This app merges a functional calculator with role-playing game elements. It offers a "Calc mode" for standard calculations, a fast-typing number game, and a mental arithmetic challenge.
Goldbach conjecture by Sungjun Kim


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Quick mental calculation is great, but it's not the only option. Explore 10+ similar apps and games for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.







This app merges a functional calculator with role-playing game elements. It offers a "Calc mode" for standard calculations, a fast-typing number game, and a mental arithmetic challenge.



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