Calendar read and write

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Sissi

• December 08, 2025 14:51

Hi, I am having an issue with ATracker and the calendar integration. It used to work fine, but recently the recorded durations became completely wrong (for example, a 10-minute task suddenly showed up as 2–10 hours). Because before I only used my Apple Watch and iPhone to sync and never had this problem before, I suspected an issue between the calendar and the watch. So I unpaired and re-paired my watch, turned the calendar integration in ATracker off and on again, and then re-enabled the permissions. Now the watch works normally again, but ATracker can no longer read from or write to my calendar at all – there is simply no sync. Do you have any idea what might be causing this and how I can fix it?

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• Official comment

  

  Jian

  • December 08, 2025 20:06

  Thanks for using ATracker!

  We haven’t made changes to the calendar or Apple Watch integration for several years. However, recent iOS updates may temporarily affect compatibility with the Apple Watch or the Calendar API.

  Please try disabling the Calendar read/write option in ATracker → Settings, then enable it again. ATracker also has task-level calendar settings, so please double-check those as well.

  Please note that, due to iOS limitations, the Apple Watch cannot create or modify calendar entries on its own. Any changes will be synced to the calendar once the ATracker app is opened on your iPhone.

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