Report updated May 13, 2026
Color Blindness Test Ishihara
For individuals seeking personal color vision assessment and professionals requiring a screening tool for color blindness.
Color Blindness Test Ishihara is an established medical app that is completely free. With a 3.0/5 rating from 1 reviews, it shows polarized user reception.
What is Color Blindness Test Ishihara?
Color Blindness Test Ishihara is a diagnostic tool for color vision deficiency using standard Ishihara plates on iOS and Android.
Users hire this app for a quick, low-friction assessment of their color vision status, but the lack of ongoing assistive utility means they churn immediately after the first test.
Current Momentum
v1.1 · 12mo ago
Maintenance- No major feature releases recently.
- Maintains static diagnostic toolset.
Active Nemesis
Color Blind Pal
By Vincent Fiorentini
7-Day Rank Pulse 🇺🇸
MedicalNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Standardized color vision assessment using Ishihara plates to identify deficiency types and severity
Aggregates test results to provide a summary of the user's color vision deficiency status
Configured for clinical or professional use cases to assess color distinction capabilities
How much does it cost?
- Free access to all test features
The app operates on a free-to-use model with no visible in-app purchases or subscription tiers.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Rina Katrina make?
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Color Blindness Test Ishihara?
Where is it available?
Localized markets (1)
How's The Medical Market?
**Pricing Strategy**: Free-to-use model with no in-app purchases or subscription tiers. **Target Audience**: Individuals seeking personal assessment and professionals requiring screening tools.
How does it evolve in the Medical market?
The app maintains a basic diagnostic presence on iOS with a 3-star rating, but the lack of Android traction (zero ratings) signals a failure to establish a cross-platform footprint.
Rank progression
7 active rankings tracked — 30-day window
Which niche is Color Blindness Test Ishihara in?
to assess color vision deficiency
Explore the full Vision Testing Monitors niche
Every app in this space — 8 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
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 offering specialized hardware-integrated vision tracking services that provide more utility than a simple software-only test.
This peer competes by providing specialized utility for clinical environments, focusing on the hardware-software interface of vision testing.
New entrants(2)
This newcomer directly challenges the target app's core value proposition by offering specific Ishihara plate testing and PDF reporting.
This newcomer is a threat due to its aggressive release cadence and focus on professional data integration.
Compare Color Blindness Test Ishihara against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Color Blindness Test Ishihara
Strengths to defend, gaps to attack
Core Strengths
- Professional screening mode provides specialized clinical utility
- Free-to-use model removes friction for initial acquisition
Critical Frictions
- Static testing utility lacks daily-use retention loops
- No monetization strategy limits development capacity
- Zero Android rating count indicates poor visibility
Growth Levers
- Integration of real-time assistive color correction filters
- B2B partnerships with clinical or educational institutions
Market Threats
- Established rivals with multi-year engagement records
- Lack of feature updates invites disruption by active competitors
What are the next best moves?
Pivot to assistive utility by shipping real-time color correction because static tests lack retention → increase daily active usage
Competitor analysis shows rivals with real-time filters dominate the category
Trade-off: Deprioritize further Ishihara plate additions — existing set is sufficient for diagnosis.
A counter-intuitive read
The app's lack of monetization is not a strength but a terminal weakness, as it prevents the reinvestment necessary to build the assistive features that define the category.
Feature Gaps vs Competitors
- Real-time color correction filters (available in Color Blind Pal but absent here)
- Comprehensive suite of non-Ishihara tests (available in Color Blind Pal but absent here)
Key Takeaways
- The app is currently a single-use diagnostic tool that fails to capture long-term user value.
- Development must pivot toward assistive utility to prevent total displacement by rivals offering real-time color correction.
The app functions as a static diagnostic tool, but it lacks the assistive utility required to compete with established rivals, so the PM must prioritize real-time color correction features to prevent total churn.
Where Is It Heading?
Stable
The color vision deficiency market is consolidating around assistive tools that provide daily value beyond simple diagnosis. This app remains exposed to churn because it offers no reason for users to return after the initial test.
The lack of feature updates relative to the nemesis's established utility suggests the app is in maintenance mode, which will lead to gradual user attrition.