Appworthy

Retro Keys: Piano, Wurl, Rhds

CP Electric Grand, AUv3 + LOFI

AudioKit Pro
Download on theApp Store
App Store rating5.0★205 ratings
Price$7.99Listed price
Age4+Store age rating
Size157 MBiPhone download
CategoryLifestyle
DeveloperAudioKit Pro

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

  • $7.99 to download.

Not yet tested.

The store currently lists version 1.3.2, updated 2026-07-08.

Preview

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

Store screenshots supplied by the developer.

About this app

RETRO KEYS: 4 VINTAGE KEYBOARDS IN ONE

Warm, soulful keyboard sounds with real tape character.

RETRO KEYS gives you four classic instruments in one app:

RHDS STAGE 73, WURL ’78, CP Electric Grand, and RETRO PIANO.

Recorded to analog tape by a GRAMMY-nominated engineer.

Then blended with physical modeling for a responsive, inspiring feel.

From polished to dusty and worn-in, these sounds are full of vibe.

You get rich vintage tone without the giant download.

The full app is only around 150 MB! (For all 200+ Presets & 4 Instruments Total)

Perfect for Lo-Fi, Indie, Worship, Hip Hop, Rock, Cinematic, Soul, Pop, Jazz, Ambient Textures, and Singer-Songwriter production.

Premium App: One time purchase. No ads, subscriptions, or in-app purchases, Everything Included!

"This thing is Incredible!" - Jade Starr

“Blown Away! Incredible quality.…

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
90% or more 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 1.3.2 · 2026-07-08
THANKS EVERYONE! • IMPROVED: World Scales work better. The following scales were fine-tuned by experts: Chinese (Pentatonic), Çargâh, Hicaz Ascending (Turkish), Hicaz Descending (Turkish), Huseyni (Modern / Arabic), Hüseyni Ascending (Turkish), Hüzzam, Karcıǧar, Nikriz Ascending, Rast Ascending v1, Rast Ascending v2, Rast Descending v2, Saba (Arabic), Şedaraban (Turkish), Sikah (Arabic), Segâh (Turkish), Suznak [Basit] (Arabic), Pahadi Raga • IMPROVED: LFO Timing • IMPROVED: Scala import • Plus, lots of other small fixes!

Assessment record

Status
Not yet tested
App identifier
retro-keys
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
4.95 ★ · 205 ratings
Version
1.3.2
Updated
8 Jul 2026
Price
$7.99
Age rating
4+
Size
157 MB
Open in App Store
Developer
AudioKit Pro
Category
Lifestyle
Listing price
$7.99

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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