# Favorite vs アイ

The clearest difference is rating: アイ at 5.0 against Favorite's 4.0. アイ also leads on in-app purchases (none vs 3). Favorite's advantage is update cadence (every 6 days vs every 3 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Favorite sells 3 in-app purchases, starting at $9.99 per 7 days. アイ asks for nothing beyond the download.

アイ holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Favorite ships an update every 6 days, アイ every 3 weeks. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Favorite | アイ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/favorite-learn-languages/id6692610041/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/11/id6766015033/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 119 MB | 100 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Shinya Kinjo](https://appshunter.io/developer/1697811607) | [Ae 7 LLC](https://appshunter.io/developer/1896163219) |

## What reviewers say

### Favorite

[App page](https://appshunter.io/ios/app/favorite-learn-languages/id6692610041)

Transform your favorite YouTube videos into engaging language lessons. Practice listening with subtitles, get instant AI help with grammar and expressions, and study using content you genuinely enjoy.

**Highlights:** Subtitle-based listening practice, AI native speaker assistance, Add YouTube videos via URL, Multi-language support, Personalized learning content

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（週間） | $9.99 | per 7 days |
| プレミアム（年間） | $89.99 | per year |
| プレミアム（年間） | $119.99 | per year |


### アイ

[App page](https://appshunter.io/ios/app/11/id6766015033)

This app offers a gamified approach to English learning, featuring swipe-based quizzes for vocabulary, grammar, listening, and image recognition. It includes community features for asking questions and a ranking system to boost motivation. Aimed at making daily study engaging and sustainable.

**Highlights:** Swipe-based English quizzes, Vocabulary, grammar, listening, and photo questions, Community 'talk rooms' for questions, Weekly ranking for motivation, Daily learning streak tracking, Gamified learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Favorite free?

Favorite is free to download, with in-app purchases available.

### Is アイ free?

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

### Which has better reviews, Favorite or アイ?

アイ is rated higher. Favorite averages 4.0 out of 5 from 1 ratings, while アイ averages 5.0 from 1 ratings.

### Do Favorite or アイ have ads?

Both Favorite and アイ show ads.

### Which is updated more often, Favorite or アイ?

Favorite ships an update every 6 days, and アイ every 3 weeks. Most recently, Favorite was updated on October 13, 2026 and アイ on September 30, 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.*