KoEn

How this developer operates

• Carrier title Tutor — create a test holds 88% 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 ~3.0 years on average
• Maintenance 1 of 2 apps updated in the last 90 days · last update 14 days ago · updates every ~20 days

All apps

App	Style	Rating	Installs	Released
Tutor — create a test	Education	—	5,000+	Apr 10, 2026
GosExam	Education	—	500+	Apr 13, 2023