# Comfy Portal vs Stable Diffusion

The clearest difference is rating: Stable Diffusion at 4.4 against Comfy Portal's 3.8. Stable Diffusion also leads on update cadence (fortnightly vs every 2 months). Comfy Portal's advantage is in-app purchases (none vs 2). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Stable Diffusion sells 2 in-app purchases, starting at $6.99 per 7 days. Comfy Portal asks for nothing beyond the download.

Stable Diffusion holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 18 and 41 respectively. Written reviews complicate that: 67% of Comfy Portal's written reviews are positive against 60% of Stable Diffusion's, so the app with the better star average is not the one people write more warmly about.

Comfy Portal ships an update every 2 months, Stable Diffusion fortnightly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Comfy Portal | Stable Diffusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (18 ratings)](https://appshunter.io/ios/app/comfy-portal/id6741044736/reviews) | **[4.4 (41 ratings)](https://appshunter.io/ios/app/stable-diffusion-artrix/id6753811473/reviews)** |
| Number of ratings | 18 | **41** |
| Positive reviews | **66.7% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 44 MB | 106 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Chengdu Lianyue Commerce And Trade Co., Ltd.](https://appshunter.io/developer/1620928428) | [RapidNova](https://appshunter.io/developer/1826052446) |

## What reviewers say

### Comfy Portal

[App page](https://appshunter.io/ios/app/comfy-portal/id6741044736)

Control your AI image generation server from your mobile device. Connect to local or cloud-based ComfyUI instances to manage parameters, select models, and monitor generations remotely. View and save your creations directly on your phone.

**Highlights:** Connect to multiple ComfyUI servers, Control generation parameters remotely, Select and switch between AI models, Monitor server status in real-time, View and save generated images, Mobile-optimized touch interface

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

**In-app purchases:** none


### Stable Diffusion

[App page](https://appshunter.io/ios/app/stable-diffusion-artrix/id6753811473)

Transform your imagination into stunning artwork with advanced AI. Describe your vision or upload a reference image to generate unique art in seconds. Explore niche styles and create with precision control.

**Highlights:** Stable Diffusion Engine, Image-to-Image transformations, Niche art styles, Multiple aspect ratios, Community gallery, Fast processing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $6.99 | per 7 days |
| Yearly Premium Access | $39.99 | per year |


## Frequently asked questions

### Is Comfy Portal free?

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

### Is Stable Diffusion free?

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

### Which has better reviews, Comfy Portal or Stable Diffusion?

Stable Diffusion is rated higher. Comfy Portal averages 3.8 out of 5 from 18 ratings, while Stable Diffusion averages 4.4 from 41 ratings.

### Do Comfy Portal or Stable Diffusion have ads?

Neither Comfy Portal nor Stable Diffusion shows ads.

### Which is updated more often, Comfy Portal or Stable Diffusion?

Comfy Portal ships an update every 2 months, and Stable Diffusion fortnightly. Most recently, Comfy Portal was updated on October 7, 2026 and Stable 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.*