sir Sampleton 4+

80s sampling keyboard w/ MIDI

Paul Slocum

    • 3.5 • 43 Ratings
    • $0.99



"surprisingly powerful" - Wall Street Journal
used by DJ/producer Zedd! // supports Audiobus, MIDI, iOS13

Sir Sampleton is a sampling musical keyboard inspired by Casio and Yamaha samplers from the 80s. The app allows you to record sounds through the microphone and then play them on dual piano keyboards accompanied by a rhythm machine. You'll be surprised at the lush, complex musical sounds that can be created with samples of your voice, musical instruments, and other noises. Samples can be looped, customized, saved, and emailed, and we offer free samples for download on our website.

Supports Audiobus, Inter-app Audio, CoreMIDI, MIDI Mobilizer 1 and 2. Works as a virtual instrument for apps like Cubasis, Beatmaker 2, and Genome sequencer. Capable of sampling other apps and effects through Audiobus.

Sampleton applies a subtle stereo effects process to the audio giving it a fuller, warmer sound that you'd typically get from sampling a monaural microphone.

If you like my apps please leave ratings or reviews! For support email

• Sample from the microphone and immediately play your sounds on dual keyboards
• Save and email sample packs to friends, or to yourself for backup/transfer
• Download free samples from our website
• Built-in beats and computer beat generator
• Adjust tuning, release, vibrato, sample time, and much more
• Record, add effects, and sample from other apps (requires Audiobus app)
• Put a different sample on each keyboard in dual-sample mode
• Multitouch with 18 voices for rich sound
• Automatic smart microphone level adjustment
• Supports all CoreMIDI devices, Line6 MIDI Mobilizer 1 and 2
• Virtual MIDI for compatibility with Cubasis, Beatmaker 2, and Genome
• Multichannel MIDI mode places different samples on each MIDI channel, up to 24 samples
• Supports iRig external audio input adapter and iRig microphone
• Low latency
• Coming soon: Audio copy/paste, additional sample banks, and more!


TO SAMPLE: press the red button and speak into the microphone. It will sample for about 3 seconds.

TO PLAY A DRUM BEAT: press the drum icon button in the upper left to open the Rhythm Menu, and then select the beat you want to play. To change the tempo or beat volume, use the buttons on the right. Press the X to return to the keyboard.

TO GENERATE A RANDOM BEAT: press the drum icon button to open the Rhythm Menu, and then press the RANDOM button. To generate a new random beat, press the button again.

TO SAVE A SAMPLE: press the keyboard icon button in the upper left to open the Sounds Menu. Press SAVE and then choose one of the flashing numbered buttons. Your sample is then saved on that button. Press the X to return to the keyboard.

TO LOAD A SAMPLE: press the keyboard icon button in the upper left to open the Sounds Menu. Press the numbered button where you saved the sample. Press the X to return to the keyboard.

TO PREVIEW A SAVED SAMPLE: press and hold the numbered button in the Sounds Menu.

TO SAVE CHANGES TO A SAMPLE'S SOUND SETTINGS: press and hold the 'save' button in the Sounds Menu.

What’s New

Version 3.3.8

Fixed issue with importing samples in iOS 13

Ratings and Reviews

3.5 out of 5
43 Ratings

43 Ratings

Jermjermy ,

Noise problem

Getting a distorted sound when I try to record myself. Worked fine on my phone until a couple years ago. The new update helped a little but not much. Willing to up the stars in exchange for a fix. Thanks in advance, Paul!

Developer Response ,

The issue should be fixed in the latest update. Sorry for the delay, but it was not possible to reproduce the issue on any of my devices or on Apple's iOS simulators.

SuperDuper01 ,

Screen lock issue

I want to love this app, but for some reason most of the time when I open the app the screen is rotated incorrectly, and the graphics are squished and lining up to where the buttons are mapped on the screen. When it works it’s awesome, but most of the time it is not working for me despite the settings on my iPad. It requires a full restart of the iPad every time for the screen to reset.

I’m on an iPad Air, 5th gen

Cintobot ,

No compatibility with GarageBand?

This Would be a useful, powerful and simple sampler if it was compatible with garage band. Unfortunately there is no option to switch back and forth between the to apps like other sampling apps rendering recoding impossible and making this nothing more than a waste of a dollar. If you fix it it'll earn 5 stars.

App Privacy

The developer, Paul Slocum, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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