# RED FPS vs StochasticGrain

The clearest difference is in-app purchases: RED FPS at none against StochasticGrain's 2. RED FPS also leads on update cadence (every 2 months vs every 7 months) and iOS requirement (9.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. StochasticGrain sells 2 one-off in-app purchases. RED FPS asks for nothing beyond the download.

RED FPS ships an update every 2 months, StochasticGrain every 7 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | RED FPS | StochasticGrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/red-fps/id1195950325/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kristopher Prygrocki](https://appshunter.io/developer/824447689) | [Islam Seisembay](https://appshunter.io/developer/1505964950) |

## 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, Vision Pro support

**In-app purchases:** none


### StochasticGrain

[App page](https://appshunter.io/ios/app/stochasticgrain/id6755109222)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Large Coffee | $2.99 | one-time |


## Frequently asked questions

### Is RED FPS free?

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

### Is StochasticGrain free?

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

### Do RED FPS or StochasticGrain have ads?

Neither RED FPS nor StochasticGrain shows ads.

### Which is updated more often, RED FPS or StochasticGrain?

RED FPS ships an update every 2 months, and StochasticGrain every 7 months. Most recently, RED FPS was updated on November 2, 2026 and StochasticGrain on November 8, 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.*