Report updated May 9, 2026
Overview · Full Intel report in progress
Janken is an established games app that is completely free.
What makes this app unique?
What Does It Look Like?
Loading...
What Are The Key Features?
Users compete against the iPhone in classic rounds of rock-paper-scissors.
The referee decreases the player's remaining time as they successfully win rounds, increasing the difficulty.
How much does it cost?
Who Built It?
Yanis KERRIOU
Developing simple, reflex-based arcade games for casual players seeking quick, short-session entertainment.
Portfolio
4
Apps
What other apps does Yanis KERRIOU make?
Explore the full Yanis KERRIOU report
Portfolio breakdown, audience, momentum, and every app published by Yanis KERRIOU.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for Janken?
How's The Games Market?
Market outlook for this category
Available very soon
Which niche is Janken in?
to play quick reflex-based games
Explore the full Rock Paper Scissors Simulations niche
Every app in this space — 3 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Janken
Key Takeaways
Janken is a minimalist, reflex-based game that adds a time-pressure mechanic to the traditional rock-paper-scissors format.
Where Is It Heading?
Trend analysis
Available very soon