EF lab.

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Apps: 3

Total installs: 283

Latest release: May 25, 2026

How this developer operates

Carrier title K-pop Vibe holds 90% 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 ~63 days on average
Maintenance 2 of 3 apps updated in the last 90 days · last update 77 days ago

App	Style	Rating	Installs	Released
K-pop Vibe	Entertainment	—	100+	Jan 20, 2026
BullCalc: Stock DCA Calculator	Finance	—	10+	May 25, 2026
PurePomo: Pomodoro Timer	Productivity	—	5+	May 10, 2026