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Principle Keeper

Principle Keeper

Save your trading rules and hear them on repeat

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Principle Keeper is a free Android app with no ads. Save and organize your trading rules, listen to all or selected rules on repeat, and take a breathing break with gentle music. Available in English, Korean, and Japanese.

Principle Keeper makers

Here are the founders, developers, designers and product people who worked on Principle Keeper

이준성Creator of Principle Keeper
Principle KeeperPrinciple Keeper