# ポモドーロ式数学Ⅰ・A特訓 vs 化学マスター

The clearest difference is price: 化学マスター 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 5 days). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

化学マスター 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.

ポモドーロ式数学Ⅰ・A特訓 ships an update daily, 化学マスター every 5 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ポモドーロ式数学Ⅰ・A特訓 | 化学マスター |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Paid | — |
| Size | 1 MB | 17 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shu Tanaka](https://appshunter.io/developer/1819985354) | [ryo otsuka](https://appshunter.io/developer/6788628020) |

## What reviewers say

### 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


### 化学マスター

[App page](https://appshunter.io/ios/app/id6788745347)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 化学マスター free?

化学マスター is free to download, with no in-app purchases.

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

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

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

ポモドーロ式数学Ⅰ・A特訓 ships an update daily, and 化学マスター every 5 days. Most recently, ポモドーロ式数学Ⅰ・A特訓 was updated on October 8, 2026 and 化学マスター on October 16, 2026.

---

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