Flash mental calculation Downloads & RevenueFlash mental calculation · App Store
Not in any tracked top chart right now.
Updated 10 Nov 2026 · rankings refresh through the day
Developerkenji kiuchi
CategoryEducation
PriceFree
Released
Rating★ 3.7 (10)
Version2.11
Age rating4+
First seen by us
23 Oct 2026
23 Oct 2026Flash mental calculation update history & changes
Last change · 3 events since 14 Apr 2017Full timeline ↓Full timeline · 2 events in the last 12 months
- 🆕Flash mental calculation first spotted by AppInsiderJapan (found via developer)
- 🆕Flash mental calculation released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
3.7 ★
10 ratings
Measured
Flash mental calculation on the App Store
App details
App ID
1224937523
Publisher
kenji kiuchi
On the store since
Apr 2017
9 years on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
12 MB
Also listed in
Utilities
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
3.7 ★
10 ratings
Measured
Ratings
10
Measured
About Flash mental calculation
This app that you can practice flash mental arithmetic.
You can review the calculation process by tapping the confirmation button after calculation.
In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later.
The past logs are saved for 10 questions before purchase, and 150 questions can be saved after purchase.
■ Past log
Challenge mode, practice mode questions and results are automatically saved.
Touch the challenge button to re-challenge the question.
The past logs are saved for 10 questions before purchase and 150 questions are stored after purchase.
You can review the calculation process by tapping the confirmation button after calculation.
In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later.
The past logs are saved for 10 questions before purchase, and 150 questions can be saved after purchase.
■ Past log
Challenge mode, practice mode questions and results are automatically saved.
Touch the challenge button to re-challenge the question.
The past logs are saved for 10 questions before purchase and 150 questions are stored after purchase.
Latest updates
2.11
bug fix.
