Q4U Mobile Apps

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Apps: 5

Total installs: 46M

Avg rating: ★ 2.32

Ratings: 710K

Latest release: Aug 20, 2026

How this developer operates

Carrier title Automatic Call Recorder ACR holds 100% of the developer's installs — a one-app developer
Hit rate 20% of launches reach 100k installs (1 of 5 at least 30 days old)
Release rhythm a new app every ~1.8 years on average
Maintenance 2 of 5 apps updated in the last 90 days · last update 14 days ago

All apps

App	Style	Rating	Installs	Released
Automatic Call Recorder ACR	Tools	★ 3.4	10,000,000+	Jun 12, 2019
Calendar 2026: Daily Planner	Productivity	—	10,000+	May 24, 2024
Software Update - App Updater	Tools	—	10,000+	Aug 20, 2026
AI Job Search - Resume Maker	Business	—	1,000+	May 22, 2026
Automatic Call Recorder PRO	Tools	★ 1.2	1,000+	Dec 29, 2025