the Microsoft ecosystem, so I had excessive expectations. Outlook Calendar focuses on the calendar performance tied to your Outlook electronic mail account.

I used to be curious to see how properly it would combine with your complete Microsoft 365 suite, and I used to be pleasantly shocked by how effortlessly it labored. Integrating Microsoft Groups for video calls and collaboration inside calendar invitations was particularly handy. The flexibility so as to add OneDrive information on to occasions and simply sync emails from Outlook into calendar invitations helped streamline my day-to-day duties.

 One other factor I notably appreciated was the strong search performance, which made it straightforward to shortly discover previous occasions, emails, or information associated to particular conferences or duties.

Outlook Calendar may be overwhelming at first. The interface has so many choices and menus that it might probably really feel a bit cluttered, particularly for somebody who’s not tremendous accustomed to the device. It took me a bit of time to determine find out how to navigate effectively, and generally, it felt just like the default views didn’t assist me discover issues shortly sufficient.

What I dislike about Google Workspace:

• I discovered the interface overwhelming, with too many choices and menus. The cluttered design made it exhausting to give attention to what was vital.
• The default views had been complicated and slowed navigation for brand new customers like myself. 

What G2 customers dislike about Google Workspace:

“In my expertise, Outlook can generally be sluggish, particularly with many emails or attachments. Setting it up for the primary time can be tough for brand new customers, as some options are exhausting to seek out or use. Moreover, extra customization choices for the interface would enhance the general consumer expertise.”

– Outlook Overview, Kayden Ok.

Having used Zoom Calendar, a part of the Zoom Office suite, extensively to handle private {and professional} schedules, I’ve come to understand its many options and integrations. 

One of many standout features of Zoom Calendar is how seamlessly it syncs with Google Calendar and Outlook. This ensures that each one my conferences, together with Zoom hyperlinks, are mechanically added with none further effort. 

Zoom Office’s integration with fee options is especially helpful for internet hosting webinars and paid occasions. The flexibility to simply accept funds straight throughout the platform streamlined the reserving course of, making it extremely handy for me and the contributors.

Zoom Calendar additionally integrates with job administration instruments like Asana and Trello. This integration permits me to mechanically hyperlink assembly occasions to particular duties, offering an all-in-one platform for monitoring deadlines and motion objects.

Nevertheless, not the whole lot was good. One subject I encountered was Zoom Calendar’s dealing with of time zone changes. When scheduling conferences throughout a number of time zones, it didn’t all the time sync accurately, which generally led to confusion or missed conferences. This was particularly problematic when coordinating with contributors in numerous areas, because the time zone discrepancies weren’t all the time clear.

One other draw back I observed was the fundamental notification settings. Whereas the reminders are purposeful, the flexibility to customise when and the way you obtain notifications is sort of restricted. As somebody who depends on well timed reminders to remain organized, I discover this lack of granular management over notifications to be a bit irritating, particularly once I want extra flexibility in managing my schedule.

What I dislike about Zoom Office:

• I encountered inconsistent time zone syncing, which generally prompted scheduling points. This inconsistency led to confusion when coordinating with folks throughout totally different time zones.
• The restricted notification customization didn’t permit me to tailor alerts to my preferences. In consequence, I usually missed vital reminders or obtained pointless notifications.

What G2 customers dislike about Zoom Office:

“Regardless of enhancements, Zoom has confronted ongoing scrutiny over safety considerations, comparable to “Zoombombing” (unauthorized contributors disrupting conferences) and potential vulnerabilities associated to knowledge encryption. Whereas steps have been taken to boost safety, these considerations stay current. For our group, we have additionally observed that ZoomInfo seems to be capturing our knowledge and utilizing it on their platform. This raises considerations for us, as our data is likely to be offered or utilized in ways in which aren’t solely clear.”

– Zoom Office Overview, Debbie Y.

Calendly Gross sales has been a complete game-changer for me. It eliminates the back-and-forth emails I used to take care of when scheduling conferences. By sharing my scheduling hyperlink, others can choose a time that fits them primarily based on my availability. 

The computerized blocking of unavailable occasions and syncing with my Google Calendar ensures no double-booking or missed appointments. It has additionally saved me a variety of time coordinating schedules.

I additionally actually like the flexibility to customise my reserving web page. I can add customized questions, numerous assembly varieties, and time slots, which supplies it a extra tailor-made really feel for my shoppers.

Integrating funds through Stripe or PayPal has additionally been particularly helpful. It permits me to gather funds upfront earlier than confirming gross sales, streamlining your complete course of for my shoppers.

Nevertheless, one draw back is that Calendly doesn’t have its personal native video conferencing function. Though it integrates properly with platforms like Zoom, counting on third-party instruments could be a minor inconvenience. 

Moreover, whereas Calendly works nice with Google and Outlook calendars, extra superior options, like integrations with Salesforce, Zapier, or Zoom, are locked behind the premium plans. For businesses needing these options, the price of the premium plans could possibly be a dealbreaker. 

One other factor I did not like is the shortage of a built-in reminder function for shoppers. Whereas I can set reminders on my calendar, it could be useful to have a strategy to ship computerized reminders straight by means of Calendly to make sure shoppers remember their conferences.

What I dislike about Calendly Gross sales:

• I missed having a local video conferencing function, which depends on third-party instruments like Zoom. This added an additional step to the scheduling course of and made the expertise much less seamless.
• Superior options, like integrations with Salesforce or Zapier, had been solely out there on costly premium plans. This restricted entry to highly effective instruments except I upgraded, which felt restrictive for customers on a funds.

What G2 customers dislike about Calendly Gross sales:

“One draw back is that I can’t join my electronic mail accounts except I improve. Additionally, the affirmation emails are too lengthy and complicated. A less complicated format would make it simpler for my older shoppers.”

– Calendly Overview, Jeri B.

Initially, I hesitated to make use of Zoho Mail Calendar as a result of I assumed it is likely to be overly advanced, given its deep integration with Zoho CRM and its status for strong enterprise instruments. 

I anticipated the calendar to be tailor-made extra for superior CRM functionalities, doubtlessly making it cumbersome for on a regular basis use. Nevertheless, I used to be pleasantly shocked by how intuitive and user-friendly it was. One in every of Zoho Mail Calendar’s largest benefits is how seamlessly it connects with different apps within the Zoho suite.  For those who’re already utilizing Zoho merchandise, the calendar naturally enhances these instruments, holding the whole lot in sync with out switching between platforms. 

Its sturdy collaboration options stood out to me—creating shared calendars and scheduling occasions with a number of crew members is straightforward, and syncing availability throughout departments makes coordinating conferences easy. 

Whereas its performance impressed me, the calendar interface feels a bit outdated and clunky in comparison with extra trendy instruments like Google Calendar or Outlook. Navigating by means of totally different views, comparable to day, week, or month, lacks the smoothness and visible enchantment of polished alternate options, making it purposeful however much less fulfilling.

What I dislike about Zoho Mail:

• The interface felt clunky, and the design lacked the fashionable, intuitive really feel that might have made scheduling quicker and extra fulfilling.
• Switching between views wasn’t clean. The lag between transitions disrupted my workflow and made it tougher to handle my calendar successfully.

What G2 customers dislike about Zoho Mail:

“Zoho Mail’s in depth options can really feel overwhelming for brand new customers, because the platform has a steeper studying curve than easier electronic mail instruments, requiring time to totally grasp its functionalities. Moreover, whereas Zoho Mail integrates seamlessly with different Zoho apps, customers counting on non-Zoho productiveness instruments could encounter challenges with third-party compatibility, which isn’t as clean as throughout the Zoho ecosystem.”

– Zoho Mail Overview, Anubhav M.

Having been accustomed to Apollo.io‘s status for gross sales engagement and prospecting, I used to be curious to see how its calendar function would carry out. 

One standout side was the flexibility to design assembly templates with fields like aims and key dialogue factors. This function considerably streamlined the assembly course of by guaranteeing every assembly had a powerful agenda. 

The graceful integration with CRM platforms additionally allowed for fast entry to prospect knowledge. Pulling prospect data straight into the calendar eliminated the necessity to toggle between a number of platforms, permitting for quicker decision-making and a extra organized workflow. This was notably useful when dealing with a excessive quantity of prospects and conferences, because it allowed me to handle them with ease and precision.

The calendar’s customization choices felt considerably restricted. For example, whereas it was straightforward to arrange templates, the calendar lacked the flexibleness to use particular guidelines for various assembly varieties or set detailed parameters for recurring occasions. This might have additional tailor-made the workflows to particular wants.

Furthermore, whereas Apollo.io excels for sales-related conferences, it lacks normal calendar options like occasion categorization or job administration platform integrations, making it much less versatile for balancing skilled and private schedules.

What I dislike about Apollo.io:

• I discovered restricted customization choices for recurring occasions and assembly varieties. This made it tougher to tailor my calendar to my particular wants and resulted in repetitive guide changes.
• It lacked options like occasion categorization and job administration, which might have been useful. With out these instruments, I struggled to effectively set up and prioritize several types of conferences and duties.

What G2 customers dislike about Apollo.io:

“It lacks the flexibility to ship out availability hyperlinks restricted to particular time frames.”

– Apollo.io Overview, Mesfin M.

After I used the calendar function in Acuity Scheduling, I used to be impressed by its extremely customizable reserving pages. The flexibility to totally tailor the design to match my model made the entire scheduling course of really feel cohesive {and professional}, which was a pleasing shock.

I additionally felt that the detailed consumer profiles had been an ideal function. Storing contact particulars, appointment historical past, and customized fields for particular knowledge like consumer preferences or particular requests made it straightforward to personalize interactions and construct stronger relationships.

The combination with fee gateways like Stripe and PayPal was incredibly handy. It simplified the fee course of by permitting shoppers to pay when reserving, which not solely made scheduling extra environment friendly but in addition helped handle money move easily.

That mentioned, I did discover the platform to have a little bit of a studying curve. Whereas I appreciated the wealth of options, it was initially overwhelming. Establishing superior options like consumer consumption types or automated workflows took a while to grasp, and I needed to undergo a little bit of trial and error earlier than I might absolutely reap the benefits of the whole lot it presents.

What I dislike about Acuity Scheduling:

• The platform had a studying curve, particularly when exploring superior options. It required a while to get accustomed to it.
• Establishing options like consumption types and workflows took time and trial to good. Whereas highly effective, these options weren’t intuitive, and it took effort to configure them to suit my wants.

What G2 customers dislike about Acuity Scheduling:

“I would like the final touchdown web page of Acuity Scheduling to be extra customizable to higher replicate my branding. Moreover, it could be useful if shoppers might add a number of extra electronic mail addresses (attendees) when scheduling an appointment. This function would make sure that I am conscious when shoppers need to embrace another person in a Zoom name, somewhat than discovering out in the course of the appointment when an surprising participant joins.”

– Acuity Scheduling.io Overview, Nathan A.

Reclaim.ai has been a game-changer for my time administration. The AI-driven scheduling mechanically analyzes my work habits and job priorities, permitting me to focus extra on my work somewhat than always managing my calendar. As an example, if a gathering is canceled or rescheduled, Reclaim adjusts my calendar in real-time, guaranteeing that nothing will get missed and that my schedule stays optimized.

One in every of my favourite options is the superior time-blocking. It recommends the very best occasions for conferences and duties and helps prioritize deep work by adjusting if conferences run late. This has allowed me to constantly discover focus time, even throughout busy days, with out the stress of manually adjusting my schedule.

It took a little time to determine the extra superior options, like customizing AI-driven scheduling and job prioritization. For somebody who prefers easier instruments, this may really feel a bit difficult. Moreover, Reclaim works properly with Google Calendar and Outlook, however the integration with different calendar platforms is proscribed, which could possibly be a barrier if you happen to use one thing totally different.

What I dislike about Reclaim.ai:

• I discovered the superior options difficult to be taught at first. The complexity of the choices required a studying curve.
• There was restricted integration with calendars outdoors of Google and Outlook, which was restrictive. This lack of compatibility made it difficult to sync my schedule throughout totally different platforms.

What G2 customers dislike about Reclaim.ai:

“Reclaim has a couple of areas for enchancment. It struggles with prioritizing duties primarily based on customized preferences, as duties generally seem incorrectly, requiring guide changes. Moreover, its time-blocking function does not group associated duties, cluttering the calendar with particular person entries as an alternative of a single block.

Recurring habits can’t be straight built-in into the calendar, and there is not any “finished” button for accomplished duties requiring guide updates. Reclaim additionally doesn’t deal with deadlines properly, cluttering the calendar with duties with no set due date. Time overruns aren’t confirmed, and shorter intervals (5 minutes) aren’t out there, limiting granular job administration. Lastly, the shortage of a remark function makes it troublesome to go away notes for particular duties.”

– Reclaim.ai Overview, Motty C.

I used iCal to handle my private and crew calendars and actually like its seamless integration with Apple units. The flexibility to sync occasions throughout my iPhone, iPad, and Mac made scheduling straightforward and environment friendly. It ensured I by no means missed an appointment, whatever the gadget I used to be utilizing.

One other constructive function was the intuitive interface. Creating, modifying, and organizing occasions was fast and easy, and the color-coding function helped distinguish between private, work, and project-related schedules. This made it straightforward to maintain the whole lot organized with out feeling overwhelmed.

Nevertheless, iCal’s collaboration options are considerably restricted in comparison with different calendar apps. When you can share calendars with others, there’s no strong permission administration to manage who can see or edit particular occasions, which could possibly be a difficulty for bigger groups or companies needing fine-grained management over scheduling.

Moreover, whereas iCal works properly throughout the Apple ecosystem, integration with non-Apple apps and providers could possibly be higher. Syncing with third-party calendars like Google Calendar generally resulted in delays or lacking occasions. 

The cell app, although user-friendly, lacked some customization choices out there on the desktop model, which sometimes made managing my schedule on the go a bit much less environment friendly.

What I dislike about iCal:

• The dearth of strong collaboration options is a problem. I am unable to management who can see or edit particular occasions, which is essential for managing groups and tasks.
• I’ve confronted syncing points with third-party calendars like Google Calendar. Occasions generally don’t sync correctly, inflicting delays and disruptions in my schedule.

What G2 customers dislike about iCal:

“iCal can get cluttered simply, and it lacks a streamlined strategy to ship invitations, which may be irritating. Whereas it is a good choice for private use as a result of being free, for enterprise functions, I’d advocate a extra strong answer with higher collaboration options.”

– iCal Overview, Iyer A.

I’ve discovered that collaboration instruments enable you keep organized and productive, irrespective of the mission. Discover the very best device now!