# ケミマスター vs ポモドーロ式数学Ⅰ・A特訓

The clearest difference is price: ケミマスター at Free against ポモドーロ式数学Ⅰ・A特訓's $4.99. ポモドーロ式数学Ⅰ・A特訓's advantage is update cadence (daily vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ケミマスター is free to download; ポモドーロ式数学Ⅰ・A特訓 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ケミマスター ships an update every 2 weeks, ポモドーロ式数学Ⅰ・A特訓 daily. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ケミマスター | ポモドーロ式数学Ⅰ・A特訓 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | — | Paid |
| Size | 241 MB | 1 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shuntarou Kojima](https://appshunter.io/developer/1805023945) | [Shu Tanaka](https://appshunter.io/developer/1819985354) |

## What reviewers say

### ケミマスター

[App page](https://appshunter.io/ios/app/id6746825286)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ポモドーロ式数学Ⅰ・A特訓

[App page](https://appshunter.io/ios/app/a/id6747566402)

Master math I & A with focused practice using the Pomodoro Technique. This app emphasizes writing solutions on paper, minimizing screen time to build calculation and descriptive skills. Track your progress and identify weak areas with 400 curated problems.

**Highlights:** Pomodoro Technique for focused study, Paper-based problem solving, 400 curated math problems, Progress tracking and weak area visualization, Offline access, No login required

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ケミマスター free?

ケミマスター is free to download, with no in-app purchases.

### Is ポモドーロ式数学Ⅰ・A特訓 free?

ポモドーロ式数学Ⅰ・A特訓 costs $4.99, with no in-app purchases.

### Do ケミマスター or ポモドーロ式数学Ⅰ・A特訓 have ads?

Neither ケミマスター nor ポモドーロ式数学Ⅰ・A特訓 shows ads.

### Which is updated more often, ケミマスター or ポモドーロ式数学Ⅰ・A特訓?

ケミマスター ships an update every 2 weeks, and ポモドーロ式数学Ⅰ・A特訓 daily. Most recently, ケミマスター was updated on October 20, 2026 and ポモドーロ式数学Ⅰ・A特訓 on October 8, 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.*