# 鬼計算 vs Math Practice Workbook App

The clearest difference is ads: Math Practice Workbook App at none against 鬼計算's shown. Math Practice Workbook App also leads on update cadence (every 2 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

鬼計算 ships an update every 5 months, Math Practice Workbook App every 2 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 鬼計算 | Math Practice Workbook App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-practice-workbook-app/id6741351012/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 12 MB | 2 MB |
| Requires iOS | **15.2** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [masaaki genno](https://appshunter.io/developer/1611455396) | [JAT LLP](https://appshunter.io/developer/432901935) |

## What reviewers say

### 鬼計算

[App page](https://appshunter.io/ios/app/hp/id1613670633)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Practice Workbook App

[App page](https://appshunter.io/ios/app/math-practice-workbook-app/id6741351012)

This educational app helps elementary students master basic arithmetic through fun, game-like challenges. It offers progressive stages, interactive exercises, and a reward system to build confidence and improve calculation skills.

**Highlights:** Stage-based challenge mode, Random math problem mode, Time attack mode, Learning progress tracking, Colorful design and reward system, Personalized learning pace

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 鬼計算 free?

鬼計算 is free to download, with no in-app purchases.

### Is Math Practice Workbook App free?

Math Practice Workbook App is free to download, with no in-app purchases.

### Do 鬼計算 or Math Practice Workbook App have ads?

鬼計算 shows ads; Math Practice Workbook App does not.

### Which is updated more often, 鬼計算 or Math Practice Workbook App?

鬼計算 ships an update every 5 months, and Math Practice Workbook App every 2 days. Most recently, 鬼計算 was updated on October 8, 2026 and Math Practice Workbook App on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*