Is PitchVis safe?

PitchVis listens to your microphone and turns the musical pitches it hears into a colorful, real-time visualization. Under the hood it runs a Variable-Q Transform (VQT) over the live audio signal, which gives high frequency resolution in the low registers where music lives, then detects the prominent pitches and maps each one to a color. The result is an animated picture of the harmony, melody an…

Developer: Felix Monninger
Category: Multimedia
Earliest archived version: 31 Jul 2026
License: MIT (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

31 Jul 2026

1.30

New: PitchVis can now analyze the audio your phone is playing instead of the microphone. Turn on "System Audio" in the debug screen (tap the visualization to open it) and confirm Android's capture prompt. Audio only — no screen content is captured and nothing leaves the device. Playback has to be…

Full notes →

03 / Package identity

Technical fingerprint

Application IDorg.p1graph.pitchvis

Latest APK SHA-256e18e30286b31a23a121a50ab08e98489ec9cf7c0bb5a6f0260571af21563aa00

Signing certificate0B:C6:A6:26:4F:97:DD:09:FE:46:61:6D:AA:0A:EA:8A:6B:AB:01:3F:12:CF:C4:BC:CD:A5:4C:C5:B5:4C:1A:05

MIN ANDROID28TARGET36ARCHITECTUREarm64-v8a

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

1.3031 Jul 202628+arm64-v8a→

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

Permissions5 declared · 1 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessRECORD_AUDIO

Declared permissions

android.permission.FOREGROUND_SERVICE android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION android.permission.POST_NOTIFICATIONS android.permission.RECORD_AUDIO org.p1graph.pitchvis.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↗