Is Tuner safe?

Tuner app for tuning musical instruments with features like: Detect pitch based on autocorrelation and FFT spectrum. Accuracy improvement by evaluating the spectrum phase information and polynomial fitting. Show how pitch changes over time. Basic instrument database (chromatic, guitar, bass, violin, …) Support for custom instruments Several temperaments like equal, just, Werckmeister, Kirnberger,…

Developer: Michael Moessner
Category: Music Practice Tool
First release: 03 Apr 2026
License: Not documented

02 / Package identity

Technical fingerprint

Application IDde.moekadu.tuner

Latest APK SHA-25612b8edb37a708ca7136deb66f6354704b232deb63fc1a191a122e2cfb77ab11a

Signing certificateD1:AC:7F:2F:F8:9E:6D:C1:A1:04:9D:6E:EA:22:ED:A0:5A:0D:91:DC:4C:97:3C:D6:B5:D7:C6:98:D9:5A:9B:02

MIN ANDROID23TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

03 / History

Project timeline

03 Apr 2026

Package observed in source index

Metadata and versions observed from the fdroid repository index.

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

9.1.103 Apr 202623+arm64-v8a, armeabi-v7a, x86, x86_64→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions2 declared · 1 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessRECORD_AUDIO

Declared permissions

android.permission.RECORD_AUDIO de.moekadu.tuner.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗