Calculator & abacus training at App Store analyse

App power index: 540 (based on ranks around App Stores today)
Business Education
Developer: kenji kiuchi
Price: 0 free
Current version: 2.16, last update: 1 year ago
First release : 28 Mar 2016
App size: 5.79 Mb
4.0 ( 7200 ratings )
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Estimation application downloads and cost

> 11.88k
Monthly downloads
~ $ 4.86k
Estimation App Cost


This app is calculation drill for calculation training.
You can training that Abacus(soroban) & calculator & math

·Training mode
You can create the training that fits your level.
Purchase before you can create two. After the purchase will be able to create six.
Training time is pre-purchase is 50 times, after the purchase will be saved 200 times,
You can see their growth condition.
Training can be set in the range of below.
Kind: addition, the addition subtraction MIX, multiplication, division
Number of digits: up to 5 digits (9-digits after purchase)
Number of lines: up to 5 lines (15-digits after purchase)
Number of Questions: up to 50 questions

・Challenge mode
Level goes up and to clear the problem within the 100 s.
Since the problem is more and more difficult, lets challenge to your limits.
Read more
# Term Store county Place Priority
1 abacus & calculator 2
2 abacus trainer 2
Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
Poland free
UK free
India free
Japan free
Korea, Republic Of free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
Available for devices
iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,