Ninimaths
Ninimaths 暗算アプリ
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperNinicode
CategoryEducation
PriceFree
Released
Rating★ 4.9 (12k)
Version4.5.8
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)1M+ worldwide
Rating
4.9 ★
12k ratings
Measured
Ninimaths on the App Store
App details
App ID
647989498
Publisher
Ninicode Inc.
On the store since
May 2013
13 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase · Game Center
Content rating
4+
Languages
6
EN JA KO ZH TH ZH
Size
11 MB
Also listed in
Family, Games, Board
Ninimaths downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Ninimaths makes money: subscriptions, one-off purchases and ads.
Ads · 1 ad networks
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.9 ★
12k ratings
Measured
Ratings
12k
Measured
About Ninimaths
Ninimaths is an application to train mental arithmetic ability.
Characteristic:
- Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing
- 1 to 5 digit numbers can be freely combined
- Corresponds to display in the column format
- Daily scores are recorded for each mode and displayed on the graph
- Ranking function by Game Center
- Time trial to measure strictly
Characteristic:
- Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing
- 1 to 5 digit numbers can be freely combined
- Corresponds to display in the column format
- Daily scores are recorded for each mode and displayed on the graph
- Ranking function by Game Center
- Time trial to measure strictly
Latest updates
4.5.8
Regular improvements to keep the app working properly.
