# J博士 vs 轻投Pro

The clearest difference is device support: J博士 at 3 against 轻投Pro's —. J博士 also leads on iOS requirement (10 vs 12.0). 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 | J博士 | 轻投Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 54 MB | 33 MB |
| Requires iOS | **10** | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [北京安信立融科技股份有限公司](https://appshunter.io/developer/1227679025) | [北京飒思软件有限公司](https://appshunter.io/developer/1192152007) |

## What reviewers say

### J博士

[App page](https://appshunter.io/ios/app/j/id1227679026)

**In-app purchases:** none


### 轻投Pro

[App page](https://appshunter.io/ios/app/pro/id6446012982)

**In-app purchases:** none


## Frequently asked questions

### Is J博士 free?

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

### Is 轻投Pro free?

轻投Pro 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.*