SumX app for iPhone and iPad
4.0 (
8560 ratings )
Education
Developer: Katsuhiko Yao
Free
Current version: 2.0.9, last update: 4 months agoFirst release : 11 Feb 2024
App size: 22.52 Mb
The innovative game of enhancing numerical and computational skills by selecting two numbers that sum up to 10 (or any other number).