Yes, Química Periódica de los Elementos is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Química Periódica de los Elementos is free.
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Alright app. It needs a settings panel- I'm not able to turn off vibration and it gets annoying. I'd also like to see different difficulty levels- type it from beginning to end, instead of random letters in the middle. Pretty icon though. It looks nice on my home screen.
