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Written Calc Downloads & RevenueWritten Calc · App Store

Not in any tracked top chart right now.

Updated 8 Nov 2026 · rankings refresh through the day

DeveloperKouichi INAFUKU
CategoryEducation
PriceFree
Released
Rating★ 3.5 (2)
Version1.0.0
Age rating4+
First seen by us 23 Oct 2026
View on the App Store ↗

Written Calc update history & changes

Last change · 3 events since 14 Feb 2017Full timeline ↓
🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 2 events in the last 12 months
  2. 🆕
    Written Calc first spotted by AppInsider
    Japan (found via developer)
  4. 🆕
    Written Calc 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
3.5 ★
2 ratings
Measured

Written Calc on the App Store

App details

App ID
1205243975
Publisher
Kouichi INAFUKU
On the store since
Feb 2017
9 years on the store
Minimum OS
iOS 9.3+
iPhone 4s and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN JA
Size
16 MB
Also listed in
Utilities