Some warnings 2 things we found but could not confirm. Nothing confirmed. Checked: 35 reviews and the Android app’s code.
From our automated analysis, 31 Oct 2026. Every label links to its evidence in the full report below.
This analysis describes version 2.19.40 of the app (the version number recorded inside the package we inspected), analyzed 2026-10-31 .
The store currently lists version 2.19.40, updated 2025-10-30.
Store screenshots supplied by the developer.
Now, this is over! With this fun app, you will learn the basics of reading music - drumming and drum notation, while playing a rhythm tap game. In this adventure, you get introduced to the crazy and happy music notes named Rhythmiacs, who live in a village full of rhythmic challenges!
You will improve your reading and rhythm skills step-by-step by tapping on a virtual percussion instrument or by making your high scores with real-time feedback! Turn on the microphone in the app and improve your rhythm skills with a real music instrument - a drum, tambourine, or drumsticks. You can even clap along!
No need to hang in front of your screen for hours! We recommend playing with the worldwide awarded app for 10-15 minutes weekly.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
Specific evidence of a useful property, within the stated scope.
No advertising or mediation SDK among the 1 SDK detected in the package
No advertising or mediation SDK of any kind was found in the package.
Package artefact
Appworthy
sha256:9b92e3f107ecf920c91e7c716faaacc223f2c9f9d48476fd31ede60d964ad682Open observations that have not cleared the evidence bar.
Ships a purchase screen ("Dialogs/Unlock Full Version Dialog") with no dismiss, skip or "continue free" text anywhere in the package
This observation has not cleared the required evidence standard.
A paywall screen ships with no dismiss, skip or 'maybe later' affordance anywhere in the package, so the app's own text offers no way in without paying.
Package artefact
sha256:9b92e3f107ecf920c91e7c716faaacc223f2c9f9d48476fd31ede60d964ad682Sells a subscription in-app but ships no cancel or manage-subscription text of its own, leaving the store's settings as the only exit
This observation has not cleared the required evidence standard.
Cancelling the subscription is blocked, hidden, multi-step, or simply does not take effect.
Package artefact
sha256:9b92e3f107ecf920c91e7c716faaacc223f2c9f9d48476fd31ede60d964ad682Nothing was published as a thing to watch for in this assessment. That is not a finding that nothing is wrong with the app.
No review-based observation is published in this assessment. That does not establish that reviewers had no problems.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
Android package 2.19.40, scanned 30 Oct 2026. These describe that package, not the current store version.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
This analysis describes version 2.19.40 of the app (the version number recorded inside the package we inspected), analyzed 2026-10-31 .
The store currently lists version 2.19.40, updated 2025-10-30.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
We fixed the bug that was preventing the full version from loading correctly. We apologize for the inconvenience.
No release notes were provided for this version.
learn-musicAssessed 2026-10-31 from 35 user reviews and the app's package.
What the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
From the store listing. Billing terms are read from each purchase’s name — the stores don’t publish them — so treat them as a strong hint, not a disclosure.
These are really on sale; we just can’t tell from the name whether they recur.
This assessment is produced automatically. Four independent signals are read — user reviews, SDKs in the app package, the app's own on-screen text and the app manifest — and each candidate finding is filed under the sources that support it.
No charge stands on one kind of evidence — with one published exception. A finding is either a measured fact that anyone can reproduce (an ad SDK is in the package; every recurring plan the store lists is named as weekly, the term read from the purchase names, with a list cut off at the store’s 10-item maximum not assessed; the privacy label omits a tracker we can see), or it is an interpretation — and an interpretation needs independent sources to agree before it reaches the catch list. The exception is a harm only users can see: a charge may publish from reviews alone, as “Reported by N users”, once enough reviewers raise it to clear that charge’s own published bar. That agreement rule is what replaced the human reviewer, not a model’s confidence.
There is no overall score, on purpose. A 0–99 number was published here until 2026-09-15. It was withdrawn because it discriminated too weakly to be the instrument — 44.7% of every pair of apps tied — and because a single number is a verdict where a count is an observation. What publishes instead is a row of measurements, each of which says what was counted and, where we could not look, says that instead.
Findings under One source only are real reports we do not stand behind as findings. They are shown because withholding them entirely would hide a genuine complaint, and labelled because publishing them as charges would be an accusation off a single source.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.