Appworthy

Compa: Groovebox Companion

Sample, chop, sequence & DJ

Rare Data LLC
Download on theApp Store
App Store rating4.7★7 ratings
Price$29.99Listed price
Age17+Store age rating
Size132 MBiPhone download
CategoryLifestyle
DeveloperRare Data LLC

What we found

Full report

Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.

Money

  • $29.99 to download.

Not yet tested.

The store currently lists version 1.4.3, updated 2026-10-07.

Preview

Screenshot 1Screenshot 2Screenshot 3Screenshot 4Screenshot 5Screenshot 6Screenshot 7Screenshot 8

Store screenshots supplied by the developer.

About this app

COMPA is a sampling and performance studio for iPhone and iPad.

Record new sounds, turn dialogue into playable phrases, scratch your tracks and build a song. Use COMPA's instruments, including Raw Dog 303 (RD303), or connect compatible AUv3 apps, MIDI gear and audio interfaces. Hardware is optional.

SAMPLE APPS, THE WEB AND YOUR GEAR

Capture supported other-app audio on iOS/iPadOS 27, open a web player inside COMPA, or record hardware and hosted instruments. Send audio straight to CHOMP pads, Clips, Arrange, Takes or Quota DS. Hold for a quick sample or tap to record while you switch apps. Audition, keep sampling, and share web links into COMPA without copying and pasting addresses. Audio Recall saves recent audio when inspiration arrives before Record.

QUOTA DS: TURN WORDS INTO SAMPLES

Transcribe audio, search the transcript and highlight the words or phrases you want to play.…

From the developer’s store description.

For developers and the curious

The full report

The evidence, sources, measurements and versions behind every label above.

Findings and evidence

Not yet tested
Not yet tested. No analysis has been published for this app. A missing label is not a clean bill of health.

What reviewers report

No review coverage

No review analysis published for this app.

Measurements

3 measured · 5 not assessed

“Not assessed” means we could not measure it. It is never a zero and never a pass.

From store data and reviews

Developer replies to reviews
Not assessed
Fewer than 50 reviews scanned — too few to state a rate
Price in the store description
The store description doesn’t list prices (most don’t)
Cancelling, in the store description
The store description doesn’t say how to cancel (most don’t)
Themes reported by reviewers
Not assessed
This app's reviews have not been assessed yet
Five-star share of ratings
80–89% five-star
Arithmetic on the stores' own published rating counts. It says nothing about why the ratings fall where they do.

In the app package we scanned

No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.

Sensitive permissions
Not assessed
No package has been scanned for this app
Analytics or tracking SDKs in the scanned package
Not assessed
No package has been scanned for this app
Advertising SDKs in the scanned package
Not assessed
No package has been scanned for this app
How we know

Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured

Versions and dates analysed

Not yet tested

Not yet tested. No analysis has been run for this app, so there is no version or date to report.

Store update history

Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.

App Store

Version 1.4.3 · 2026-10-07
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…

Shortened here; the full notes are on the store listing.

Assessment record

Status
Not yet tested
App identifier
compa
Sources used
None recorded
Reviews read
None recorded
Package examined
No package scan
Human inspection
Not completed
How we know
Measurement vocabulary
1.4

Store facts

App Store

What the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.

App Store

Store rating
4.71 ★ · 7 ratings
Version
1.4.3
Updated
7 Oct 2026
Price
$29.99
Age rating
17+
Size
132 MB
Open in App Store
Developer
Rare Data LLC
Category
Lifestyle
Listing price
$29.99

No itemized purchase list is available for this listing.

Method and limits

What this report can and cannot show

What a missing label means

Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.

Limits of this report

  • A package scan is static. It identifies code and text in one Android build. It does not measure a live ad session, test a deletion request, or count the steps needed to cancel.
  • Reviews keep their sample. A review-only charge shows distinct reviewers, the share and the sample size, and is published only once it clears that label’s published threshold. Calibration labels are machine-drafted and not yet confirmed by a person.
  • Not assessed is a state. It is never a zero and never a pass.
  • A missing label is not a clean bill of health. It means the evidence did not support one, not that the app is problem-free.
Not yet human-reviewed. A human review gives an app hands-on, recorded measurements. None has been run for this app. Hands-on inspections are not yet open.
Review thresholds Read the methodology For developers

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