App Description
This app alows kids practise addition and subtraction. When child's caunting, parent hear the sound of correct or wrong answer. Difficulty level is adjusted automatically.
iPhone Screenshots
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App Changes
- June 10, 2014 Initial release
- August 02, 2014 Price increase: FREE! -> $0.99
- May 03, 2015 Price decrease: $0.99 -> FREE!
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