# Prompt X vs Stable Diffusion

The clearest difference is rating: Prompt X at 5.0 against Stable Diffusion's 4.2. Prompt X also leads on in-app purchases (none vs 3). Stable Diffusion's advantage is ratings volume (53 vs 1) and update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stable Diffusion sells 3 in-app purchases, starting at $6.99 per 7 days. Prompt X asks for nothing beyond the download.

Prompt X holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Stable Diffusion has 53 ratings behind it against 1, so its average is the more settled of the two.

Prompt X ships an update monthly, Stable Diffusion every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Prompt X | Stable Diffusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prompt-x-copy-and-paste/id6753229624/reviews)** | [4.2 (53 ratings)](https://appshunter.io/ios/app/stable-diffusion-artrix/id6753811473/reviews) |
| Number of ratings | 1 | **53** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 151 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Tula Kumkrong](https://appshunter.io/developer/1185443187) | [RapidNova](https://appshunter.io/developer/1826052446) |

## What reviewers say

### Prompt X

[App page](https://appshunter.io/ios/app/prompt-x-copy-and-paste/id6753229624)

This app provides a curated collection of AI image generation prompts with accompanying reference images. Users can easily copy these prompts with a single tap to use with various AI tools, fostering creativity and idea exploration.

**Highlights:** Browse AI commands with sample images, Instantly copy commands, Free to use, Compatible with various AI tools, Constantly updated prompts

**Features:** macOS Compatibility

**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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $6.99 | per 7 days |
| Yearly Pro Access Promo | $24.99 | per year |
| Yearly Premium Access | $39.99 | per year |


## Frequently asked questions

### Is Prompt X free?

Prompt X 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, Prompt X or Stable Diffusion?

Prompt X is rated higher. Prompt X averages 5.0 out of 5 from 1 ratings, while Stable Diffusion averages 4.2 from 53 ratings.

### Do Prompt X or Stable Diffusion have ads?

Neither Prompt X nor Stable Diffusion shows ads.

### Which is updated more often, Prompt X or Stable Diffusion?

Prompt X ships an update monthly, and Stable Diffusion every 2 weeks. Most recently, Prompt X was updated on October 24, 2026 and Stable Diffusion on October 30, 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.*