PianoMeter – Piano Tuner

Installs

388.6k

Rating

3.0

Rating count

< 1k

Category	Music & Audio
Developer	WILLEY PIANO LLC
Price	Free
First release	6/7/2017 (8 years ago)
Version	4.0.0
In-app purchases	No
Contains ads	No
Content rating	PEGI 3
Package name	com.willeypianotuning.toneanalyzer

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
7/29/2025	699	3.000	388,612	4.0.0
7/28/2025	699	3.000	388,612	4.0.0
7/27/2025	698	3.000	388,459	4.0.0
7/26/2025	698	3.000	388,299	4.0.0
7/25/2025	698	3.000	388,176	4.0.0
7/24/2025	698	3.000	387,877	4.0.0
7/23/2025	698	3.000	387,752	4.0.0
7/22/2025	698	3.000	387,615	4.0.0
7/21/2025	697	3.000	387,482	4.0.0
7/20/2025	697	4.077	387,351	4.0.0
7/19/2025	697	4.077	387,351	4.0.0
7/18/2025	697	4.077	387,086	4.0.0
7/17/2025	696	4.077	387,086	4.0.0
7/16/2025	696	4.909	386,940	4.0.0
7/15/2025	696	4.909	386,632	4.0.0
7/14/2025	696	4.077	386,480	4.0.0
7/13/2025	696	4.077	386,359	4.0.0
7/12/2025	696	4.077	386,079	4.0.0
7/11/2025	696	4.077	385,948	4.0.0
7/10/2025	696	4.909	385,817	4.0.0
7/9/2025	695	4.909	385,513	4.0.0
7/8/2025	695	4.909	385,513	4.0.0
7/7/2025	696	4.909	385,408	4.0.0
7/6/2025	695	4.909	385,223	4.0.0
7/5/2025	694	4.909	384,892	4.0.0
7/4/2025	694	4.077	384,892	4.0.0
7/3/2025	693	4.077	384,745	4.0.0
7/2/2025	693	4.077	384,566	4.0.0
7/1/2025	692	4.077	384,301	4.0.0
6/30/2025	692	4.077	384,301	4.0.0
6/29/2025	692	4.077	384,162	4.0.0
6/28/2025	692	4.077	383,992	4.0.0
6/27/2025	692	3.870	383,856	4.0.0
6/26/2025	691	4.077	383,623	4.0.0
6/25/2025	691	4.077	383,623	4.0.0
6/24/2025	691	4.077	383,382	4.0.0
6/23/2025	690	4.077	383,232	4.0.0
6/22/2025	690	2.833	383,134	4.0.0
6/21/2025	690	3.870	382,990	4.0.0
6/20/2025	690	3.870	382,990	4.0.0
6/19/2025	689	3.870	382,866	4.0.0
6/18/2025	689	4.909	382,760	4.0.0
6/17/2025	688	4.909	382,650	4.0.0
6/16/2025	687	4.909	382,542	4.0.0
6/15/2025	686	4.909	382,383	4.0.0
6/14/2025	686	4.909	382,103	4.0.0
6/13/2025	686	4.909	382,103	4.0.0
6/12/2025	686	3.920	381,864	4.0.0
6/9/2025	686	4.471	381,864	4.0.0
6/8/2025	684	3.273	381,412	4.0.0
5/29/2025	683	3.444	381,263	N/A
5/28/2025	682	4.909	379,990	N/A
5/27/2025	682	4.909	379,921	N/A
5/24/2025	682	4.909	379,511	N/A
5/22/2025	682	4.040	379,175	N/A
5/21/2025	682	3.273	378,767	N/A
5/20/2025	682	3.273	378,682	N/A
5/19/2025	682	3.273	378,682	N/A
4/28/2025	677	4.115	375,606	N/A
4/24/2025	677	4.909	375,469	N/A
4/22/2025	677	3.818	374,728	N/A
4/15/2025	677	3.818	374,005	N/A
4/10/2025	676	2.833	373,567	N/A
4/6/2025	675	4.000	372,718	N/A
4/5/2025	674	3.840	372,301	N/A
3/10/2025	671	3.840	372,048	N/A
2/27/2025	662	3.842	367,796	N/A
2/25/2025	661	3.870	366,702	N/A
2/24/2025	659	3.891	366,615	N/A

Details

PianoMeter is a piano tuning app that will transform your Android device into a professional quality electronic tuning aid. 

NOTE 
The "free" version of this app is primarily for evaluation, and it only allows you to tune notes on the piano between C3 and C5. To tune the entire piano you will need to buy an upgrade through an in-app purchase.  

What makes PianoMeter unique
Unlike regular chromatic tuning apps that simply tune to a pre-calculated equal temperament, this app actively measures the tonal characteristics of each note and automatically calculates the ideal “stretch” or offset from equal temperament. In other words, it creates a custom tuning for your piano with the best compromise between intervals like fifths, fourths, octaves, and twelfths, the way aural piano tuners do when fine-tuning.

Functionality and pricing
There are three levels of functionality: a free (evaluation) version, a paid "plus" version with basic tuning functionality, and a "professional" version with features geared towards professional piano tuners. The extra functionality is unlocked through one-time in-app purchases.  

The Free version includes the following functionality: 
   •   Tuning functionality for the mid-range of the piano only
   •   Automatic note detection
   •   Ability to measure each note on the piano to see how its current tuning compares to the ideal tuning curve (see if a piano is roughly in tune)
   •   Swipe in the graphing area to show a live frequency spectrum or the inharmonicity of measured notes.

Upgrading to "Plus" adds the following functionality: 
   •   Tuning functionality for the entire piano
   •   Tune to frequency standards other than A=440
   •   Tune to historical or custom temperaments
   •   Calibrate device to an external frequency source

Upgrading to Professional unlocks all features of the "Plus" version, plus the following:
   •   Save and load tuning files, so a piano doesn't need to be re-measured each time it is tuned
   •   Pitch raise mode that calculates overpull for an initial first pass "rough" tuning (for pianos that are extremely flat)
   •   Custom tuning styles: create a custom tuning curve by adjusting interval weighting and stretch
   •   Access to all future features and enhancements 

Upgrade costs: 
Free to Plus (approximately US$30)
Free to Pro (approximately US$350)
Plus to Pro (approximately US$320)

Note about permissions
This app requires permission to access the microphone on your device and permission to read and write files.

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