Black Light

Business Profile

Core Value Proposition

Michel Fortin provides software tools and services for Mac and iOS, including screen color effects and calibration utilities (Black Light, Gamma Control), color blindness simulators (Sim Daltonism, Red Stripe), and development services.

Target Customer

Mac and iOS users, developers needing app development or string-table editing tools, accessibility testers and color-blindness testers, and on-set playback users (Scenica).

Key Differentiator

A focused suite of macOS/iOS color and accessibility tools (color gamma manipulation, color-blindness simulation, color separation) developed by a single developer, with cross-device/multi-screen capabilities and on-set playback support.

Implementation Timeline

Not specified in current content

Pain Points

1Difficulty calibrating and adjusting the gamma curve for accurate screen appearance
2Need to simulate or accommodate color-blind vision (color discrimination challenges)
3Managing color-related accessibility for UI testing and end-user readability
4Coordinating color tools across multiple screens and devices
5Translating and editing string tables for Mac & iOS apps (development workflow)

Key Features

1Black Light: apply visual effects to the screen by manipulating the gamma curve; supports clipping and gamma shift; stores multiple effects and can switch between them; can auto-switch based on time or the frontmost app; supports multi-screen configurations; per-screen configuration options
2Gamma Control: quickly adjust the gamma correction curve of macOS displays
3Counterparts Lite: edit and translate string table files for Mac and iOS apps
4Red Stripe: color separator to help persons affected by color blindness distinguish certain colors
5Sim Daltonism: color blindness simulator for Mac and iOS to see scenes as a color-blind person would

Target Customer Industries

Competitive Advantages

1Direct availability of Black Light 3 with a 30-day free trial and online purchase
2Continued compatibility notes and updates for macOS Big Sur and Apple Silicon (M1) via Rosetta and native plans
3Black Light Pro features merged into Black Light 3; Pro is discontinued, indicating a streamlined product line
4Payment options include USD pricing and Bitcoin Cash, with Stripe handling card payments

Key Benefits

1Improved screen color calibration and visualization via gamma manipulation

2Accessibility support through color blindness simulation and differentiation tools

3Cross-device and multi-screen configuration capabilities

4Ability to test and translate app UI elements and strings directly within the ecosystem

5On-set playback support for production environments (Scenica)

Additional Product Information

Product Description

Black Light: apply a combination of visual effects to your screen by manipulating the gamma curve.

Target Market

Mac and iOS users needing screen color effects, calibration, accessibility tools, and developers requiring string-table editing tools; professionals involved in on-set playback and visual testing.

Unique Value Proposition

A focused, developer-led suite of macOS and iOS tools for screen color management, accessibility and on-set playback, with multi-screen support and a bundled set of complementary utilities (Gamma Control, Sim Daltonism, Red Stripe, Counterparts Lite).

Technical Requirements

Mac and iOS apps; remote configuration via Gamma Board; store payments processed by Stripe; online store requires JavaScript for purchase flow; pricing displayed in USD with accepted payments including Bitcoin Cash

Pricing Model

Black Light 3 priced at $18.99 USD with a free 30-day trial; store accepts USD cards via Stripe and Bitcoin Cash; “Free Trial” option available for select apps

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