# ポモドーロ式数学Ⅱ・B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Ⅱ・B特訓's $4.99. ポモドーロ式数学Ⅱ・B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Ⅱ・B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Ⅱ・B特訓 ships an update daily, 化学マスター every 5 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ポモドーロ式数学Ⅱ・B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Ⅱ・B特訓

[App page](https://appshunter.io/ios/app/b/id6747583287)

This app helps students master challenging math concepts for university entrance exams. It uses a focused, timed practice method combined with manual problem-solving to build calculation stamina and understanding. Track your progress and identify weak areas for strategic improvement.

**Highlights:** Timed practice sessions (Pomodoro technique), Focus on writing and manual problem-solving, Over 520 curated standard problems, Progress tracking and weakness identification, Offline use, no login required, One-time purchase, no ads or in-app purchases

**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Ⅱ・B特訓 free?

ポモドーロ式数学Ⅱ・B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Ⅱ・B特訓 or 化学マスター have ads?

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

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

ポモドーロ式数学Ⅱ・B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Ⅱ・B特訓 was updated on October 7, 2026 and 化学マスター on October 16, 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.*