If your library isn’t syncing between iPhone, iPad, or Mac, don’t worry, most sync issues can be solved quickly.
Book Tracker relies on Apple’s iCloud to keep your data updated across devices, and occasionally iCloud can get stuck or out of sync. This article explains the common reasons why sync fails and gives you quick checks to try.
For the complete step-by-step recovery procedure, see our dedicated FAQ:
👉 iCloud sync is not working: how do I fix it?
Why iCloud sync might not work
- iCloud is disabled for Book Tracker in system settings.
- Different Apple IDs are used on your devices.
- Poor or unstable internet connection prevents iCloud from uploading data.
- iCloud itself is delayed — Apple’s servers sometimes take a while to update changes.
- The app’s connection with iCloud became corrupted and needs to be reset (explained in the FAQ).
Quick checks before following the full guide
- Make sure all devices are logged into the same Apple ID.
- Open Settings → iCloud → Show All → Book Tracker on each device and confirm the toggle is ON.
- Confirm you have a stable Wi-Fi or cellular connection.
- Open Book Tracker on each device and leave it open for a few minutes to give iCloud time to refresh.
If syncing is still not working, follow the full troubleshooting guide in the FAQ:
👉 How to fix iCloud sync problems
Best practices
- Always create a backup before attempting troubleshooting.
- Don’t switch Apple IDs, your library is tied to your iCloud account.
- If you see delays, give iCloud some time; syncing is not always instant.
✅ Most sync issues can be fixed by resetting iCloud for Book Tracker, as explained in the dedicated FAQ.