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Pentatone

Pentatone

Arithmophone

13 ratings
3 reviews
📚 Education
🎵 Music
Free

Details

  • Released
  • Updated

Features

Developer

Chiel Zwinkels
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About

This music app offers a unique pentatonic keyboard and built-in synthesizer, inspired by instruments like the kora and mbira. It features a sophisticated scale selection system and is optimized for touchscreen devices, providing an expressive and easy-to-play musical experience.

✓Easy-to-play 'strummable' pentatonic keyboard
✓9 selectable pentatonic scales
✓Custom FM synthesizer engine
✓25 preset sounds with macro controls
✓Polyphonic touch and aftertouch response
✓AUv3 functionality for host apps
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What's New in Pentatone

1.1

July 13, 2026

- Waterfall keys: the keyboard is now 'strummable' so you can play multiple notes by sliding your finger across the keys - AUv3 functionality: Pentatone now works within host apps like GarageBand, Loopy Pro and Koala Sampler, so you can record its output as audio and/or midi.

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User reviews

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Fun,and educational

Aside from the fact that this is an usually fun app to just bang on, I’ve been using it to solidify the pentatonic scales this app uses on my main instrument. Crazy fun no matter what, and several of the patches sound incredible as a stand alone instrument. It kept me up late last night just creating ambient sounds. Make sure to engage the bend mode, by combining notes and bending one or the other, or both you can achieve some wild tonality. Nice job!
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BluesbopBluesbop

Response from developer

Thanks for all the kind words! Good to hear you're pushing the envelope on Pentatone :)

Wicked

I have been really loving playing with this. It’s been really creatively inspiring!
smyythesmyythe

Response from developer

Thank you very much! Great to hear I was able to provide some inspiration :)

Beautiful tones and fun

I have way more fun with this app than I ever would have expected. It's just a pleasure to tap progressions and combinations out. No planning or complexity. Just playing music for fun. I hope we see more like this app from the dev in the future.
mvanputtmvanputt

Response from developer

Thank you so much for your kind words, I'm glad you're having fun making music, that is the main intention behind this design :) More Arithmophonic music apps are definitely coming in the future!

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FAQ

What is Pentatone?

Pentatone is a music app featuring an easy-to-play pentatonic keyboard and a built-in synthesizer. It offers a unique approach to music creation optimized for touchscreens and inspired by traditional instruments.

What kind of scales does Pentatone offer?

Pentatone features an original pentatonic scale system with 9 selectable scales. These scales are available in both just intonation and standard tuning.

Can Pentatone be used with other music apps?

Yes, Pentatone supports AUv3 functionality, allowing it to be used within host apps like GarageBand, Koala Sampler, and Loopy Pro.

What kind of sounds can Pentatone produce?

Pentatone includes a custom synth engine with binaural 2x2 op FM synthesis, a resonant filter, delay, and reverb. It comes with 25 preset sounds and macro sliders for tone and ambience.

Is Pentatone suitable for beginners?

Users describe Pentatone as 'easy to play' and 'instantly musical,' suggesting it is accessible for beginners. The app is also planning a simplified version called PENTATONE JR. for young/beginning musicians.

What devices does Pentatone support?

Pentatone is available for iPhone, iPad, and iPod. It is designed with ergonomics optimized for touchscreen devices.

How often is Pentatone updated?

The app was last updated on July 13, 2026, indicating recent development activity. Future plans for the Arithmophone project, including new app versions, are also in the works.

Does Pentatone have ads?

No, Pentatone does not contain advertisements. It is a free application with no in-app purchases or ads.