Next Quantum System

How this developer operates

• Carrier title Let's Study Book holds 93% of the developer's installs — a one-app developer
• Hit rate 0% of launches reach 100k installs (0 of 4 at least 30 days old)
• Release rhythm a new app every ~1.3 years on average
• Maintenance 3 of 4 apps updated in the last 90 days · last update 17 days ago · updates every ~36 days

Same company, other accounts · SELİM KELES

Developer names that share this developer's legal name, contact e-mail or website in the store.

Listings that changed hands

App	Direction	Counterparty	When
Sayaç	renamed	Quantum System	Nov 6, 2026

All apps

App	Style	Rating	Installs	Released
Let's Study Book	Education	—	50,000+	Jul 15, 2023
Let's Speak / İngilizce Konuş	Education	—	1,000+	Apr 18, 2022
Harften Kelime Türetme	Education	—	100+	Feb 20, 2022
Lock My Devices	Parenting	—	10+	Dec 1, 2025