# AR趣味百科 vs 海豚英语

The clearest difference is iOS requirement: AR趣味百科 at 11.0 against 海豚英语's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AR趣味百科 sells 1 one-off in-app purchase and 海豚英语 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AR趣味百科 ships an update fortnightly, 海豚英语 weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AR趣味百科 | 海豚英语 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 374 MB | 65 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京天域北斗图书有限公司](https://appshunter.io/developer/1465064938) | [武汉巧语网络科技有限公司](https://appshunter.io/developer/1896549049) |

## What reviewers say

### AR趣味百科

[App page](https://appshunter.io/ios/app/ar/id1660187193)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁所有功能 | Free | one-time |


### 海豚英语

[App page](https://appshunter.io/ios/app/id6768199389)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月卡 | $0.99 | one-time |
| 一年会员 | $2.99 | one-time |
| 三年会员 | $4.99 | one-time |
| 六年会员 | $9.99 | one-time |
| 年度会员 | $14.99 | one-time |
| 十年会员 | $29.99 | one-time |


## Frequently asked questions

### Is AR趣味百科 free?

AR趣味百科 is free to download, with in-app purchases available.

### Is 海豚英语 free?

海豚英语 is free to download, with in-app purchases available.

### Do AR趣味百科 or 海豚英语 have ads?

Neither AR趣味百科 nor 海豚英语 shows ads.

### Which is updated more often, AR趣味百科 or 海豚英语?

AR趣味百科 ships an update fortnightly, and 海豚英语 weekly. Most recently, AR趣味百科 was updated on November 8, 2026 and 海豚英语 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.*