Verithiathe honest score on any app
Updated July 2026 · real, multi-region App Store reviews
The verdict on

Calendar

40
User verdict / 100 High confidence Divided

Apple Calendar offers seamless integration with the Apple ecosystem, but recent user reviews highlight significant issues with data loss, unreliable alerts, and a lack of customization options, contradicting the app's strong lifetime rating.

4.9★ lifetime (1,515,227) Free to download since 2016 by Apple Inc. updated 6.9 mo ago recent negative 57% 120 reviews across 4 regions
Data Loss Unreliable Alerts Limited Customization Holiday Management Spam Invites Sync Issues Apple Ecosystem Integration
5★150
4★113
3★144
2★110
1★433
recent reviews across 4 regions, vs the 4.9★ lifetime average

Apple Calendar is a free, pre-installed app praised for its integration with other Apple services, allowing users to manage schedules and receive event suggestions. However, recent reviews frequently report critical issues such as events disappearing, alerts failing, and difficulties with customization and holiday management, leading to a negative recent sentiment despite a high lifetime rating.

What users like

  • Seamless integration with Apple products and services, including Siri and personalized event suggestions from iMessages/MailR23R176
  • Easy to use for basic scheduling and organizationR110R193R176
  • Helpful for tracking daily schedules, birthdays, and important activitiesR202R139R64

What users complain about

  • Frequent and critical data loss, with events and reminders disappearing without warningR1R2R4R8
  • Alerts and notifications are unreliable or do not work as expectedR3R39R48R54
  • Limited customization options for colors, fonts, and event displayR10R29R61R102
  • Difficulty managing and removing pre-programmed holidays, including incorrect or unwanted optionsR11R18R21R22
  • Issues with syncing across devices and with other calendar apps, leading to duplicate entries or failure to updateR25R30R31R35
  • Spam invitations appearing on the calendar with no clear way to block or remove themR16R32R37R43
  • Widgets lack functionality, such as marking reminders complete or showing a full month viewR14R113R293
  • User interface changes are sometimes disliked, making navigation more difficult or less efficientR7R9R68R204

Latest update · v1.9

What the developer says changed (the verdict above weighs this against what reviewers report):

Bug Fixes and Feature Enhancements

Recurring themes

Data Loss negative
Many users report that their events, appointments, and reminders frequently disappear from the calendar, often without warning or ability to recover them. This is a critical issue for users who rely on the app for important scheduling.R1R2R4R8
Unreliable Alerts negative
Users experience issues with alerts not working, not triggering at the correct time, or automatically swapping reminder times, leading to missed events. This contradicts the developer's vague 'Bug Fixes' note.R3R39R48R54
Limited Customization negative
Reviewers desire more options for personalizing the calendar, such as additional colors for events, different fonts, and more flexible repeat options for events. The current options are considered too basic.R10R29R61R102
Holiday Management negative
Many users are frustrated with the inability to filter, remove, or customize holiday calendars, particularly when they include irrelevant or unwanted holidays, or display incorrect information.R11R18R21R22
Spam Invites negative
Users report receiving unwanted and unblockable spam invitations that appear directly on their calendar, making the app difficult to use and raising privacy concerns.R16R32R37R43
Sync Issues negative
Problems with events not syncing correctly between devices, with shared calendars, or with third-party calendar apps are frequently mentioned, leading to duplicate entries or missing information.R25R30R31R35
Apple Ecosystem Integration positive
A consistent positive point is the app's seamless integration with other Apple devices and services, such as Siri and intelligent event suggestions, which enhances its utility for Apple users.R23R176

Who it's for

This app is for Apple users who prioritize deep integration with the Apple ecosystem and need a basic, free calendar for personal scheduling R23R176. It is not recommended for users who require robust data reliability, extensive customization, advanced alert options, or seamless syncing with non-Apple services R1R3R10R31.

Evidence note: The recent reviews skew heavily negative, focusing on critical bugs like data loss and unreliable alerts, which directly contradict the developer's vague 'Bug Fixes' update notes. This recent sentiment is a stark contrast to the very high lifetime rating, suggesting a significant decline in user experience over the past year. The lifetime rating likely reflects a period when these critical issues were not prevalent.

Frequently asked

Does Apple Calendar reliably store my events?
Recent reviews indicate that Apple Calendar has significant issues with reliably storing events, with many users reporting that their appointments, birthdays, and schedules frequently disappear without warning or a way to recover them R1R2R4R8.
Can I customize the appearance and features of Apple Calendar?
Users report that Apple Calendar offers limited customization options, with requests for more colors, fonts, and flexible event repeat settings R10R29R61R102.
Are alerts and notifications reliable in Apple Calendar?
Recent reviews suggest that alerts and notifications in Apple Calendar are unreliable, with users experiencing issues such as alerts not working, not triggering at the correct time, or automatically swapping reminder times R3R39R48R54.
How does Apple Calendar handle spam invitations?
Many users report that Apple Calendar allows uninvited spam and scam events to appear on their calendar, and there is no clear way to block, decline, or remove these entries R16R32R37R43.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R23] 4/5 · US Almost Perfect for Any Apple User: Apple’s calendar app has one leg up over the competition, and that is the integration with its products and services. I can ask Siri for the next event on my calendar from any of my Apple devices, and I can get personalized suggestions for new events as well based on conversations in iMessages or Apple Mail. There is one problem with this app, though, and it is t
  2. [R176] 5/5 · US Seamless Schedule Management: The Apple Calendar app is a great way to stay organized and manage my daily tasks. I love how it syncs perfectly across all my devices so I never miss an important meeting or event. The clean layout makes it very easy to see my schedule at a glance and adding new appointments is quick and simple. It is a reliable tool for keeping my busy life on track without any hass
  3. [R110] 5/5 · US why i love calendar: this app makes it easy to remind me to do stuff or reminds me about important things. i tend to always forget those stuff so this app makes it very easy. 10/10
  4. [R193] 5/5 · US I LOVE APPLE CALENDAR: I love apple calendar I literally schedule my whole life in her. I plan out my whole day, add my appointments, my working shrifts, chores, friend hangouts, etc. But the one thing I wish they added was something to make a certain event stand out more than the rest. Maybe it’s a symbol or you can hide other events. I’m not sure how this would work but I want this because when
  5. [R202] 5/5 · US Awesome: The whole idea of the digital calendar is to be organized. It keeps me up to date on my daily schedule and birthday. Also other important activities. I would love to see more features added?
  6. [R139] 5/5 · US Wow: It helps me not forget my sister birthday🥹🫰
  7. [R64] 5/5 · US Love it: this is a great app for some schedules and just know when stuff is
  8. [R1] 1/5 · US Frustrating: All my events are gone, and are no where to be found. Incredibly frustrating
  9. [R2] 2/5 · US Whyyyy: Why whole calendar keeps getting deleted I feel like every other week…
  10. [R4] 1/5 · US Disappear: I used to like this calendar. Not anymore. I constantly lose my past schedules. It is July 2026 and June 2026 is gone. I schedule reminders for Birthday’s. They never happen.
  11. [R8] 1/5 · US Where’s my stuff?: Out of nowhere every single work entry I’ve ever made just disappeared. Why?
  12. [R3] 1/5 · US Alerts don't work: My alerts don't work like they use too!! Apple sucks!!
  13. [R39] 1/5 · US Alerts no longer work: I’ve used this app to remind me of appointments for years. The last two months, alerts stopped working. I’ve made no changes to the app but alerts have stopped.
  14. [R48] 1/5 · US Broken Alerts: Since Apples last update, the calendar app isn’t working reliably
  15. [R54] 1/5 · US It doesn’t do its job: As a calendar should be able to remind you when the meeting you set and give you heads up about them, even though you put extra notifications
  16. [R10] 4/5 · US Good but add specific times for events not just times that end in zeros and fives: Wonderful organization but add specific times for events not just times that end in zeros and fives and stickers and more colors that personalize it
  17. [R29] 1/5 · US What a pain to switch from Samsung calendar: I had to switch to Apple since all my family using iPhones, but I'm really missing my Samsung calendar when you can put stickers and colors to the events, I'm visual person, it was helping a lot. I guess I'll stick with Google calendar even it's acting a bit glitchy on the iPhones.
  18. [R61] 3/5 · US Add Color Coding: Overall well functioning, but I'd love to have color options to organize different types of events and keep track of them easier
  19. [R102] 3/5 · US More customization: very simple app to use but I really wish they allowed you to customize your calendar more possible like maybe a few different fonts and different color options to choose from!
  20. [R11] 1/5 · US Calendar: Why my iPhone 15 pro max doesn’t have US holiday in this App ?
  21. [R18] 1/5 · US SCAM: Lists “US Holidays” automatically in calendar and the “holidays” are NOT US HOLIDAYS you can google it just fake virtue signaling garbage
  22. [R21] 3/5 · US I’d like a refund: I like this app, I use it for everything. I would like more access to change things; example: how are Jewish and Islamic holidays considered “U.S. Holiday” ( which is not true) and I can’t remove the holiday so it’s not in my calendar reminder
  23. [R22] 3/5 · US Optional Holidays: Apple, please make it possible to filter different holidays. We don’t all want to see Christian, Jewish, and Islamic holidays wholesale or none at all. Please add filters!
  24. [R25] 2/5 · US Not working properly: Since I upgraded my IPhone the calendar has been displaying multiple copies of my events and I can’t even see the new events I have added.
  25. [R30] 1/5 · US Sync with other ppl: Used to be able to share calendar with spouse. Discovered today have old entries but new entries from other person do not show. Use Google as primary calendar for one and Apple as primary for other. Both use Apple calendar app on iPhone 12 & 14. Please assist in this headache. Not happy campers
  26. [R31] 2/5 · US Only Default Option: I use Google Calendar to sync family events. Unfortunately there is no option to make it the default calendar on my iPhone. Instead I have to keep the iOS default calendar app on my phone and have it connect to my Google Calendar. Annoying.
  27. [R35] 3/5 · US Sync issues: Takes forever to sync with other devices
  28. [R16] 1/5 · US Sexual Calendar Entries Allowed: Allows uninvited calendar entries to show up on the calendar from junk mail. I have a whole bunch of junk email every day with people sending nasty calendar invites that I have never accepted showing up with sexual meeting invites that I cannot make go away they just keep showing up on the calendar, making it useless to use without seeing these things. The whole
  29. [R32] 1/5 · US Really bad: There’s invitations that is really weird and gives me weird vibes please keep children away from this app and make them use a different app
  30. [R37] 1/5 · US Horrible: Junk topics How do I blocked unwanted entries on my calendar from scam websites that pop up and won’t let me block them. I updated and they showed up
  31. [R43] 1/5 · US Open spam/hackers delight: Tired of having uninvited companies and spam creators post events on my calendar that I cannot delete. If there is a way to block these posts I’d appreciate hearing how.
  32. [R14] 4/5 · US Decent but needs improvement: Widgets need more options. Specifically, you should be able to mark a reminder complete by clicking on it in the widget. You should not have to open the app to mark a reminder complete. Also, need a widget that shows events in a month/weeks long calendar view. Something other apps offer.
  33. [R113] 3/5 · US Needs more customization: Needs a better widget calendar that shows month view along with top scheduled appts for each day. Also want to show full day of the week on the lock screen. Not just an abbreviation.
  34. [R293] 3/5 · GB Not enough events: The widget shows upcoming events for the next three days only. Can you make the widget adjustable size/number of events, especially given the size of the screen nowadays? Or even better, allow scrolling through the events within the widget.
  35. [R7] 2/5 · US Do Apple's sw engineers ever USE their Apps?: Lost three Stars: Most recent iteration does away with "HIDE ALL" for all Calendars, so for using Apple Calendar to search for past present or future events it sadistically makes arthritic hands go thru a meaningless waste of time clicking off all other myriad categories in order to usefully search their sole category of interest for one event, then h
  36. [R9] 1/5 · US Timeline Unecessary: I don’t like the new format. I don’t need to see the time line all the way down. I’m sure some people it’s helpful, however, I like the simpler look. I already have times and alerts added to my events.
  37. [R68] 3/5 · US Can’t remove sidebar: I used this app for years, decades, and now suddenly there’s a side bar that I can’t remove. If you’re going to add things that we didn’t need, at least make it obvious how to remove them when we don’t want them. 😑
  38. [R204] 4/5 · US Chang it back: The new changes (February 2026) are TERRIBLE. The ridiculous blue dashes across the calendar screen do not help. It was so much easier when we could actually see words of what we had recorded. As it is now I have to click on each date to see and it wastes so much time. Please change it back. There is no advantage and the changes helped nothing. If it doesn’t change back, I’m going t

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store