# 小橙AI vs 单词岛

The clearest difference is in-app purchases: 小橙AI at none against 单词岛's 5. 小橙AI also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 单词岛 sells 5 in-app purchases, starting at $4.99 per month. 小橙AI asks for nothing beyond the download.

小橙AI ships an update weekly, 单词岛 every 5 days. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 小橙AI | 单词岛 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 161 MB | 104 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杭州数橙科技有限公司](https://appshunter.io/developer/1240025661) | [Wuhan Yuhang Technology Co., Ltd](https://appshunter.io/developer/1795152947) |

## What reviewers say

### 小橙AI

[App page](https://appshunter.io/ios/app/ai/id6771214612)

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

**In-app purchases:** none


### 单词岛

[App page](https://appshunter.io/ios/app/id6819610219)

This app makes learning English vocabulary fun and effective through engaging games. It offers a rich library of words for all learning stages and allows users to create custom word lists by taking photos of objects or textbook pages. Features like flashcards, spaced repetition, and pronunciation practice aid in long-term memorization.

**Highlights:** Vocabulary matching games, Extensive word libraries by learning stage, Photo-based word recognition, Customizable word lists, Spaced repetition system, Pronunciation and dictation practice, Progress tracking and achievements

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度VIP | $4.99 | per month |
| 季度VIP | $7.99 | per 3 months |
| 2个月VIP | $7.99 | per 2 months |
| 年度VIP | $9.99 | per year |
| 趣背单词终身会员 | $19.99 | one-time |


## Frequently asked questions

### Is 小橙AI free?

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

### Is 单词岛 free?

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

### Do 小橙AI or 单词岛 have ads?

Neither 小橙AI nor 单词岛 shows ads.

### Which is updated more often, 小橙AI or 单词岛?

小橙AI ships an update weekly, and 单词岛 every 5 days. Most recently, 小橙AI was updated on October 31, 2026 and 单词岛 on October 26, 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.*