---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Sim Daltonism"
developer_entity: "Michel Fortin"
bundle_id: "ca.michelf.SimDaltonismMobile"
app_store_id: "1050503579"
category: "Photo & Video"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2020-06-18"
report_date: "2026-05-14"
last_verified: "2026-05-14T15:09:44.555Z"
report_version: "2.1.5"
total_reviews: 162
overall_rating: 4.78
sentiment: "Excited"
sentiment_score: 85
confidence: "medium"
confidence_score: 0.8
review_sample_size: 162
data_age_days: 6
momentum_velocity: "zombie"
intelligence_version: 3
nemesis: "Color Blind Pal"
competitor_count: 6
tags: ["photo & video", "free", "excited sentiment", "mobile app", "app review", "app analysis", "visual", "designers,", "educators,"]
canonical_url: "https://marlvel.ai/intel-report/photo-video/sim-daltonism"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Sim Daltonism App Audit

## TL;DR {#tldr}

- **Category**: Photo & Video · Free
- **Signal**: Rating 4.78 · Sentiment Excited

> **TL;DR:** Sim Daltonism is a photo & video app by Michel Fortin, rated 4.78/5 by 162 users, with Excited user sentiment (85/100), available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Sim Daltonism has Excited user sentiment with a 4.78/5 rating from 162 reviews.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.78/5 (162 reviews) |
| **User Mood** | Excited |
| **Category** | Photo & Video |
| **Developer** | Michel Fortin |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Medium (0.8/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Michel Fortin
- **Category:** Photo & Video
- **Target Audience:** Visual designers, educators, and individuals seeking to understand or improve accessibility for color-blind users.
- **Platforms:** iOS
- **Version Audited:** 2.1.5
- **Audit Date:** 2026-05-14
- **Signal Count:** 162 reviews analyzed
- **Confidence:** Medium (0.8/1.0)
- **App Store ID (iOS):** 1050503579
- **Bundle ID:** ca.michelf.SimDaltonismMobile
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-05-14

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Sim Daltonism is a photo and video utility that simulates color blindness via live camera overlays for designers and educators.
**Why users hire it:** Users hire the app to visualize accessibility gaps in designs, serving as a low-cost, open-source diagnostic tool for color-blindness awareness.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Real-time Camera Simulation:** Uses the device camera to overlay color blindness filters on the live viewfinder
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Color Blindness Profiles:** Simulates specific vision types including Deuteranopia, Protanopia, Tritanopia, and Monochromacy
  * *User Intent:* Users seek enhanced value through premium features.
- **[Differentiator] Open Source Codebase:** Publicly available source code hosted on GitHub for community contribution
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Sim Daltonism maintains a 4.78 rating across 162 reviews, but the lack of updates since 2020 signals a shift toward maintenance-only status in the Photo & Video category.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free, no IAP or subscription mentioned
- **Analysis:** The app operates as a free, open-source utility with no monetization gates or ad-supported inventory.

<!-- section:sentiment -->
## 🟢 User Sentiment (Medium Confidence: 162 reviews) {#user-sentiment}
- **Overall Rating:** 4.78/5
- **Platform Split:** iOS 4.8/5 (162 ratings)
- **Overall Sentiment:** Excited

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Open-source codebase facilitates community-led maintenance
- Focused, lightweight UX avoids feature bloat

**Critical Frictions:**
- No feature updates since 2020
- Lacks granular color-value inspection tools

**Growth Levers:**
- Integrate side-by-side comparison views
- Expand documentation for professional design workflows

**Market Threats:**
- Automated inspection tools in Color Blind Pal erode value
- Lack of maintenance risks camera API compatibility

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app remains in a maintenance-only state while the competitive landscape has evolved to prioritize automated inspection and side-by-side comparison features.

**Overall trend**: Stable
**Compared at**: 2026-05-14

### High-impact changes
- **[Shifted] Competitive Nemesis Update** (positioning) — Chromatic Vision Simulator replaced by Color Blind Pal as the primary nemesis due to its superior granular inspection tools and larger user base.
- **[Shifted] Strategic Focus Pivot** (positioning) — Outlook shifted from prioritizing static-file support to addressing the broader threat of automated, AI-driven inspection tools.

### Medium-impact changes
- **[Added] New Competitive Threats** (swot) — Added threats regarding automated inspection tools in Color Blind Pal and potential camera API compatibility issues due to lack of maintenance.
- **[Added] Feature Gap Identification** (features) — Added 'Granular color inspection' and 'Side-by-side comparison view' to the feature gaps list based on competitor capabilities.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Sim Daltonism vs Color Blind Pal — Head to Head
- **[Color Blind Pal](https://marlvel.ai/intel-report/utilities/color-blind-pal)** 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.
  - **Key differences:**
    - 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
  - **Where Sim Daltonism wins:**
    - ✅ Sim Daltonism offers a more focused, streamlined user experience without the clutter of extra utility features
    - ✅ Higher average user rating suggests superior stability and satisfaction among the core user demographic
  - **Where Color Blind Pal wins:**
    - ❌ Color Blind Pal provides more granular color inspection tools that go beyond simple visual simulation
    - ❌ Larger review count provides stronger social proof and trust signals for new users in the App Store
  - **Verdict:** The target should focus on maintaining its high-quality, lightweight UX while exploring advanced inspection features to prevent feature-parity erosion.

### Peers (What They Do Better)
- **[Passport Photo Booth Creator](https://marlvel.ai/intel-report/photo-video/passport-photo-booth-creator)** by TRB Ventures LLC: This app competes for the same 'Photo & Video' category real estate, though its utility is focused on document creation rather than accessibility.
  - Monetizes through professional print fulfillment services, a completely different business model than the target app
  - Focuses on guided silhouette overlays for compliance rather than visual accessibility or color simulation
- **[Eye Helper](https://marlvel.ai/intel-report/medical/eye-helper)** by Stanislav Svec: This app shares the same 'assistive vision' category, providing live image reading and magnification for users with visual impairments.
  - Prioritizes live text extraction and magnification over the color-specific simulation offered by Sim Daltonism
  - Operates as a general-purpose medical vision aid rather than a specialized color accessibility tool
- **[Elderly Phone](https://marlvel.ai/intel-report/utilities/elderly-phone)** by 道远 牛: This app competes in the broader accessibility space by offering high-contrast visual interfaces for users with vision-related challenges.
  - Provides a full-system high-contrast interface rather than a specific tool for color blindness simulation
  - Includes offline contact processing and voice caller ID features that fall outside the target's scope
- **[ClaroCom Pro](https://marlvel.ai/intel-report/medical/clarocom-pro)** by Claro Software Limited: While primarily a communication tool, it overlaps with accessibility needs by providing assistive technology for users with visual or cognitive impairments.
  - Focuses on text-to-speech and predictive writing rather than visual color simulation for the color blind
  - Targets a broader medical and educational market segment rather than specialized color vision accessibility

### New Kids on the Block (What's Innovative)
- **[See Colors](https://marlvel.ai/intel-report/photo-video/see-colors)** by Vu Trong Thang Dinh: This newcomer enters the market with a modern feature set that directly challenges the target app's core value proposition.
  - Offers side-by-side comparison views that provide immediate visual feedback for color-blind users

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v2.1.5, 5 years ago):** Fixed a color rendering bug where saturated blues incorrectly displayed as purple.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No feature updates since mid-2020.
- Maintained via open-source community contributions.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 2155 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Sim Daltonism is a market-leading photo & video app that is completely free.
With a 4.78/5 rating from 162 reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Sim Daltonism holds a niche through its lightweight, open-source design, but the lack of updates since 2020 leaves it vulnerable to automated inspection rivals, so the PM should prioritize feature parity to prevent user churn.
<!-- speakable-end -->

**Best for:** Visual designers, educators, and individuals seeking to understand or improve accessibility for color-blind users.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] [MEDIUM IMPACT] Ship side-by-side comparison view because it is the primary differentiator for new entrants → increase user retention — *See Colors newcomer uses side-by-side comparison to provide immediate feedback, which Sim Daltonism lacks.* _(trade-off: deprioritize Pause documentation expansion — feature parity is higher priority for user retention.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Granular color inspection tool (available in Color Blind Pal)
- Side-by-side comparison view (available in See Colors)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Stable

The accessibility market is shifting toward automated, AI-driven color inspection, leaving manual simulation tools like Sim Daltonism exposed. Without a roadmap to integrate automated tools, the app will likely transition to a legacy utility status as users migrate to more capable rivals.

- 🔴 The lack of updates since 2020 risks technical debt, which will eventually break camera functionality on newer iOS builds.
- ⚪ Open-source maintenance remains active, ensuring the app survives as a utility despite the absence of a dedicated product roadmap.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.78/5 |
| Total Reviews | 162 |
| Sentiment | Excited (85/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Sim Daltonism** (this app) | 4.78/5 | Excited | Michel Fortin |
| [ClaroCom Pro](https://marlvel.ai/intel-report/medical/clarocom-pro) | 1.0/5 | N/A | Claro Software Limited |
| [Eye Helper](https://marlvel.ai/intel-report/medical/eye-helper) | N/A/5 | N/A | Stanislav Svec |
| [Elderly Phone](https://marlvel.ai/intel-report/utilities/elderly-phone) | 2.0/5 | Mixed | 道远 牛 |
| [Color Blind Pal](https://marlvel.ai/intel-report/utilities/color-blind-pal) | 3.9/5 | Mixed | Vincent Fiorentini |
| [Passport Photo Booth Creator](https://marlvel.ai/intel-report/photo-video/passport-photo-booth-creator) | 4.0/5 | Excited | TRB Ventures LLC |

## Company Profile
- **Developer:** Michel Fortin
- **Website:** [https://michelf.ca/projects/sim-daltonism/](https://michelf.ca/projects/sim-daltonism/)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/sim-daltonism/id1050503579?uo=4)
- **Dev Site:** [Official Website](https://michelf.ca/projects/sim-daltonism/)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*ClaroCom Pro*](https://marlvel.ai/intel-report/medical/clarocom-pro) (Claro Software Limited) — 1.0/5 Rating | N/A Sentiment
- [*Eye Helper*](https://marlvel.ai/intel-report/medical/eye-helper) (Stanislav Svec) — N/A Rating | N/A Sentiment
- [*Elderly Phone*](https://marlvel.ai/intel-report/utilities/elderly-phone) (道远 牛) — 2.0/5 Rating | Mixed Sentiment
- [*Color Blind Pal*](https://marlvel.ai/intel-report/utilities/color-blind-pal) (Vincent Fiorentini) — 3.9/5 Rating | Mixed Sentiment
- [*Passport Photo Booth Creator*](https://marlvel.ai/intel-report/photo-video/passport-photo-booth-creator) (TRB Ventures LLC) — 4.0/5 Rating | Positive Sentiment
- [*See Colors*](https://marlvel.ai/intel-report/photo-video/see-colors) (Vu Trong Thang Dinh) — 5.0/5 Rating | N/A Sentiment
- [*Lightroom: AI Photo Editor*](https://marlvel.ai/intel-report/photo-video/lightroom-ai-photo-editor) (Adobe Inc.) — 4.8/5 Rating | Positive Sentiment
- [*Picsart AI Photo Editor, Video*](https://marlvel.ai/intel-report/photo-video/picsart-ai-photo-editor-video) (PicsArt, Inc.) — 4.3/5 Rating | N/A Sentiment
- [*Sora by OpenAI*](https://marlvel.ai/intel-report/photo-video/sora-by-openai) (OpenAI OpCo, LLC) — 4.7/5 Rating | N/A Sentiment
- [*Memento - Photo Widget*](https://marlvel.ai/intel-report/photo-video/memento-photo-widget) (Rick Fleuren) — N/A Rating | N/A Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.8/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 162
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/photo-video/sim-daltonism)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.