Best apps like HappyKey

10+ similar apps compared and reviewed

4.6 avg rating
9 free apps
Updated October 2026

Looking for something like HappyKey? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to HappyKey

ArithmeType#1

ArithmeType by ArithmeType LLC

Math Keyboard
Editor's Choice
📚 Education
3.5(4 ratings)
$9.99
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This app provides a specialized keyboard for easily typing mathematical expressions. It simplifies access to symbols from arithmetic to calculus, with features for early learners and accessibility support. It works across various websites and apps.