Joe Gruff

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Apps: 3

Total installs: 1K

Latest release: Oct 29, 2026

How this developer operates

Carrier title Page2Play: Piano Practice Scan holds 96% of the developer's installs — a one-app developer
Hit rate 0% of launches reach 100k installs (0 of 2 at least 30 days old)
Release rhythm a new app every ~64 days on average
Maintenance 3 of 3 apps updated in the last 90 days · last update 8 days ago · updates every ~26 days

App	Style	Rating	Installs	Released
Page2Play: Piano Practice Scan	Music & Audio	—	500+	Jun 22, 2026
Note2Data: Handwriting to Text	Productivity	—	10+	Jul 8, 2026
Kamishi: Visual Novel Maker NEW	Art & Design	—	10+	Oct 28, 2026