Corvin Hartmann

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Apps: 2

Total installs: 809K

Avg rating: ★ 4.49

Ratings: 2.5K

Latest release: Aug 7, 2025

How this developer operates

Carrier title CashCounter: The cash manager holds 100% of the developer's installs — a one-app developer
Hit rate 50% of launches reach 100k installs (1 of 2 at least 30 days old)
Release rhythm a new app every ~3.9 years on average
Maintenance 2 of 2 apps updated in the last 90 days · last update 41 days ago

App	Style	Rating	Installs	Released
CashCounter: The cash manager	Finance	★ 4.5	500,000+	Aug 30, 2021
Sparkling - Your language AI	Education	—	50+	Aug 7, 2025