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Need secret messaging? Download.

QuizLock is a fun app that allows you to send secret messages that can only be unlocked if the recipient knows the answer to your *secret question*. You're basically quizzing your friends/family before they're allowed to read your protected secret message. For example, your secret question could be "what's my favorite color?". If they answer this question correctly, then your secret message is revealed. If they cannot answer this question correctly, they lose the opportunity to read your secret message.

But the fun doesn't stop there. You can include attachments with your secret message, such as a photo, short video, or short audio clip. You can also send messages to multiple people at once, as well as use a feature called RACE-MODE, which only allows ONE person to decode your message before it's terminated forever.

QuizLock is a fun & new way of delivering messages to friends & family and we'll soon be launching additional features to make the experience even better.

What’s New

Version 1.5

- Better notification details

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, Space Lab Technologies, LLC., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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