How can we help?

Most answers are below. If yours isn't, write to us and a real person will reply.

Contact us

Bugs, ideas, a riddle you think is wrong, or anything else. If it's about a duel or your data, include your anonymous id from Settings, then Privacy policy.

zivh113@gmail.com

Common questions

Why is the daily riddle locked?

You get one guess at each day's riddle. After you answer, right or wrong, it locks and a new one arrives at midnight your time. The countdown on the Riddle tab shows how long is left.

How do streaks work?

Your streak counts the days in a row you play. Miss a day and it starts again from one.

Do I need an account?

No. Your progress is saved on your device, so it doesn't move to a new phone. Reinstalling the app or using Reset progress starts you from scratch.

A question or answer is wrong.

Questions are written by AI and sometimes slip. Tap "Report" under the result and pick a reason. It helps us fix it for everyone.

How do I play a friend?

Open 1V1, then Play a friend. Create a code and send it to them, or type in the code they sent you.

Someone in a duel is being offensive.

Tap "Report" on the duel result and choose a reason. You can also block them so you're never matched again. You'll find blocked players in Settings.

Can I turn off AI answer checking?

Yes. Go to Settings, then AI answer checking, and turn it off. Answers you type are then checked on your device only.

How do I cancel a subscription?

In MindBuff, open Settings and tap Manage subscription. Or in your store account: on iPhone, Settings, your name, Subscriptions, MindBuff. On Android: Google Play, your profile picture, Payments and subscriptions, Subscriptions, MindBuff. You keep Pro until the end of the period you paid for, and deleting the app doesn't cancel it.

What do I get with Pro?

Unlimited workouts. Everyone, Pro or not, gets the daily riddle, streaks, one workout a day, reviews, duels and the league. On a new phone, use Restore purchases in Settings.

Delete your data

In the app: Settings, then Delete my data, then Delete everything. It removes your leaderboard ratings, duel record, league entries, riddle results and reports from our server, and your progress on the device.

No app anymore, or want to know exactly what's deleted? See Delete your data.