COLNN

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Apps: 3

Total installs: 214K

Avg rating: ★ 3.53

Ratings: 1.5K

Latest release: Oct 7, 2026

How this developer operates

Carrier title COLNN holds 100% 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 ~3.5 years on average
Maintenance 2 of 3 apps updated in the last 90 days · last update 33 days ago

App	Style	Rating	Installs	Released
COLNN	Education	★ 3.5	100,000+	Oct 8, 2019
EZEROLL	Education	—	5+	Aug 10, 2026
Ezeroll Employee	Education	—	0+	Oct 7, 2026