Katsushi Kuroki
For fans of historical naval combat simulations and individuals interested in basic cognitive memory exercises.
Known forSubmarine 3D simulator
Submarine 3D simulatorFor fans of historical naval combat simulations and individuals interested in basic cognitive memory exercises.
Submarine 3D simulatorDeveloping niche tactical simulations and cognitive training exercises for mobile users.
Target audience
Portfolio
Free 2Last updated
Submarine 3D simulator
v1.1.17
6mo ago
Primary focus
Mobile games and education apps
Scale
indie
Target audience
Fans of historical naval combat simulations and individuals interested in basic cognitive memory exercises.
Released 6 updates across 2 apps in the last 6 months, indicating an active development cycle despite the small portfolio size.
2 apps analysed
User-sentiment analysis coming soon.
Spiffy competes by targeting the same cognitive improvement segment but scales through enterprise-grade gamification and analytics, positioning itself as a professional training tool rather than a casual game.
Strategic outlook coming soon.
What fed this analysis
This app targets the same memory-improvement demographic by offering multi-profile tracking and customizable frequency settings.
This is a long-standing incumbent that competes by offering highly flexible, power-user features for memory and study management.
REPETI captures the same audience by focusing on the science of spaced repetition to improve long-term memory retention.
It competes for the same educational mindshare by leveraging AI to automate content creation for memory retention.
