Chart standing · US
Not currently charting in this storefront.
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Aug 26, 2026
Rating
★ 4.68 → 4.66
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.
Average rating
Screenshots
About
This app enables you to play an abacus on the touch screen. You can also just create problems, so you can practice the abacus using your actual abacus.
What's new · 20260613
Fixed an issue where touch response was delayed on some OS versions.
Details
DeveloperJumpei Adachi
ReleasedJun 2020
UpdatedJun 2026
Version20260613
Size8.3 MB
RequiresiOS 18.0 or later
Age rating4+
LanguagesEnglish, Japanese
PriceFree
Categories
Bundle IDjumpei-adachi.electric-soroban