# 単語帳アプリ TANGO vs カメ単 AI英単語帳

The clearest difference is review sentiment: 単語帳アプリ TANGO at 67% against カメ単 AI英単語帳's 50%. 単語帳アプリ TANGO also leads on update cadence (every 3 days vs weekly) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 単語帳アプリ TANGO sells 4 in-app purchases, starting at $4.49 per month and カメ単 AI英単語帳 sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

単語帳アプリ TANGO ships an update every 3 days, カメ単 AI英単語帳 weekly. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 単語帳アプリ TANGO | カメ単 AI英単語帳 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/ai-toeic/id6739556572/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 103 MB | 36 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AppCast Inc. (Tokyo)](https://appshunter.io/developer/1578826635) | [HIROAKI HOSAKA](https://appshunter.io/developer/1769916994) |

## What reviewers say

### 単語帳アプリ TANGO

[App page](https://appshunter.io/ios/app/tango/id1644662794)

Create and study vocabulary lists easily with this app. Share your lists with friends or use ones created by others. Features include text-to-speech, shuffle mode, and progress tracking.

**Highlights:** Create vocabulary lists, Import lists from CSV, Share lists with friends, Text-to-speech pronunciation, Shuffle study mode, Track learning progress, Retest incorrect answers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| tangoプレミアム - 1ヶ月プラン | $4.49 | per month |
| tangoプレミアム - 3ヶ月プラン | $10.49 | per 3 months |
| tangoプレミアム - 6ヶ月プラン | $19.49 | per 6 months |
| tangoプレミアム - 12ヶ月プラン | $34.99 | per year |


### カメ単 AI英単語帳

[App page](https://appshunter.io/ios/app/ai-toeic/id6739556572)

Effortlessly build your own vocabulary lists by inputting English or Japanese words. The app automatically generates definitions, usage examples, etymologies, and quizzes to aid memorization and learning. Capture new expressions from articles, movies, and conversations on the go.

**Highlights:** Input in English or Japanese, AI-generated definitions and examples, Create custom vocabulary lists, AI-generated quizzes for review, Quickly add words from any source, Track vocabulary growth

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |


## Frequently asked questions

### Is 単語帳アプリ TANGO free?

単語帳アプリ TANGO is free to download, with in-app purchases available.

### Is カメ単 AI英単語帳 free?

カメ単 AI英単語帳 is free to download, with in-app purchases available.

### Do 単語帳アプリ TANGO or カメ単 AI英単語帳 have ads?

Both 単語帳アプリ TANGO and カメ単 AI英単語帳 show ads.

### Which is updated more often, 単語帳アプリ TANGO or カメ単 AI英単語帳?

単語帳アプリ TANGO ships an update every 3 days, and カメ単 AI英単語帳 weekly. Most recently, 単語帳アプリ TANGO was updated on August 14, 2026 and カメ単 AI英単語帳 on September 10, 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.*