Not a sponsored list. We analyzed 1,231 real negative reviews from the top Calendar apps. Here's what each one gets wrong — so you can pick the least broken one.
Frequent app crashes and freezes during event creation.
"Freezes when entering location every time."
"App crashes whenever you create a calendar event."
Loss of data and poor sync capabilities.
"ALL my events & appointments in my calendar are done."
"Suddenly today I lost everything in the app."
Essential features locked behind a subscription.
"You have to pay to do anything. I don't want to pay the $20 just to repeat my tasks."
"Can’t make ANY repeating alarms without paying for it."
Frequent data loss and sync problems.
"I’ve used this app for years and today I woke up and check my calendar and all of my events were literally just gone."
"This calendar just deleted all of my stuff saved and future events, like everything!"
Inconsistent notifications and alert failures.
"The alert does not go off, for some reason it only wants to give an alert for time sensitive entries."
"Alarms do not alert."
The analysis of 1231 negative reviews across the top 5 calendar apps on the iOS App Store reveals significant user dissatisfaction with persistent bugs, missing features, and pricing models. The most prevalent complaint is about data loss, with 32% of reviews mentioning events disappearing unexpectedly. This issue severely affects user trust and usability. Another common grievance, mentioned in 27...
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