# 小狐生物实验室 vs PDB Viewer

The clearest difference is in-app purchases: 小狐生物实验室 at none against PDB Viewer's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDB Viewer sells 1 one-off in-app purchase. 小狐生物实验室 asks for nothing beyond the download.

## The numbers

| Metric | 小狐生物实验室 | PDB Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宁 王](https://appshunter.io/developer/431513082) | [Qvyshift LLC](https://appshunter.io/developer/1536442361) |

## What reviewers say

### 小狐生物实验室

[App page](https://appshunter.io/ios/app/id6772693470)

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

**In-app purchases:** none


### PDB Viewer

[App page](https://appshunter.io/ios/app/pdb-viewer-3d-molecules/id6777468488)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDB Viewer Pro | $9.99 | one-time |


## Frequently asked questions

### Is 小狐生物实验室 free?

小狐生物实验室 is free to download, with no in-app purchases.

### Is PDB Viewer free?

PDB Viewer is free to download, with in-app purchases available.

### Do 小狐生物实验室 or PDB Viewer have ads?

Neither 小狐生物实验室 nor PDB Viewer shows ads.

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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.*