Design unique delay sounds by inserting various audio effects before, within, and after the delay loop. Explore a wide range of modules like panners, choruses, reverbs, and distortion to craft custom signal flows.



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Whether you want more options like KeyFinder+ or a completely different take on the same concept, our curated list of 6+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.





Design unique delay sounds by inserting various audio effects before, within, and after the delay loop. Explore a wide range of modules like panners, choruses, reverbs, and distortion to craft custom signal flows.






Explore all 12x7 diatonic scales interactively. This app displays and plays selected scales, offering various arrangements and views based on scale tones, fundamentals, brightness, or relationships. It allows for highlighting specific modes or freely selecting any scale.


This app functions as a MIDI controller, allowing users to play musical power chords by moving their iPhone and tapping the screen. It requires a separate synthesizer app to produce sound, offering a unique, choreography-like approach to music creation.


Learn and play popular piano songs on your phone or tablet with a virtual 88-key keyboard. Explore different instrument sounds and enjoy modes with lyrics.


This audio plugin creates a stereo effect by introducing a subtle delay to one audio channel. It offers precise control over the delay time and can be managed via MIDI. Ideal for enhancing mono audio sources with a wider soundstage.