Oleksandr Yefymov

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Apps: 4

Total installs: 498K

Avg rating: ★ 3.91

Ratings: 5.2K

Latest release: Jan 2, 2026

How this developer operates

Carrier title УНебо - Повітряні тривоги holds 87% of the developer's installs — a one-app developer
Hit rate 25% of launches reach 100k installs (1 of 4 at least 30 days old)
Release rhythm a new app every ~1.2 years on average
Maintenance 3 of 4 apps updated in the last 90 days · last update 7 days ago · updates every ~59 days

All apps

App	Style	Rating	Installs	Released
УНебо - Повітряні тривоги	News & Magazines	★ 4.2	100,000+	Apr 25, 2022
SpeakUp AI - Text to Speech	Productivity	★ 3.6	10,000+	Jul 23, 2023
Budget Guardian: Money Tracker	Finance	—	10,000+	Apr 13, 2025
GeoSurvivor - Geo Quiz	Education	—	10+	Jan 1, 2026