# Suredelle vs HD DIFFUSION

Suredelle and HD DIFFUSION 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.

Suredelle ships an update every 24 months, HD DIFFUSION every 27 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | Suredelle | HD DIFFUSION |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 27 months |
| Size | 64 MB | 65 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUREDELLE](https://appshunter.io/developer/1562839438) | [HD DIFFUSION](https://appshunter.io/developer/1569843650) |

## What reviewers say

### Suredelle

[App page](https://appshunter.io/ios/app/suredelle/id1562839436)

**Features:** macOS Compatibility

**In-app purchases:** none


### HD DIFFUSION

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Suredelle free?

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

### Is HD DIFFUSION free?

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

### Do Suredelle or HD DIFFUSION have ads?

Neither Suredelle nor HD DIFFUSION shows ads.

### Which is updated more often, Suredelle or HD DIFFUSION?

Suredelle ships an update every 24 months, and HD DIFFUSION every 27 months. Most recently, Suredelle was updated on October 16, 2026 and HD DIFFUSION on October 16, 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.*