Red Sulfur

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Apps: 3

Total installs: 121K

Avg rating: ★ 3.96

Ratings: 480

Latest release: Aug 20, 2026

How this developer operates

Carrier title Keep Score - Scoreboard holds 92% of the developer's installs — a one-app developer
Hit rate 33% of launches reach 100k installs (1 of 3 at least 30 days old)
Release rhythm a new app every ~7.4 years on average
Maintenance 1 of 3 apps updated in the last 90 days · last update 17 days ago · updates every ~13 days

App	Style	Rating	Installs	Released
Keep Score - Scoreboard	Tools	★ 4.4	100,000+	Oct 24, 2011
Keep Track Notebook	Productivity	★ 3.6	5,000+	Oct 18, 2012
Scratch. - Single Note Tasks	Productivity	—	10+	Aug 19, 2026