f.lux

Business Profile

Core Value Proposition

f.lux provides software to make your life better by automatically warming your computer display at night to match indoor lighting and improve sleep.

Target Customer

Individual computer users seeking better sleep and screen comfort; organizations/IT teams considering corporate licenses and site licenses

Key Differentiator

Automatic, time- and location-based color temperature adjustments across multiple platforms, with specialized modes (Darkroom, Movie Mode), a built-in light-measurement tool (f.luxometer), and support for corporate licensing

Implementation Timeline

Value is delivered immediately upon installation with automatic ongoing adjustments aligned to local time and location

Pain Points

1Exposure to blue glow from screens at night
2Sleep disruption or poor sleep due to late-night screen use
3Difficulty matching display lighting to indoor environment and time of day, causing eye strain

Key Features

1Automatic color temperature adjustment: warm at night, daylight-like during the day
2Location-based sunset/sunrise timing to drive color changes
3Cross-platform availability: Windows, macOS, Linux, iOS, Android
4Special modes: Darkroom mode and Movie Mode
5f.luxometer: tool to measure spectrum and non-visual light effects

Target Customer Industries

Decision Makers

1IT Administrator
2System Administrator

Client Results

1Improved sleep quality due to reduced blue light at night
2Reduced eye strain from screen lighting in dark environments
3Screen appearance better aligned with room lighting and time of day

Competitive Advantages

1Location-aware, time-based color temperature adjustments (sunset/sunrise timing)
2Multi-platform support (Windows, macOS, Linux, iOS, Android)
3Available as a free personal-use download with enterprise options (corporate edition and site licenses)
4Additional features like Darkroom and Movie Mode for specialized use cases
5Built-in measurement/analytics (f.luxometer) for light spectrum considerations

Key Benefits

1Automatic color-temperature adjustments based on time of day and location

2Reduced blue light exposure at night for better sleep

3Enhanced screen comfort in dark environments

4Cross-platform support with options for corporate licensing

5Special modes (Darkroom, Movie Mode) and measurement tools (f.luxometer)

Additional Product Information

Product Description

f.lux is software that automatically adjusts a computer display's color temperature based on the time of day and location, warming the screen at night to mimic indoor lighting and reducing blue light to help sleep and comfort.

Target Market

Individuals seeking better sleep and display comfort; organizations/IT departments evaluating centralized licensing for many machines

Unique Value Proposition

Automatically, location- and time-based color adjustments across devices to align screen lighting with real-world lighting, improving sleep and reducing eye strain, with flexible personal and corporate licensing

Technical Requirements

Supports Windows, macOS, Linux; iOS (iPhone/iPad) and Android versions available; iOS requires Location Services; Mac/Windows/macOS editions offer various update paths; not available in the Apple App Store due to private API usage

Pricing Model

Free for personal use; Corporate Edition and site licenses available

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