Sim Daltonism is a photo and video utility that simulates various forms of color blindness using the device camera.
Product velocity
Dormant
Daily rank 🇺🇸
—
Photo & Video
Sentiment
4.8
162 reviews
Nemesis
Color Blind Pal
The App DNA
What makes this app unique?
Users hire the app to verify visual accessibility in design projects and to explain color perception differences to students or children.
For Visual designers, educators, and individuals seeking to understand color blindness or improve accessibility in design.
What does it look like?
Key features
Uses the device camera to overlay color blindness filters on the live viewfinder
Simulates specific vision conditions including Deuteranopia, Protanopia, Tritanopia, and Monochromacy
Publicly available source code hosted on GitHub for community contribution
How much does it cost?
The app operates as a free, open-source utility with no monetization mechanisms or gated features.
Velocity
Dormant developmentperformanceShow more...
The app has not received a public update in over five years, indicating a complete cessation of development. The last recorded release was a minor bug fix addressing a color filter issue. There is no evidence of active maintenance, feature development, or live operations. The project is classified as a zombie app due to the extreme duration of inactivity.
Who built it?
User Sentiment
What do users think recently?
The recent review mood reads thrilled. Users appreciate colorblindness simulation accuracy provides essential utility for designers and developers testing visual accessibility.
How are ratings & reviews evolving?
What users say, by theme
- Colorblindness simulation accuracy provides essential utility for designers and developers testing visual accessibility
- Camera-only input restriction prevents users from analyzing existing images from their photo library
26 of 26 recent reviews analyzed · moderate confidence · Thrilled overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Sim Daltonism
How's the Photo & Video market?
The app maintains a high 4.77 rating across 162 total ratings, positioning it as a reliable utility in the Photo & Video category.
Read the market outlookThe rivals identified
By Vincent Fiorentini
This app is the primary nemesis because it directly targets the same accessibility niche, offering real-time color inspection and filtering tools that compete for the same user base.
- Includes a dedicated color inspector tool for precise identification of specific color values in real-time
- Offers a broader range of color filters to simulate various types of color vision deficiencies
- Maintains a significantly larger user base and review volume, indicating higher market penetration and visibility
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Sim Daltonism
Where is it heading?
The accessibility utility market is consolidating around tools that offer both simulation and precise inspection. Sim Daltonism remains stable due to its high-quality core simulation, but it must expand input capabilities to avoid being relegated to a niche educational tool.
- High user satisfaction with simulation accuracy reinforces the app's role as a trusted educational and accessibility tool.
- The lack of static image analysis forces professional users to seek alternatives, which creates a churn risk as design workflows evolve.
The SWOT
- Open-source transparency builds high user trust
- Lightweight, focused UX avoids feature bloat
- High simulation accuracy for core profiles
- Integrate photo library import for static design testing
- Add animal vision modes for broader educational use
Next best moves
Ship photo library import because users cite it as the top friction point for static design testing → increase daily utility.
The counter-intuitive read
The app's lack of monetization is its primary competitive advantage…
Read the full takeFeature gaps
Granular color inspection tools (available in Color Blind Pal) +1
Since the last report: The analysis now identifies camera-only input as a critical product gap, shifting the product roadmap toward static image support.
Bottom line
Sim Daltonism holds a strong reputation for accuracy, but the camera-only constraint limits its utility for professional designers, so the team should prioritize image import to prevent users from migrating to more feature-complete rivals.
Unlock 3 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeReport last updated