# RED FPS vs IzRise

The clearest difference is in-app purchases: RED FPS at none against IzRise's 3. RED FPS also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. IzRise sells 3 in-app purchases, starting at $3.49 per month. RED FPS asks for nothing beyond the download.

RED FPS ships an update every 2 months, IzRise every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RED FPS | IzRise |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 44 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kristopher Prygrocki](https://appshunter.io/developer/824447689) | [jacek kaluzny](https://appshunter.io/developer/1437107104) |

## 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


### IzRise

[App page](https://appshunter.io/ios/app/izrise/id1636567880)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly subscription | $3.49 | per month |
| yearly subscription | $34.99 | per year |
| 200 photos | $0.99 | one-time |


## Frequently asked questions

### Is RED FPS free?

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

### Is IzRise free?

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

### Do RED FPS or IzRise have ads?

IzRise shows ads; RED FPS does not.

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

RED FPS ships an update every 2 months, and IzRise every 5 weeks. Most recently, RED FPS was updated on November 2, 2026 and IzRise on November 3, 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.*