All versions of PianoMeter – Piano Tuner

com.willeypianotuning.toneanalyzer · 3 versions

PianoMeter – Piano Tuner has 3 versions listed, going back to v3.4.2. Since v3.4.2 the APK grew from 9.4 MB to 19.9 MB.

Minimum Android version over time

Older versions are the way to go if your device runs an earlier Android release.

All 3 versions checked are signed with the same certificate (63:D7:C0:C9…, issued to “Jukka Rauhala”), so they can update one another.

Versions, newest first

v5.1.3 (137) LATEST
Uploaded Oct 3, 2026 19.9 MB Android 7.0+ TRUSTED
MD5 cfbd2a950229de4728a889709c3c8d4e
Download PianoMeter – Piano Tuner v5.1.3
What's new (as uploaded)
Bug fix affecting display on older devices
v5.0.1 (130)
Uploaded Apr 10, 2026 19.5 MB Android 7.0+ TRUSTED
MD5 00519e3cd9ff9802e5182f5322d44069
Download PianoMeter – Piano Tuner v5.0.1
What's new (as uploaded)
For Pro users: • New Adaptive Bass Stretch auto-adjusts bass interval weights by piano size. To turn off, set Adaptive Bass Stretch to zero in Style. • Interval weights rescaled (all styles migrated) • Bulk-apply any style to all tunings (long press) • New low stretch style (PTG/RPT exam) • New tonal energy color palettes • Inharmonicity weight factor now managed in tuning styles For all users: • Improvements to unequal temperament management and inharmonicity detection
v3.4.2 (115)
Uploaded Jan 8, 2026 9.4 MB Android 5.0+ TRUSTED
MD5 0cdd26dc75827d05f8591cf2dbb61467
Download PianoMeter – Piano Tuner v3.4.2
What's new (as uploaded)
Added control over which audio inputs to prefer (Menu > Other > Audio Input) Known bugs: On some devices you must "restart" the audio by exiting and re-opening the app after plugging in a new microphone. Not all Bluetooth headsets are supported. (We recommend not using Bluetooth microphones anyway.)