CompareOpen in Google Play
Where this app stands in Japan, updated 6 Nov 2026
Top free · Educational
#64 ▲23
Top grossing
Not in this chart today
Top paid
Not in this chart today
| Date | Free |
|---|---|
| 6 Nov 2026 | #64 |
| 5 Nov 2026 | #87 |
| 3 Nov 2026 | #99 |
| 2 Nov 2026 | #96 |
| 1 Nov 2026 | #80 |
| 29 Oct 2026 | #88 |
| 26 Oct 2026 | #87 |
| 25 Oct 2026 | #73 |
| 19 Oct 2026 | #70 |
| 17 Oct 2026 | #61 |
| 16 Oct 2026 | #63 |
| 15 Oct 2026 | #68 |
| 14 Oct 2026 | #70 |
| 13 Oct 2026 | #72 |
| 12 Oct 2026 | #64 |
| 11 Oct 2026 | #62 |
| 10 Oct 2026 | #58 |
| 8 Oct 2026 | #58 |
Best rank in each country today. Click a country to see its graph.
Activate the brain through mental arithmetic with brain training apps.
■ Brain Training Apps Activate the brain through mental arithmetic with brain training apps. Begin mental gymnastics once a day! ■ Application Features Have a great time playing with family and friends. Play with a difficulty that matches your level. Compete for the best time in the world rankings. Become skilled at arithmetic, useful for your mathematical studies. You can also play offline. Increase your ability to concentrate through brain activation.
past month, based on 3 days
Downloads
Low confidence17K
From install count ÷ months since release
In-app revenue
$0
No in-app purchases
Ads
$9.1K
$4.6K – $18K
Estimate, ads (benchmark-based, not calibrated per app)
Total
$9.1K
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.