# HD DIFFUSION vs Star Paris

HD DIFFUSION and Star Paris are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

HD DIFFUSION ships an update every 27 months, Star Paris every 26 months. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | HD DIFFUSION | Star Paris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 26 months** |
| Size | 65 MB | 65 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HD DIFFUSION](https://appshunter.io/developer/1569843650) | [BKH Diffusion](https://appshunter.io/developer/1590335474) |

## What reviewers say

### HD DIFFUSION

[App page](https://appshunter.io/ios/app/hd-diffusion/id1569843648)

**Features:** macOS Compatibility

**In-app purchases:** none


### Star Paris

[App page](https://appshunter.io/ios/app/star-paris/id1590335472)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HD DIFFUSION free?

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

### Is Star Paris free?

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

### Do HD DIFFUSION or Star Paris have ads?

Neither HD DIFFUSION nor Star Paris shows ads.

### Which is updated more often, HD DIFFUSION or Star Paris?

HD DIFFUSION ships an update every 27 months, and Star Paris every 26 months. Most recently, HD DIFFUSION was updated on October 16, 2026 and Star Paris on October 19, 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.*