# 疯狂背单词 vs AI背单词

The clearest difference is in-app purchases: AI背单词 at none against 疯狂背单词's 13. AI背单词 also leads on ads (none vs shown). 疯狂背单词's advantage is update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 疯狂背单词 sells 12 in-app purchases, starting at $12.99 per year. AI背单词 asks for nothing beyond the download.

疯狂背单词 ships an update every 2 weeks, AI背单词 every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | 疯狂背单词 | AI背单词 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (419 ratings)](https://appshunter.io/ios/app/id1548407481/reviews)** | — |
| Number of ratings | **419** | — |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 10 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鲨鱼快游网络技术(北京)有限公司](https://appshunter.io/developer/1262329746) | [Chengdu Yuyue Tansuo Technology Co., Ltd.](https://appshunter.io/developer/1732674059) |

## What reviewers say

### 疯狂背单词

[App page](https://appshunter.io/ios/app/id1548407481)

This app helps you memorize vocabulary efficiently using the Ebbinghaus forgetting curve. It offers customizable word lists, personalized memory aids, and various practice modes to ensure long-term retention. Create your own notes and study materials for a tailored learning experience.

**Highlights:** Ebbinghaus forgetting curve memorization, Customizable word lists, Personalized memory aids (mnemonics, roots), Multiple practice modes (selection, spelling), Integrated word dictionary, Create custom notes and content, Covers various exam levels (CET-4, CET-6, postgraduate)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 疯狂背单词超级会员 | $12.99 | per year |
| 1金币 | $0.99 | one-time |
| 1000金币 | $0.99 | one-time |
| 1个月VIP | $6.99 | one-time |
| 12个月VIP | $12.99 | one-time |
| 12个月VIP | $14.99 | one-time |
| 永久会员 | $14.99 | one-time |
| 两年VIP | $14.99 | one-time |
| 三年会员 | $14.99 | one-time |
| 终身拼读会员 | $14.99 | one-time |
| 三年VIP | $17.99 | one-time |
| 3个月VIP | $19.99 | one-time |


### AI背单词

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 疯狂背单词 free?

疯狂背单词 is free to download, with in-app purchases available.

### Is AI背单词 free?

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

### Do 疯狂背单词 or AI背单词 have ads?

疯狂背单词 shows ads; AI背单词 does not.

### Which is updated more often, 疯狂背单词 or AI背单词?

疯狂背单词 ships an update every 2 weeks, and AI背单词 every 2 months. Most recently, 疯狂背单词 was updated on October 27, 2026 and AI背单词 on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*