Koala is the ultimate pocket-sized sampler. Record anything with your phone's mic or load your own sounds. Use Koala to create beats with those samples, add effects and create a track!
Koala’s super intuitive interface helps you make a tracks in a flash, there is no brake pedal. You can also resample the output of the app back into the input, through the effects, so the sonic possibilities are endless.
Koala's design focuses totally on making the music making progress instant, keeping you in the flow and keeping it fun, not getting bogged down by pages of parameters and micro-editing.
"Been putting that $4 koala sampler to good use lately. Undeniably great tool that puts some of these expensive beat boxes to shame. A must cop." -- flying lotus, twitter
* Record up to 64 different samples with your mic * Transform your voice or any other sound with 16 superb built-in fx * Resample the output of the app back into a new sample * Export loops or entire tracks as professional quality WAV files * Copy/paste or merge sequences just by dragging them * Create beats with the high-resolution sequencer * Import your own samples * Use AI to separate samples into individual instruments (drums, bass, vocals and other) * Keyboard mode lets you play chromatically or one of 9 scales * Quantize, add swing to get the right feel * Normal/One-shot/Loop/Reverse playback of samples * Attack, release and tone adjustable on each sample * Mute/Solo controls * Note repeat * Add any (or all) of the 16 effects to the entire mix * MIDI controllable - play your samples on a keyboard
NOTE: If you’re having trouble with microphone input please turn off "OpenSL" in Koala's audio settings.
8 Built-in Microphone FX: * More Bass * More Treble * Fuzz * Robot * Reverb * Octave up * Octave down * Synthesizer
Features included in SAMURAI In-App Purchase * Pro-quality Timestretch (4 modes: Modern, Retro, Beats and Re-pitch) * Piano roll editor * Auto-chop (auto, equal, and lazy chop) * Pocket operator sync out
Updated on
Aug 7, 2025
Music & Audio
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Ratings and reviews
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4.6
2.29K reviews
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Roger van Hout
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December 7, 2024
I was in need of a fancy metronome for playing flamenco and koala sampler (with the samurai addon) is the solution 😁. I can choose 12 beats per bar, set a 'chance' value for unlimited playback variations, and set the velocity for accents. Just import some free cajon and palmas samples and eat your heart out. The interface is very easy to get around. No tiny menus or buttons. Some things are difficult to find, so I recommend to really watch all the tutorials.
6 people found this review helpful
Dom?!?
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July 23, 2025
absolutely amazing! I've been using it for about 2 weeks and it's really really fun to make music with. you have to get kinda creative with your workflow, but the software is very powerful. the only thing I would like to see is a better pitch shifter, like one with an lfo, or even better, the ability to pitch shift in the sequencing tab. also it would be cool if you made a setting that allows you to play a sample all the way through and program pitch shifts through the sequencer.
13 people found this review helpful
Matt Matt
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July 19, 2025
I have been using this sampler for a year now and I cannot recommend this enough to people. But I have noticed whenever I connect to a midi via Bluetooth through a third party app (My device cannot read it when I attempt to connect to the device) it works fine for about 5-6 clicks before it just stops reading the input of the drum pad all around. I just wrote this down because I am curious as to why this has been happening since I first started using the drum pad. Still looking for assistance.