# AI背单词 vs 多多记单词

The clearest difference is in-app purchases: AI背单词 at none against 多多记单词's 5. AI背单词 also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 多多记单词 sells 5 one-off in-app purchases. AI背单词 asks for nothing beyond the download.

AI背单词 ships an update every 2 months, 多多记单词 every 4 months. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AI背单词 | 多多记单词 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 10 MB | 1 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Yuyue Tansuo Technology Co., Ltd.](https://appshunter.io/developer/1732674059) | [Jin Xiao Chen](https://appshunter.io/developer/843778220) |

## What reviewers say

### AI背单词

[App page](https://appshunter.io/ios/app/ai/id6478390098)

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

**In-app purchases:** none


### 多多记单词

[App page](https://appshunter.io/ios/app/id6742063156)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Monthly Plan​ | $4.99 | one-time |
| Coach Monthly Plan​ | $9.99 | one-time |
| Personal Annual Plan​ | $29.99 | one-time |
| Coach Annual Plan​ | $59.99 | one-time |
| ​Institutional Annual Plan​ | $299.99 | one-time |


## Frequently asked questions

### Is AI背单词 free?

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

### Is 多多记单词 free?

多多记单词 is free to download, with in-app purchases available.

### Do AI背单词 or 多多记单词 have ads?

Neither AI背单词 nor 多多记单词 shows ads.

### Which is updated more often, AI背单词 or 多多记单词?

AI背单词 ships an update every 2 months, and 多多记单词 every 4 months. Most recently, AI背单词 was updated on November 8, 2026 and 多多记单词 on November 4, 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.*