Katsuhiko Yao iOS Apps | IPA Filezone

DecimalFinder

App Free

Version: 1.0.1
Size: 1.51 MB
Release date: 2026-10-29
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.DecimalFinder

割合攻略 – 小学5年生の算数学習

App Free

Version: 2.0.0
Size: 15.96 MB
Release date: 2026-10-22
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.RatioMaster

DivisionSense – 商を見つけましょう

App Free

Version: 2.1.1
Size: 6.91 MB
Release date: 2026-09-22
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.DivisionSense

ColumnStepsDivision

App Free

Version: 2.1.0
Size: 6.46 MB
Release date: 2026-09-01
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.ColumnStepsDivision

ColumnStepsMultiplication

App Free

Version: 1.1.1
Size: 6.24 MB
Release date: 2026-08-20
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.ColumnStepsMultiplication

予約アシスタント

App Free

Version: 1.3.0
Size: 2.27 MB
Release date: 2026-08-15
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.ReservationAssistant

ColumnStepsSubtraction

App Free

Version: 2.1.0
Size: 6.26 MB
Release date: 2026-08-15
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.ColumnStepsSubtraction

ColumnSteps: Addition

App Free

Version: 1.1.1
Size: 6.09 MB
Release date: 2026-08-03
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.ColumnStepsAddition

Make100 - Make 100 Fast

App Free

Version: 1.1.0
Size: 33.3 MB
Release date: 2026-06-22
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.Make100-PROD

Cafe WiFi Helper

App Free

Version: 2.0.1
Size: 4.65 MB
Release date: 2026-05-24
Min iOS: 26.0
Bundle ID: com.gmail.vitoyaokatsukatsu.CafeWiFiHelper

Symmetry Trainer

App Free

Version: 1.0.3
Size: 4.46 MB
Release date: 2026-02-17
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.Symmetry

DivisorDescent

App Free

Version: 1.0.0
Size: 699.0 KB
Release date: 2025-08-30
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.DivisorDescent

MultipleClimbing

App Free

Version: 1.0.2
Size: 721.0 KB
Release date: 2025-08-25
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.MultipleClimbing

CommonDivisor

App Free

Version: 5.4.0
Size: 18.62 MB
Release date: 2025-06-02
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.CommonDivisor

GridCalculation

App Free

Version: 2.2.0
Size: 16.23 MB
Release date: 2025-05-06
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.GridCalculationSwiftUI

PercentTraining

App Free

Version: 1.0.1
Size: 3.01 MB
Release date: 2025-04-15
Min iOS: 15.6
Bundle ID: com.gmail.vitoyaokatsukatsu.PercentTraining

Random Quiz

App Free

Version: 1.0.6
Size: 3.19 MB
Release date: 2025-04-05
Min iOS: 15.0
Bundle ID: com.gmail.vitoyaokatsukatsu.RandomCard

FractionAndProbability

App Free

Version: 1.0.6
Size: 3.3 MB
Release date: 2025-02-18
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.FractionAndProbability

Coordinates Master

App Free

Version: 5.0.0
Size: 5.34 MB
Release date: 2024-10-02
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.Coordinates

GoshimeidesuInSchool

App Free

Version: 1.0.0
Size: 14.35 MB
Release date: 2024-09-09
Min iOS: 17.0
Bundle ID: com.gmail.vitoyaokatsukatsu.GoshimeidesuInSchool

Exponent

App Free

Version: 1.0.2
Size: 4.39 MB
Release date: 2024-07-18
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.Exponent

RemoveParentheses

App Free

Version: 1.0.1
Size: 4.7 MB
Release date: 2024-07-12
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.RemoveParentheses

RemoveCoefficient

App Free

Version: 1.0.1
Size: 4.93 MB
Release date: 2024-06-30
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.RemoveCoefficient

TranspositionOfItems

App Free

Version: 1.0.4
Size: 5.43 MB
Release date: 2024-06-23
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.TranspositionOfItems

SumXMinus – Negative Math

App Free

Version: 2.1.1
Size: 31.61 MB
Release date: 2024-04-08
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.SumXMinus-PROD

MultiplicationTraining

App Free

Version: 1.0.3
Size: 5.12 MB
Release date: 2024-02-12
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.MultiplicationTraining

Make 10 - Mental Math

App Free

Version: 3.1.1
Size: 33.33 MB
Release date: 2024-02-11
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.SumX-PROD

AdditionTraining

App Free

Version: 1.0.5
Size: 5.14 MB
Release date: 2024-02-10
Min iOS: 16.0
Bundle ID: com.gmail.vitoyaokatsukatsu.AdditionTraining

QuickAgePlus

App Free

Version: 5.2.0
Size: 4.85 MB
Release date: 2023-10-02
Min iOS: 15.0
Bundle ID: com.gmail.vitoyaokatsukatsu.QuickAgePlus

TimeCalculation

App Free

Version: 1.0.7
Size: 5.07 MB
Release date: 2023-08-16
Min iOS: 15.0
Bundle ID: com.gmail.vitoyaokatsukatsu.QuickTime

BorC

App Free

Version: 1.0.1
Size: 3.95 MB
Release date: 2023-08-09
Min iOS: 14.0
Bundle ID: com.gmail.vitoyaokatsukatsu.BorC

Neg Multiply – Brain Training

App Free

Version: 2.0.3
Size: 31.97 MB
Release date: 2023-07-19
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.MultipleMinusX

Power of 2

App Free

Version: 1.0
Size: 262.0 KB
Release date: 2023-06-20
Min iOS: 15.4
Bundle ID: com.gmail-vitoyaokatsukatsu.PowerOf2

Multiply Pairs – Mental Math

App Free

Version: 2.0.3
Size: 32.14 MB
Release date: 2023-06-20
Min iOS: 16.6
Bundle ID: com.gmail.vitoyaokatsukatsu.MulitipleX

AorB

App Free

Version: 1.2.2
Size: 4.0 MB
Release date: 2022-12-21
Min iOS: 14.0
Bundle ID: com.gmail-vitoyaokatsukatsu.AorB

QuickBirth iOS Icon

QuickBirth

App Free

Version: 1.0.3
Size: 3.6 MB
Release date: 2021-05-17
Min iOS: 13.6
Bundle ID: com.gmail.vitoyaokatsukatsu.QuickYearOfBirth

QuickCheck3

App Free

Version: 1.2.2
Size: 3.83 MB
Release date: 2021-05-12
Min iOS: 13.6
Bundle ID: com.gmail.vitoyaokatsukatsu.QuickCheck6

QuickEra

App Free

Version: 2.1.0
Size: 3.66 MB
Release date: 2021-02-09
Min iOS: 13.6
Bundle ID: com.gmail.vitoyaokatsukatsu.QuickEra

QuickAge

App Free

Version: 8.0.0
Size: 1.69 MB
Release date: 2020-12-21
Min iOS: 13.6
Bundle ID: com.gmail.vitoyaokatsukatsu.QuickAge2