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f.lux vs TTclock

Professional comparison and analysis to help you choose the right software solution for your needs.

f.lux icon
f.lux
TTclock icon
TTclock

f.lux vs TTclock: The Verdict

⚡ Summary:

f.lux: f.lux is a free app that adjusts a computer's display color temperature based on the time of day, making screens appear warmer at night to reduce eye strain and disrupt sleep cycles less.

TTclock: TTclock is a free open source desktop clock and timer application for Windows. It provides basic timing features like alarms, stopwatch, countdown timer, and world clock.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature f.lux TTclock
Sugggest Score — —
Category Os & Utilities Os & Utilities
Pricing Free Open Source

Product Overview

f.lux
f.lux

Description: f.lux is a free app that adjusts a computer's display color temperature based on the time of day, making screens appear warmer at night to reduce eye strain and disrupt sleep cycles less.

Type: software

Pricing: Free

TTclock
TTclock

Description: TTclock is a free open source desktop clock and timer application for Windows. It provides basic timing features like alarms, stopwatch, countdown timer, and world clock.

Type: software

Pricing: Open Source

Key Features Comparison

f.lux
f.lux Features
  • Adjusts screen color temperature based on time of day
  • Makes screen appear warmer at night
  • Can be scheduled to change color temperature automatically
  • Has options to customize color temperature
  • Works across Windows, Mac, Linux, iOS and Android
TTclock
TTclock Features
  • Multiple customizable clocks
  • World clock
  • Stopwatch
  • Countdown timer
  • Alarms

Pros & Cons Analysis

f.lux
f.lux

Pros

  • Reduces eye strain from blue light at night
  • Helps maintain natural sleep cycles
  • Easy to install and use
  • Completely free with no ads or upsells

Cons

  • May take some time to get used to color changes
  • Limited customization options
  • Requires manual adjustments for daytime use
TTclock
TTclock

Pros

  • Free and open source
  • Lightweight
  • Easy to use interface
  • Customizable

Cons

  • Limited features compared to proprietary apps
  • Basic UI
  • No mobile app

Pricing Comparison

f.lux
f.lux
  • Free
TTclock
TTclock
  • Open Source

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Learn More About Each Product

f.lux
f.lux
Reviews, pricing & alternatives →
TTclock
TTclock
Reviews, pricing & alternatives →

Ready to Make Your Decision?

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