# ARStain vs Local AI Art Private Diffusion

The clearest difference is price: ARStain at Free against Local AI Art Private Diffusion's $6.99. ARStain also leads on iOS requirement (15.1 vs 17.0). Local AI Art Private Diffusion's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 36 months). On ads and device support there is nothing between them.

ARStain is free to download; Local AI Art Private Diffusion costs $6.99 up front. ARStain sells 1 one-off in-app purchase. Local AI Art Private Diffusion asks for nothing beyond the download.

ARStain ships an update every 36 months, Local AI Art Private Diffusion monthly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ARStain | Local AI Art Private Diffusion |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/local-ai-art-private-diffusion/id6529537093/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Monthly** |
| Monetization | — | Paid |
| Best chart rank | — | **#164** |
| Size | 85 MB | 1.1 GB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Olexandr Prodan](https://appshunter.io/developer/1530686746) | [昱旻 利](https://appshunter.io/developer/1756345174) |

## What reviewers say

### ARStain

[App page](https://appshunter.io/ios/app/arstain/id6468128526)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Birds | $0.99 | one-time |


### Local AI Art Private Diffusion

[App page](https://appshunter.io/ios/app/local-ai-art-private-diffusion/id6529537093)

**Currently charting:** #164 Top Paid · Graphics & Design (US App Store)

Generate AI art privately on your device without an internet connection. This app runs Stable Diffusion locally, ensuring your creations remain yours. Optimized for speed and compatibility, it offers unlimited image generation.

**Highlights:** Offline Stable Diffusion, Private image generation, No internet required, Unlimited image creation, Optimized for speed, Supports older devices

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

**In-app purchases:** none


## Frequently asked questions

### Is ARStain free?

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

### Is Local AI Art Private Diffusion free?

Local AI Art Private Diffusion costs $6.99, with no in-app purchases.

### Do ARStain or Local AI Art Private Diffusion have ads?

Neither ARStain nor Local AI Art Private Diffusion shows ads.

### Which is updated more often, ARStain or Local AI Art Private Diffusion?

ARStain ships an update every 36 months, and Local AI Art Private Diffusion monthly. Most recently, ARStain was updated on October 27, 2026 and Local AI Art Private Diffusion on October 29, 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.*