Koustav

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Apps: 2

Total installs: 817

Latest release: May 8, 2026

How this developer operates

Carrier title Stampify holds 92% 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 ~218 days on average
Maintenance 0 of 2 apps updated in the last 90 days · last update 187 days ago

All apps

App	Style	Rating	Installs	Released
Stampify	Photography	—	500+	May 7, 2026
Pebble Notes	Productivity	—	50+	Oct 1, 2025