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Offline Access and Syncing

Offline Access and Syncing

What the mobile app can show without a connection, what needs one, and how your work syncs with the website.

Updated Oct 12, 2026

Coming soon. The CaseStacks mobile app isn't in the App Store or Google Play yet. It will be available soon.

The app keeps case text on your device, but not imaging.

What Works Offline

Cases you've opened recently keep their write-up, diagnosis, and case details such as modality, age, and sex. Recently viewed lessons and Call Simulator cases are kept too.

A banner appears at the top of the screen when you lose your connection.

What Needs a Connection

Imaging is streamed and always needs a connection. DICOM images are not stored on your device, so a case you opened earlier shows its write-up offline but not its images.

These also need a connection:

  • Marking cases complete
  • Creating or editing notes
  • Saving and unsaving items
  • Call Simulator sessions
  • CME credits and certificates
  • Voxel AI and the other AI tools

There is no download-for-offline feature. Caching is automatic for what you've already opened, and older content is replaced over time.

Imaging on Cellular Data

Imaging loads over cellular data by default, and the app shows a reminder that studies can be large. To keep imaging to Wi-Fi only, go to Profile, then Settings, then Data usage, and turn off Load imaging on cellular data. With it off, you can still tap Load anyway on a case when you need it.

Syncing With the Website

Your plan, progress, notes, saved items, completed cases, badges, and CME credits are stored on your account, not on one device. Anything you do in either place shows up in the other.

Most screens refresh when you pull down on them, which clears anything that looks out of date.

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