Tatsumi Oikawa

How this developer operates

• Carrier title Simple Duty Roster holds 66% of the developer's installs
• Hit rate 0% of launches reach 100k installs (0 of 3 at least 30 days old)
• Release rhythm a new app every ~102 days on average
• Maintenance 1 of 3 apps updated in the last 90 days · last update 36 days ago

All apps

App	Style	Rating	Installs	Released
Simple Duty Roster	Productivity	—	1,000+	Jun 22, 2025
SketchMap	Maps & Navigation	—	1,000+	Nov 30, 2024
Kokokara	Lifestyle	—	10+	Mar 30, 2025