# SecNote vs Stable Diffusion

The clearest difference is update cadence: Stable Diffusion at fortnightly against SecNote's every 5 weeks. Stable Diffusion also leads on iOS requirement (16.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SecNote sells 1 in-app purchase, starting at $4.99 per month and Stable Diffusion sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SecNote ships an update every 5 weeks, Stable Diffusion fortnightly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SecNote | Stable Diffusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (41 ratings)](https://appshunter.io/ios/app/stable-diffusion-artrix/id6753811473/reviews)** |
| Number of ratings | — | **41** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 4 MB | 106 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jose Aguilar](https://appshunter.io/developer/1820136236) | [RapidNova](https://appshunter.io/developer/1826052446) |

## What reviewers say

### SecNote

[App page](https://appshunter.io/ios/app/secnote/id6747166161)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecNote Premium | $4.99 | per month |


### 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 SecNote free?

SecNote 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 SecNote or Stable Diffusion have ads?

Neither SecNote nor Stable Diffusion shows ads.

### Which is updated more often, SecNote or Stable Diffusion?

SecNote ships an update every 5 weeks, and Stable Diffusion fortnightly. Most recently, SecNote was updated on September 30, 2026 and Stable Diffusion on October 1, 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.*