# カメ単 AI英単語帳 vs Inko

The clearest difference is rating: Inko at 5.0 against カメ単 AI英単語帳's 4.0. Inko also leads on in-app purchases (none vs 1) and update cadence (daily vs weekly). カメ単 AI英単語帳's advantage is iOS requirement (15.0 vs 17.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. カメ単 AI英単語帳 sells 1 in-app purchase, starting at $3.99 per month. Inko asks for nothing beyond the download.

Inko holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 50% of カメ単 AI英単語帳's written reviews are positive against 67% of Inko's.

カメ単 AI英単語帳 ships an update weekly, Inko daily. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | カメ単 AI英単語帳 | Inko |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/ai-toeic/id6739556572/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/inko-ai-language-learning/id6793942168/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 36 MB | 128 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIROAKI HOSAKA](https://appshunter.io/developer/1769916994) | [AlphaByte, Inc.](https://appshunter.io/developer/1655052816) |

## What reviewers say

### 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 |


### Inko

[App page](https://appshunter.io/ios/app/inko-ai-language-learning/id6793942168)

Practice speaking a new language with an AI for just 60 seconds daily. Receive personalized lesson notes comparing your speech to a native speaker's, and save new vocabulary to reinforce learning. Generate a review podcast from your lessons for on-the-go practice.

**Highlights:** Daily 60-second AI conversations, Personalized lesson notes, Native speaker comparisons, Vocabulary saving and flashcards, Review podcast generation, Supports 40+ languages

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is Inko free?

Inko is free to download, with no in-app purchases.

### Which has better reviews, カメ単 AI英単語帳 or Inko?

Inko is rated higher. カメ単 AI英単語帳 averages 4.0 out of 5 from 2 ratings, while Inko averages 5.0 from 6 ratings.

### Do カメ単 AI英単語帳 or Inko have ads?

Both カメ単 AI英単語帳 and Inko show ads.

### Which is updated more often, カメ単 AI英単語帳 or Inko?

カメ単 AI英単語帳 ships an update weekly, and Inko daily. Most recently, カメ単 AI英単語帳 was updated on October 9, 2026 and Inko on October 13, 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.*