# AI Image Generator vs Stable Diffusion

The clearest difference is update cadence: Stable Diffusion at weekly against AI Image Generator's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Image Generator sells 2 in-app purchases, starting at $8.99 per 7 days and Stable Diffusion sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Image Generator ships an update every 12 months, Stable Diffusion weekly. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AI Image Generator | Stable Diffusion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Size | 32 MB | 33 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Baris Can Ceylan](https://appshunter.io/developer/1638275086) | [Glayzer LLC](https://appshunter.io/developer/1775914442) |

## What reviewers say

### AI Image Generator

[App page](https://appshunter.io/ios/app/ai-image-generator-pixuron/id6751969535)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro (Popular) | $8.99 | per 7 days |
| Monthly Pro (%10 OFF) | $29.99 | per month |


### Stable Diffusion

[App page](https://appshunter.io/ios/app/stable-diffusion-ai-image-pro/id6796444073)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $7.99 | per 7 days |
| Monthly Pro Access | $19.99 | per month |
| Yearly Pro Access | $59.99 | per year |


## Frequently asked questions

### Is AI Image Generator free?

AI Image Generator is free to download, with in-app purchases available.

### Is Stable Diffusion free?

Stable Diffusion is free to download, with in-app purchases available.

### Do AI Image Generator or Stable Diffusion have ads?

Neither AI Image Generator nor Stable Diffusion shows ads.

### Which is updated more often, AI Image Generator or Stable Diffusion?

AI Image Generator ships an update every 12 months, and Stable Diffusion weekly. Most recently, AI Image Generator was updated on September 29, 2026 and Stable Diffusion on October 6, 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.*