Keith Gulbro

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Apps: 3

Total installs: 16K

Avg rating: ★ 3.16

Ratings: 75

Latest release: Aug 16, 2026

How this developer operates

Carrier title Tools for Old School Runescape holds 100% of the developer's installs — a one-app developer
Hit rate 0% of launches reach 100k installs (0 of 3 at least 30 days old)
Release rhythm a new app every ~3.6 years on average
Maintenance 3 of 3 apps updated in the last 90 days · last update 4 days ago · updates every ~13 days

App	Style	Rating	Installs	Released
Tools for Old School Runescape	Tools	★ 3.2	10,000+	May 21, 2019
MN Fair Guide	Travel & Local	—	10+	Aug 8, 2026
Bankroll: Blackjack Practice	Education	—	10+	Aug 15, 2026