Willey Piano

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Apps: 2

Total installs: 492K

Avg rating: ★ 3.91

Ratings: 843

Latest release: Aug 18, 2026

How this developer operates

Carrier title PianoMeter – Piano Tuner holds 100% of the developer's installs — a one-app developer
Hit rate 50% of launches reach 100k installs (1 of 2 at least 30 days old)
Release rhythm a new app every ~9.2 years on average
Maintenance 2 of 2 apps updated in the last 90 days · last update 19 days ago · updates every ~69 days

App	Style	Rating	Installs	Released
PianoMeter – Piano Tuner	Music & Audio	★ 3.9	100,000+	May 21, 2017
PianoAudit — Is it in Tune?	Music & Audio	—	50+	Aug 18, 2026