# 引物云 vs Gavin

引物云 and Gavin are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | 引物云 | Gavin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Update frequency | Every 2 months | — |
| Size | 32 MB | 27 MB |
| Requires iOS | 13.0 | **12.0** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Micro Nature Innovation Technology Co., Ltd.](https://appshunter.io/developer/1136132054) | [深圳市云守佳科技有限公司](https://appshunter.io/developer/1729039918) |

## What reviewers say

### 引物云

[App page](https://appshunter.io/ios/app/id6446393308)

**In-app purchases:** none


### Gavin

[App page](https://appshunter.io/ios/app/gavin/id6477339081)

**In-app purchases:** none


## Frequently asked questions

### Is 引物云 free?

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

### Is Gavin free?

Gavin 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.*