# RED FPS vs Write Image AI

The clearest difference is in-app purchases: RED FPS at none against Write Image AI's 3. RED FPS also leads on ads (none vs shown) and iOS requirement (9.0 vs 12.0). Write Image AI's advantage is update cadence (every 3 days vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Write Image AI sells 3 in-app purchases, starting at $2.99 per 7 days. RED FPS asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RED FPS against 5.0 for Write Image AI. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

RED FPS ships an update every 2 months, Write Image AI every 3 days. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | RED FPS | Write Image AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/red-fps/id1195950325/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/write-image-ai/id6479555008/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 103 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kristopher Prygrocki](https://appshunter.io/developer/824447689) | [Metin Yakupoglu](https://appshunter.io/developer/1733803813) |

## What reviewers say

### RED FPS

[App page](https://appshunter.io/ios/app/red-fps/id1195950325)

Calculate the maximum achievable frame rates for various RED camera systems. This unofficial tool was developed with input from film industry professionals for quick and easy use.

**Highlights:** Frame rate calculations, Supports multiple RED camera models, Developed with industry professionals, Quick and easy to use, Unofficial app

**Features:** macOS Compatibility

**In-app purchases:** none


### Write Image AI

[App page](https://appshunter.io/ios/app/write-image-ai/id6479555008)

Transform text into stunning visuals with advanced AI. Explore diverse styles to create captivating images for social media, presentations, or artistic expression. Effortlessly bring your words to life visually.

**Highlights:** Text to image conversion, Advanced AI algorithms, Wide range of styles, Social media design, Presentation creation, Artistic expression

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is RED FPS free?

RED FPS is free to download, with no in-app purchases.

### Is Write Image AI free?

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

### Which has better reviews, RED FPS or Write Image AI?

RED FPS and Write Image AI are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do RED FPS or Write Image AI have ads?

Write Image AI shows ads; RED FPS does not.

### Which is updated more often, RED FPS or Write Image AI?

RED FPS ships an update every 2 months, and Write Image AI every 3 days. Most recently, RED FPS was updated on September 9, 2026 and Write Image AI on September 17, 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.*