# どこでもワーク　数学2年計算編 vs 中2英単語400

The clearest difference is in-app purchases: どこでもワーク　数学2年計算編 at none against 中2英単語400's 1. どこでもワーク　数学2年計算編 also leads on ads (none vs shown) and iOS requirement (10.0 vs 12.0). 中2英単語400's advantage is update cadence (every 11 months vs every 30 months). On price and device support there is nothing between them.

Both are free to download. 中2英単語400 sells 1 in-app purchase, starting at $1.99 per month. どこでもワーク　数学2年計算編 asks for nothing beyond the download.

どこでもワーク　数学2年計算編 ships an update every 30 months, 中2英単語400 every 11 months. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | どこでもワーク　数学2年計算編 | 中2英単語400 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | **Every 11 months** |
| Monetization | — | Ad-supported |
| Size | 37 MB | 79 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BUNRI CO., LTD.](https://appshunter.io/developer/1102284600) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### どこでもワーク　数学2年計算編

[App page](https://appshunter.io/ios/app/2/id1102304870)

**Features:** macOS Compatibility

**In-app purchases:** none


### 中2英単語400

[App page](https://appshunter.io/ios/app/2400/id1470578020)

This app helps students efficiently learn 400 English words for the second year of junior high school. It uses multiple-choice, handwriting, and listening modes to reinforce vocabulary through quizzes and personalized review. Track your progress with detailed statistics and improve pronunciation with audio playback.

**Highlights:** 400 junior high second-year English words, Multiple-choice, handwriting, and listening modes, Personalized review of incorrect words, Progress tracking and statistics, Audio playback for pronunciation, Stage-based learning structure

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| １ヶ月広告削除 | $1.99 | per month |


## Frequently asked questions

### Is どこでもワーク　数学2年計算編 free?

どこでもワーク　数学2年計算編 is free to download, with no in-app purchases.

### Is 中2英単語400 free?

中2英単語400 is free to download, with in-app purchases available.

### Do どこでもワーク　数学2年計算編 or 中2英単語400 have ads?

中2英単語400 shows ads; どこでもワーク　数学2年計算編 does not.

### Which is updated more often, どこでもワーク　数学2年計算編 or 中2英単語400?

どこでもワーク　数学2年計算編 ships an update every 30 months, and 中2英単語400 every 11 months. Most recently, どこでもワーク　数学2年計算編 was updated on October 6, 2026 and 中2英単語400 on September 27, 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.*