# Happy Diet vs VDC Studio

The clearest difference is in-app purchases: Happy Diet at none against VDC Studio's 1. Happy Diet also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. VDC Studio sells 1 in-app purchase, starting at $299.99 per year. Happy Diet asks for nothing beyond the download.

Happy Diet ships an update every 2 months, VDC Studio every 5 weeks. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Happy Diet | VDC Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vdc-studio/id6741440610/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 73 MB | 69 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zumbat Hub srl](https://appshunter.io/developer/1358104949) | [VDC Studio srls](https://appshunter.io/developer/1794199868) |

## What reviewers say

### Happy Diet

[App page](https://appshunter.io/ios/app/happy-diet/id6446139436)

**Features:** macOS Compatibility

**In-app purchases:** none


### VDC Studio

[App page](https://appshunter.io/ios/app/vdc-studio/id6741440610)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VDC Annuale - iOS | $299.99 | per year |


## Frequently asked questions

### Is Happy Diet free?

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

### Is VDC Studio free?

VDC Studio is free to download, with in-app purchases available.

### Do Happy Diet or VDC Studio have ads?

Neither Happy Diet nor VDC Studio shows ads.

### Which is updated more often, Happy Diet or VDC Studio?

Happy Diet ships an update every 2 months, and VDC Studio every 5 weeks. Most recently, Happy Diet was updated on October 19, 2026 and VDC Studio on October 22, 2026.

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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.*