Best RK alternatives: apps like RK-601

9+ similar apps compared and reviewed

4.3 avg rating
1 free apps
Updated November 2026

Looking for something like RK? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to RK

4.6(33 ratings)
$8.99
NLogSynth PRO screenshot 1
NLogSynth PRO screenshot 2
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NLogSynth PRO screenshot 5

This app is a professional virtual analog synthesizer for iOS, offering a low-latency sound engine with extensive editing capabilities. It supports various inter-app audio and MIDI protocols, allowing for integration with DAWs and external controllers. Create and export custom sounds and recordings with studio-quality audio.

microTERA#2

microTERA by Harry Gohs

Waveshaping Synthesizer
Strong Contender
🎵 Music
4.9(9 ratings)
$1.99
microTERA screenshot 1
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Explore unique sonic textures with this waveshaping synthesizer. Generate novel sound patches randomly or program them with detailed controls. Includes a variety of built-in effects and advanced sequencing capabilities.

4.6(17 ratings)
$7.99
Vatanator screenshot 1
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This app is a drum machine designed for simple and instant rhythm creation. It offers advanced MIDI functionality, 140 vintage hardware emulations, and real-time pattern recording with quantization. It supports various audio integration technologies and allows for sample import and song arrangement.

More apps like RK

4
BPM Counter - PTB
BPM Counter - PTB
BPM Counter - PTB
by Jan Philipp Joseph Bednorz
Free
🎵 Music
(0)
5
TfxReverb
TfxReverb
TfxReverb
TimeFX Reverb
$4.99

This audio plugin generates digital reverb effects using a unique algorithm. It offers simple operation with an auto-size mode that adjusts parameters with a single dial, and features delay lines inspired by vintage bucket brigade devices for creative pitch-shifting.

AudioUnit Extension pluginBBD-inspired delay linesAdjustable input filters
🎵 Music
(8)
paid
6
auGEN X
auGEN X
auGEN X
Expressive AudioGenerator AUv3
$9.99

This app generates a wide variety of audio signals for both creative sound design and precise audio system testing. It features a versatile oscillator, noise generator, and impulse generator, functioning as a standalone app or an AUv3 Audio Unit Extension.

Full-featured audio oscillator with 4 wave shapesHigh-quality noise generator (white and pink)Impulse generator for reverb testing
🎵 Music
(12)
paid
7
CC PAL
CC PAL
CC PAL
MIDI CC Controller
$1.99

This app allows users to create and control up to 16 customizable MIDI CC sliders. Record and loop slider movements or manually adjust CC values. It's designed to send MIDI messages to external hardware or software synthesizers.

Create up to 16 customizable CC slidersRecord and loop slider movementsCustomize MIDI channel, CC number, color, and name per slider
🎵 Music
(11)
paid
8
Tau DJ v1i
Tau DJ v1i
Tau DJ v1i
Your boutique DJ system.
$39.99

A sophisticated DJ system offering a boutique experience with advanced technology. It provides essential DJ features like multi-deck support, master tempo, waveforms, MIDI, and DVS.

2 or 4 decksMaster tempoWaveforms
🎵 Music
(4)
paid
9
SpringSound
SpringSound
SpringSound
SoundDesign/EaganMatrix Remote
$2.99

This app is a physical-modeling audio synthesizer that simulates sound through the interaction of springs, masses, and activators. It offers detailed control over various physical parameters and comes with a large library of presets. It can be used as a sound generator or effect, and supports MIDI and expressive controllers.

Physical modeling sound synthesisDetailed control of physical parametersLarge set of sound presets
🎵 Music
(19)
paid