# ルート数学 高校数学/中学数学/受験数学/定期テスト vs ponkan 面白い英和辞典

The clearest difference is ads: ルート数学 高校数学/中学数学/受験数学/定期テスト at none against ponkan 面白い英和辞典's shown. ponkan 面白い英和辞典's advantage is update cadence (daily vs every 4 days) and iOS requirement (16.4 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ルート数学 高校数学/中学数学/受験数学/定期テスト sells 2 in-app purchases, starting at $6.99 per month and ponkan 面白い英和辞典 sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ルート数学 高校数学/中学数学/受験数学/定期テスト ships an update every 4 days, ponkan 面白い英和辞典 daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ルート数学 高校数学/中学数学/受験数学/定期テスト | ponkan 面白い英和辞典 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 80 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ryu Komahashi](https://appshunter.io/developer/1685370765) | [Ibuki Hara](https://appshunter.io/developer/6791958118) |

## What reviewers say

### ルート数学 高校数学/中学数学/受験数学/定期テスト

[App page](https://appshunter.io/ios/app/id6774644576)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月プラン | $6.99 | per month |
| 1年プラン | $69.99 | per year |


### ponkan 面白い英和辞典

[App page](https://appshunter.io/ios/app/ponkan/id6809722393)

This app is a unique English-Japanese dictionary featuring 858 uncommon words that are unlikely to be used in everyday life. It offers definitions, pronunciations, example sentences, and a quiz mode. Users can also save favorite words and remove ads with a one-time purchase.

**Highlights:** 858 uncommon English words, Search by English or Japanese, Illustrations, pronunciation, audio, examples, Four-choice quiz mode, Save favorite words, Ad removal purchase

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ポンカンプレミアム（月額） | $2.99 | per month |
| ポンカンプレミアム（年額） | $17.99 | per year |
| 専門英語マニア | $1.99 | one-time |
| かぞえるえいたんご | $1.99 | one-time |
| スポーツ英語７２選 | $1.99 | one-time |
| タベタン | $1.99 | one-time |
| 天気の英単語 | $1.99 | one-time |


## Frequently asked questions

### Is ルート数学 高校数学/中学数学/受験数学/定期テスト free?

ルート数学 高校数学/中学数学/受験数学/定期テスト is free to download, with in-app purchases available.

### Is ponkan 面白い英和辞典 free?

ponkan 面白い英和辞典 is free to download, with in-app purchases available.

### Do ルート数学 高校数学/中学数学/受験数学/定期テスト or ponkan 面白い英和辞典 have ads?

ponkan 面白い英和辞典 shows ads; ルート数学 高校数学/中学数学/受験数学/定期テスト does not.

### Which is updated more often, ルート数学 高校数学/中学数学/受験数学/定期テスト or ponkan 面白い英和辞典?

ルート数学 高校数学/中学数学/受験数学/定期テスト ships an update every 4 days, and ponkan 面白い英和辞典 daily. Most recently, ルート数学 高校数学/中学数学/受験数学/定期テスト was updated on October 25, 2026 and ponkan 面白い英和辞典 on October 24, 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.*