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Compa: Groovebox Companion

Compa: Groovebox Companion

Sample, chop, sequence & DJ

7 ratings
4 reviews
🔧 Utilities
🎵 Music
$39.99
In-App Purchases

Details

Released
September 9, 2026
Updated
October 7, 2026

Features

Developer

Jordan Mcdonald
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iphone
ipad
🧾$9.99 - $29.99
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About

This app enhances your hardware groovebox workflow by providing sample manipulation, pattern creation, and synchronization tools. It offers device-specific controls and integrates with various music production hardware and software.

✓Sample capture and manipulation
✓Pattern creation and editing
✓Hardware device profiles
✓MIDI and Ableton Link synchronization
✓AUv3 plugin hosting
✓Clip and Arrange modes for song structure
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What's New in Compa

1.4.3

October 7, 2026

This update improves RD303 playability and fixes recording and playback workflows in Arrange: • RD303 responds more smoothly to MIDI keyboards and mapped knobs, with more responsive scopes when hardware is connected. • New LEGATO / RETRIGGER switch above RD303’s keyboard. Choose fresh attacks on every key or overlapping-note slides. Your choice is saved with the instrument and can be MIDI-mapped. • After recording in Arrange, Stop returns to the beginning of the new take so you can audition it immediately. • The bottom Play button plays the arrangement when Arrange is open, including when the app opens directly to that view. • Record during loop playback and finish at the correct loop boundary. • See live waveforms on every track when recording multiple inputs. • Keep guide tracks intact while recording another part, with Undo for audio recording passes. • Keep the song-position display aligned with loop playback. Thanks for the reports and retests. For help, contact support@getquota.app or post in the COMPA Discord.

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Subscriptions & In-App Purchases

$9.99

Kit Export

Export kits to your MPC, Ableton and Koala.

User reviews

Most RecentHighest RatedLowest Rated

A must have app if you use hardware

This app is a must have if you use any groove box with your setup. It is very flexible and is a joy to work with. If you have a SP404mk2 and use an iPad to make music you will want to make this your hub for your writing and performance, even just for fun sound design sessions.

I started using it with other synths and drum machines as an AUM replacement since it does what that app does plus much more.

The dev is wicked responsive and has been making improvements regularly since I picked this up. I can’t really explain all the reasons I recommend this in a review. Look it up on YouTube if you’re having doubts.
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PPeteg12

Response from developer

Thanks, Peteg12! I'm glad COMPA is bringing your SP-404MKII, synths and drum machines together, and that you're enjoying it for writing, performance and sound design. I really appreciate the kind words about support and the recommendation. Feedback from people using COMPA in their own setups helps shape the updates. Thanks for making music with it! — Jordan

A great app for building a hybrid Groovebox/ AU setup.

Compa is definitely a 1 stop shop for all your Groovebox / iPad connection needs. It’s like AUM on steroids. Great for routing audio and midi and has some neat sequencing options and Ableton style clips and arrangement options built in. There’s a lot under the hood to explore with this app. Highly recommended.
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JJumperCollins

Response from developer

Thank you, JumperCollins. You really dug into what COMPA is designed for: keeping the groovebox at the center while bringing audio and MIDI routing, sequencing, Clips, and Arrange together around it. I genuinely appreciate the thoughtful review and recommendation.

Open

Does not open songs saved in iCloud, I don’t save songs on the phone directly it would take up space.
MMikeGenius

Response from developer

Hi MikeGenius, following up now that COMPA 1.4 is available! That update addressed iCloud file-opening issues: COMPA now waits for a selected supported file to download before importing, with progress, clearer errors and clearer file-versus-folder selection. Please update to the latest version (1.4.3) and give it another try. Your originals can stay in iCloud; COMPA still needs a local working copy of the audio you import for playback and editing. If your file still won't open, email support@getquota.app with the file type, the COMPA screen you used and any error shown, and I'll help investigate. Thanks for flagging this — I'd love to hear how it goes. — Jordan

A-1 app

My mini pc died but with this I made a dope living room setup with my Sonicware megasynth groove box. Programmer even made a custom sega genesis skin plus others to customize the app for your tastes and set up. So many features too. Rare Data hates subscription models. They are one of us. I’d recommend for what the app says, a screen companion to your groove box.
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J9J.R. 97vibe

Response from developer

Thank you! That Sonicware Mega Synthesis living room setup is exactly the kind of setup COMPA was built to support. I’m glad the skins and deeper features are useful, and I really appreciate the shout-out for the no-subscription model. Enjoy the setup.

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FAQ

What is Compa used for?

Compa is a musical companion designed to enhance your hardware groovebox workflow on iPhone and iPad. It allows you to sample, sequence, sync, and play music, offering device-specific controls and integration with various music production tools.

What hardware devices are supported by Compa?

Compa supports a range of devices including Roland SP-404MKII, P-6, T-8, S-1, J-6 and E-4; Teenage Engineering EP-133 K.O. II, EP-40 RIDDIM and EP-136 K.O. Sidekick; Akai MPC Sample; and Ableton Move. Specific tools available depend on the connected device.

Can Compa be used to record and edit samples?

Yes, Compa features a CHOMP function that allows you to record onto pads or import sounds. You can then trim, chop, tune, reverse, sequence, and perform these samples. Threshold recording is also available for capturing incoming audio.

Does Compa support Ableton Link for synchronization?

Yes, Compa supports Ableton Link sessions, allowing you to share tempo and transport controls. It can also send MIDI clock and transport to supported hardware, and Link Audio can share mixes or individual sources between compatible devices.

What are the pricing details for Compa?

Compa is a paid application priced at $24.99. There are no in-app purchases or subscription models mentioned for this application.

Is Compa available on Android devices?

Based on the provided information, Compa is designed for iPhone and iPad. There is no mention of Android compatibility.

How often is Compa updated?

The latest version of Compa is 1.2, which was last updated on September 11, 2026. While specific update frequency isn't detailed, this indicates active development.

Does Compa have ads?

No, Compa does not contain advertisements. It is a paid application and is ad-free.