# TingFeiFei vs Sketch 3D Model for Viewer

The clearest difference is in-app purchases: TingFeiFei at none against Sketch 3D Model for Viewer's 3. TingFeiFei also leads on iOS requirement (13 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Sketch 3D Model for Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. TingFeiFei asks for nothing beyond the download.

## The numbers

| Metric | TingFeiFei | Sketch 3D Model for Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 54 MB | 59 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [广东汉泓医疗科技有限公司](https://appshunter.io/developer/1696914316) | [Fredika Chintya](https://appshunter.io/developer/6812610066) |

## What reviewers say

### TingFeiFei

[App page](https://appshunter.io/ios/app/tingfeifei/id6475749786)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sketch 3D Model for Viewer

[App page](https://appshunter.io/ios/app/sketch-3d-model-for-viewer/id6812610064)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Sketch Pro for 3D model view | $4.99 | per 7 days |
| monthly subscriptions for sketch | $14.99 | per month |
| Yearly subscriptions for sketch 3D | $59.99 | per year |


## Frequently asked questions

### Is TingFeiFei free?

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

### Is Sketch 3D Model for Viewer free?

Sketch 3D Model for Viewer is free to download, with in-app purchases available.

### Do TingFeiFei or Sketch 3D Model for Viewer have ads?

Neither TingFeiFei nor Sketch 3D Model for 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.*