# 天天背单词游戏 英语离线词典 vs 誰是臥底

The clearest difference is in-app purchases: 天天背单词游戏 英语离线词典 at none against 誰是臥底's 1. 天天背单词游戏 英语离线词典 also leads on iOS requirement (8.0 vs 15.0). 誰是臥底's advantage is device support. On price there is nothing between them.

Both are free to download. 誰是臥底 sells 1 in-app purchase, starting at $0.99 per month. 天天背单词游戏 英语离线词典 asks for nothing beyond the download.

## The numbers

| Metric | 天天背单词游戏 英语离线词典 | 誰是臥底 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 months |
| Size | 32 MB | 22 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [涛 陈](https://appshunter.io/developer/1509220765) | [LiangYu Ko](https://appshunter.io/developer/1758015388) |

## What reviewers say

### 天天背单词游戏 英语离线词典

[App page](https://appshunter.io/ios/app/id1383100761)

**In-app purchases:** none


### 誰是臥底

[App page](https://appshunter.io/ios/app/id6553973564)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 找出臥底 Pro | $0.99 | per month |


## Frequently asked questions

### Is 天天背单词游戏 英语离线词典 free?

天天背单词游戏 英语离线词典 is free to download, with no in-app purchases.

### Is 誰是臥底 free?

誰是臥底 is free to download, with in-app purchases available.

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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.*