Tarmo Johannes

How this developer operates

• Carrier title Harmonics Practice holds 76% of the developer's installs
• Hit rate 0% of launches reach 100k installs (0 of 2 at least 30 days old)
• Release rhythm a new app every ~2.3 years on average
• Maintenance 1 of 3 apps updated in the last 90 days · last update 12 days ago

All apps

App	Style	Rating	Installs	Released
Harmonics Practice	Music & Audio	—	100+	Nov 1, 2025
vClick Client	Music & Audio	—	50+	Jul 29, 2023
VÄIN	Music & Audio	—	10+	—