# Kessler kOS vs RED control pro

The clearest difference is review sentiment: RED control pro at 75% against Kessler kOS's 0%. RED control pro also leads on rating (4.2 vs 3.0) and update cadence (every 2 weeks vs every 3 months). Kessler kOS's advantage is price (Free vs $499.99). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Kessler kOS is free to download; RED control pro costs $499.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RED control pro holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 0% of Kessler kOS's written reviews are positive against 75% of RED control pro's.

Kessler kOS ships an update every 3 months, RED control pro every 2 weeks. The most recent releases landed on July 18, 2026 and July 29, 2026 respectively.

## The numbers

| Metric | Kessler kOS | RED control pro |
| --- | --- | --- |
| Price | **Free** | $499.99 |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/kessler-kos/id1128523711/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/red-control-pro/id1600653443/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 38 MB | 67 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kessler Crane Inc.](https://appshunter.io/developer/529307950) | [RED Digital Cinema](https://appshunter.io/developer/632147766) |

## What reviewers say

### Kessler kOS

[App page](https://appshunter.io/ios/app/kessler-kos/id1128523711)

This advanced software provides precise wireless control for professional camera motion systems. It enables users to create complex, repeatable camera movements for various video and photography applications through an intuitive interface.

**Highlights:** Ultra-refined keyframe control, Wireless iPad control, Timelapse and stop motion modes, Complex keyframe movement, Editable keyframes, Repeatable camera moves, Event mode for live scenarios

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

**In-app purchases:** none


### RED control pro

[App page](https://appshunter.io/ios/app/red-control-pro/id1600653443)

This application provides advanced control for select RED cinema cameras, enabling multi-camera setups and live stream monitoring. It offers features like FTP access, LUT management, and independent image orientation, with a redesigned interface for larger screens and macOS compatibility.

**Highlights:** Advanced control for V-RAPTOR and KOMODO cameras, Multi-camera array management, Live stream monitoring, FTP file access, Advanced LUT, CDL, and PRESET management, Independent image orientation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kessler kOS free?

Kessler kOS is free to download, with no in-app purchases.

### Is RED control pro free?

RED control pro costs $499.99, with no in-app purchases.

### Which has better reviews, Kessler kOS or RED control pro?

RED control pro is rated higher. Kessler kOS averages 3.0 out of 5 from 3 ratings, while RED control pro averages 4.2 from 5 ratings.

### Do Kessler kOS or RED control pro have ads?

Neither Kessler kOS nor RED control pro shows ads.

### Which is updated more often, Kessler kOS or RED control pro?

Kessler kOS ships an update every 3 months, and RED control pro every 2 weeks. Most recently, Kessler kOS was updated on July 18, 2026 and RED control pro on July 29, 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.*