Privacy policy

Last updated: 28 October 2026

Tabiya is a chess opening trainer for iPhone, iPad and Android, made by Martin Kiperszmid. In short: it has no account, no ads and no analytics, and what you do in it stays on your device.

What stays on your device

• Your openings, your progress and your training history.
• Your settings, including the time of the daily reminder.
• Your Lichess token, if you add one.

Tabiya doesn't send any of this to us. We don't run a server for the app, so there is nowhere for it to go.

If your phone's own backup is on (iCloud, or your Google account on Android), the system may include Tabiya's data in that backup, under your account. We can't see it.

When Tabiya goes online

Only to talk to Lichess, and only when you use one of these features:

• The Lichess opening explorer. If you add a Lichess token, Tabiya asks the explorer which moves players choose in the positions you look at. That's how it shows the gaps in your repertoire and the most popular replies when you spar. Each request sends Lichess the position and your token.
• Importing a Lichess study. When you add an opening from the catalog or from a study link, Tabiya downloads that public study from lichess.org.

Lichess handles these requests under its own privacy policy: lichess.org/privacy.

Everything else works offline, including the chess engine, Stockfish, which runs on your device.

Files you open

When you import a PGN file, Tabiya reads it on your device and keeps its moves. The file isn't uploaded anywhere.

Notifications

The daily reminder is scheduled on your device and needs your permission to show notifications. On Android 14 and later, Tabiya may also ask you to allow Alarms & reminders, so the reminder comes at the exact time. Neither permission sends anything anywhere.

What we don't do

No account. No ads. No analytics or crash reporting. No tracking across apps or websites. We don't sell or share your data, because we don't have it.

Children

Tabiya isn't directed at children under 13, and it collects no personal information from anyone.

Deleting your data

Delete the app and everything it stored on your device goes with it. Inside the app you can also reset an opening's progress or remove an opening. To stop a Lichess token from working, delete it on lichess.org, under Preferences › API access tokens.

Changes

If this policy changes, the new version goes on this page with a new date.

Contact

Questions about privacy: devkiperszmid@gmail.com