apps / 1551025256
Mental Math Games: Numbio
Arithmetic Trainer & Cards
Peter Schmidt · Education · Free · US storefront
- rating
- 4.7 ★
- ratings
- 1.2K
- updated
- Sep 6, 2026
- released
- Feb 9, 2021
v4.6.0
visible word pool · 7 words
title 25/30 chars · subtitle 26/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Mental Math Games: Numbio's pool that are public — the keyword field is not exposed by any API.
from the listing
Numbio (formerly FastMath) turns mental math into a fast, satisfying daily habit. Train arithmetic, master your times tables, and watch your calculation speed climb in just a few minutes a day. WHY NUMBIO? • Practice that adapts to you: difficulty scales from Easy to Extreme as you improve. • Bite-sized sessions for any schedule: a 60-second speed test or a full training plan. • Actually fun: turn drills into a game and keep your daily streak alive. PRACTICE EVERYTHING • Free…
latest US reviews
★★★★★
Stuff needs to be free
It is a really good app just I think everything should be free to do I don’t like how you have to pay. Thank you
— Girly loves math
★★★★★
Past Mistakes
I wish it would review mistakes, or show mistakes more often.
— Thinking For Dummies
★★★★★
My every day brain workout
Gives my mind a challenge, gives me task to keep my mind sharp.
— Curtie 50
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