Koval Prod.

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Apps: 2

Total installs: 15K

Avg rating: ★ 4.58

Ratings: 171

Latest release: Nov 5, 2025

How this developer operates

Carrier title Pi Trainer holds 96% 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 ~3.7 years on average
Maintenance 2 of 2 apps updated in the last 90 days · last update 11 days ago · updates every ~30 days

App	Style	Rating	Installs	Released
Pi Trainer	Education	★ 4.6	10,000+	Mar 10, 2022
OvertakeGP: Formula Hub	Sports	—	500+	Nov 5, 2025