Rina Katrina
Color Blindness Test Ishihara
Publisher DNA
What defines Rina Katrina?
AI intelligence is not yet available for Rina Katrina. The portfolio data below is up to date.
Portfolio
What does Rina Katrina ship?
Apps
1 app analysed
- Focused, lightweight UX specifically tailored for Ishihara-based color blindness screening
Single-market publisher, every app ships only to United States.
Based on 1 of 1 app with localized market data · last scanned .
Americas (1)
- United States1 / 1
Core markets (1/1 apps)
Rivals
Who does Rina Katrina compete with?
The rivals identified
Nemeses(1)
This app is a direct nemesis because it dominates the vision-testing category with a massive user base and a feature set that encompasses both color blindness and general visual acuity.
Contenders(1)
This contender competes by positioning itself as a professional-grade, optician-gated screening tool that targets the high-accuracy segment of the vision market.
Same space(2)
This peer competes by providing specialized utility for clinical environments, focusing on the hardware-software interface of vision testing.
This peer competes by offering specialized hardware-integrated vision tracking services that provide more utility than a simple software-only test.
New entrants(2)
This newcomer is a threat due to its aggressive release cadence and focus on professional data integration.
This newcomer directly challenges the target app's core value proposition by offering specific Ishihara plate testing and PDF reporting.