Horrible but good for grades 2-4.
It doesn't help middle schoolers but it does help the younger grades who are learning multiplication:
Math Tutor (Lite) User Reviews
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Math Tutor (Lite) appears to be a legitimate app. AppsHunter Legitimacy Score for Math Tutor (Lite) is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.
