Privacy Policy

Effective 19 October 2026

What Mahj Dragon collects

Nothing. Mahj Dragon has no accounts, servers, ads, analytics or tracking. We, the developer, do not collect, receive, store or sell any information about you. The only thing that ever reaches us is a message you choose to send us yourself.

On your device

Your table name and your settings; your record of games and hands, with the table names of the people you played; a hand you left unfinished, so you can pick it up again; the comments you wrote in the app, sent or not; and a short technical log of what the app was doing, kept to explain a crash. They stay in the app and in your device's backup, and deleting Mahj Dragon deletes them.

Playing with people nearby

Only while you're hosting a table, joining one, or looking for one in the lobby, nearby devices running Mahj Dragon can see your table name, whether you have a table open, and how many seats are taken. Your table name is your Game Center name, or your device's name, until you change it in Settings.

When you play together, your table name and your moves go only to the devices at the table, directly and encrypted. None of it passes through us. In Settings, Nearby invitations decides whether a nearby host may seat you: ask first, instantly, or never.

Local network

Used only to find nearby devices running Mahj Dragon and to play with them, and only while you have PLAY LOCAL or HOST open. iOS asks for your permission the first time. Mahj Dragon does not use Bluetooth itself.

Game Center

Signing in to Game Center is up to you. If you do, Mahj Dragon uses your Game Center name as your table name, unless you set your own, and sends Game Center your total wins and points for its leaderboards, and the achievements you earn. Apple runs Game Center under its own privacy policy.

Comments and crash notes

When you leave a comment, or send the note Mahj Dragon keeps after it closes unexpectedly, you see the whole message first, and it goes from your own mail app to comments@okbyus.com. We see your email address and what is in the message: your words, the game you were in, the app's version and, for a crash note, the technical details of the crash. We use it only to answer you and to fix the app, and we never sell or share it. Nothing is sent in the background.

Purchases

The free 30-day trial and the Full Game are handled by Apple, through the App Store. We never see your payment details.

Children

Mahj Dragon collects no information from anyone, including children. It has no online play: games with other people are only with devices nearby.

This website

mahjdragon.okbyus.com sets no cookies and runs no analytics. Its lettering comes from Google Fonts, so your browser fetches the fonts from Google, which sees your device's IP address as it does on any site that uses them. Cloudflare, which hosts the site, keeps the short-lived server logs every web host keeps.

Changes

If this policy changes, the new version will be here, with its date.

Who makes Mahj Dragon

Mahj Dragon is made by OK By Us, and developed by Stewart Range (OkByUs).

Contact

Questions about this policy, or anything else: comments@okbyus.com.