# Wren vs 余热宝

The clearest difference is device support: Wren at 2 against 余热宝's —. 余热宝's advantage is iOS requirement (12.0 vs 15.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Wren | 余热宝 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/wren/id1505368315/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 50 MB | 43 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Bird Master Technology (Shenzhen) Ltd.](https://appshunter.io/developer/1500555630) | [Druid Technology Co., Ltd.](https://appshunter.io/developer/1265085845) |

## What reviewers say

### Wren

[App page](https://appshunter.io/ios/app/wren/id1505368315)

Access a comprehensive global bird species catalog with over 11,000 bird recordings. Organize your recordings with personalized lists for easy management and enjoy offline playback anywhere.

**Highlights:** Global bird species catalog, 11,000+ bird recordings, Personalized recording lists, Offline caching and playback, Fast search functionality

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

**In-app purchases:** none


### 余热宝

[App page](https://appshunter.io/ios/app/id1564423821)

**In-app purchases:** none


## Frequently asked questions

### Is Wren free?

Wren is free to download, with no in-app purchases.

### Is 余热宝 free?

余热宝 is free to download, with no in-app purchases.

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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.*