# Pitchmaster vs RK

The clearest difference is review sentiment: RK at 67% against Pitchmaster's 13%. RK also leads on price (Free vs $0.99) and rating (5.0 vs 1.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

RK is free to download; Pitchmaster costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RK holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: RK has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 13% of Pitchmaster's written reviews are positive against 67% of RK's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on August 31, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | Pitchmaster | RK |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pitchmaster/id322847867/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/rk-006/id1516602717/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | 12.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 32 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Geilich](https://appshunter.io/developer/1501113002) | [Gerrit Dijkstra](https://appshunter.io/developer/437476213) |

## What reviewers say

### Pitchmaster

[App page](https://appshunter.io/ios/app/pitchmaster/id322847867)

This music practice app offers a precise chromatic tuner, metronome, and tone generator. It features advanced signal analysis and supports various tuning systems and waveforms for all instruments and voices.

**Highlights:** Precise chromatic tuner, Metronome with customizable time signatures, Tone generator with multiple waveforms, Drone mode for intonation practice, Advanced signal analysis, Support for Equal Temperament and Just Intonation

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pitchmaster free?

Pitchmaster costs $0.99, with no in-app purchases.

### Is RK free?

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

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

RK is rated higher. Pitchmaster averages 1.0 out of 5 from 1 ratings, while RK averages 5.0 from 9 ratings.

### Do Pitchmaster or RK have ads?

Neither Pitchmaster nor RK shows ads.

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

Pitchmaster ships an update every 5 months, and RK every 5 months. Most recently, Pitchmaster was updated on August 31, 2026 and RK on July 31, 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.*