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f.lux vs Trello

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

f.lux icon
f.lux
Trello icon
Trello

f.lux vs Trello: 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.

Trello: Trello is a web-based project management application that allows users to organize projects into boards with lists and cards. It facilitates collaboration among team members by allowing them to assign tasks, set due dates, attach files, and comment on cards.

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 Trello
Sugggest Score — 1
Category Os & Utilities Business & Commerce
Pricing Free Freemium

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

Trello
Trello

Description: Trello is a web-based project management application that allows users to organize projects into boards with lists and cards. It facilitates collaboration among team members by allowing them to assign tasks, set due dates, attach files, and comment on cards.

Type: software

Pricing: Freemium

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
Trello
Trello Features
  • Kanban-style boards
  • Card system for tasks
  • Due dates and reminders
  • File attachments
  • Comments and activity log
  • Custom fields
  • Calendar view
  • Mobile apps
  • Third-party integrations

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
Trello
Trello

Pros

  • Intuitive and easy to use
  • Great for visualizing workflows
  • Flexible and customizable
  • Real-time collaboration
  • Free version available

Cons

  • Can get disorganized with large projects
  • Limited features in free version
  • No time tracking
  • No Gantt charts

Pricing Comparison

f.lux
f.lux
  • Free
Trello
Trello
  • Freemium

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Learn More About Each Product

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

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