# RK vs Jamcorder

RK and Jamcorder both sit at 5.0 stars, but that hides the real split: 100% of Jamcorder's written reviews are positive against 67% of RK's. Jamcorder also leads on update cadence (every 3 days vs every 5 months) and ratings volume (67 vs 9). RK's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for RK against 5.0 for Jamcorder. That said, the two scores are not equally well evidenced: Jamcorder has 67 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 67% of RK's written reviews are positive against 100% of Jamcorder's.

RK ships an update every 5 months, Jamcorder every 3 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RK | Jamcorder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/rk-006/id1516602717/reviews) | [5.0 (67 ratings)](https://appshunter.io/ios/app/jamcorder/id6486307109/reviews) |
| Number of ratings | 9 | **67** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 3 MB | 89 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gerrit Dijkstra](https://appshunter.io/developer/437476213) | [Jamcorder](https://appshunter.io/developer/1740715385) |

## What reviewers say

### RK

[App page](https://appshunter.io/ios/app/rk-006/id1516602717)

Manage your RK006 Master Hub with this app. Design and save configurations, set up presets for event filtering, clock processing, and output modes. Connect your iOS device to MIDI, CV/Gate, and control it from your DAW.

**Highlights:** RK006 Master Hub management, MIDI, CV/Gate control, Preset design and saving, Event filtering, Clock processing, Output mode configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### Jamcorder

[App page](https://appshunter.io/ios/app/jamcorder/id6486307109)

This app works with a physical device to automatically record everything you play on your digital piano. It offers years of storage, allowing you to track progress and build a personal archive of your music.

**Highlights:** Automatic play detection, Effortless recording, Over 25,000 hours of storage, Track practice progress, Build personal music archive, Share recordings

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

**In-app purchases:** none


## Frequently asked questions

### Is RK free?

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

### Is Jamcorder free?

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

### Which has better reviews, RK or Jamcorder?

RK and Jamcorder are both rated 5.0 out of 5 on the App Store, from 9 and 67 ratings respectively.

### Do RK or Jamcorder have ads?

Neither RK nor Jamcorder shows ads.

### Which is updated more often, RK or Jamcorder?

RK ships an update every 5 months, and Jamcorder every 3 days. Most recently, RK was updated on October 24, 2026 and Jamcorder on October 30, 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.*