# 魔性背单词 vs 鳄鱼爸爸

The clearest difference is in-app purchases: 鳄鱼爸爸 at none against 魔性背单词's 3. 魔性背单词's advantage is update cadence (every 3 days vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 魔性背单词 sells 3 in-app purchases, starting at $1.99 per month. 鳄鱼爸爸 asks for nothing beyond the download.

魔性背单词 ships an update every 3 days, 鳄鱼爸爸 every 6 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 魔性背单词 | 鳄鱼爸爸 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Size | 20 MB | 755 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [佳奇 陈](https://appshunter.io/developer/1795367862) | [成都魔能创新信息技术有限公司](https://appshunter.io/developer/6773285652) |

## What reviewers say

### 魔性背单词

[App page](https://appshunter.io/ios/app/10/id6741951419)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 魔性背单词月度会员 | $1.99 | per month |
| 魔性背单词季度会员 | $5.99 | per 3 months |
| 魔性背单词年度会员 | $14.99 | per year |


### 鳄鱼爸爸

[App page](https://appshunter.io/ios/app/id6773285650)

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

**In-app purchases:** none


## Frequently asked questions

### Is 魔性背单词 free?

魔性背单词 is free to download, with in-app purchases available.

### Is 鳄鱼爸爸 free?

鳄鱼爸爸 is free to download, with no in-app purchases.

### Do 魔性背单词 or 鳄鱼爸爸 have ads?

Neither 魔性背单词 nor 鳄鱼爸爸 shows ads.

### Which is updated more often, 魔性背单词 or 鳄鱼爸爸?

魔性背单词 ships an update every 3 days, and 鳄鱼爸爸 every 6 days. Most recently, 魔性背单词 was updated on October 28, 2026 and 鳄鱼爸爸 on October 31, 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.*