Top 8 f.lux Competitors & Alternatives in 2025
Updated onFind more companies/brands/products like f.lux. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
f.lux
A cross-platform app that adapts your screen’s color temperature to time of day to reduce blue light exposure and eye strain; free for personal use with paid corporate licensing.
Starts at $0
Competitors
#1Est. 2014 • 1 employeeIris Technologies
Best for consumersBulgarian software company behind Iris, a cross‑platform blue-light filter and screen dimmer for eye protection, sold via lifetime licenses and subscriptions.
Starts at $0
#2Est. 2017 • 1 employeeCareUEyes
Best for consumersCareUEyes is an eye-protection app for Windows PCs that filters blue light, dims the screen, and adds break reminders to reduce eye strain.
Starts at $0
#3Est. 1975 • 1k+ employees • Public (NASDAQ:MSFT)Microsoft Support
Best for consumersMicrosoft's official support portal offering help articles, troubleshooting guides, downloads, and contact options for Windows, Microsoft 365, Surface, Xbox, and other Microsoft products.
#4Est. 1977 • 1k+ employees • Public (NASDAQ:AAPL)Apple Support
Best for consumersApple’s official support and service portal providing troubleshooting resources, repair and warranty options, and direct help for Apple devices and services.
Starts at $0
#5Est. 2018 • 1 employeeEye Saver
Best for consumersEye Saver is a free Windows desktop app from Leosoft that filters blue light, reduces display flicker, and reminds users to take breaks to help reduce eye strain.
Starts at $0
Est. 2025 • 1 employeeChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal tracks your competitors' websites, social mentions, ads, and SEO, and sends you email alerts only when it matters.
Starts at $39 / month
Has a free trial
#6Est. 2002 • 1 employeeSkytopia
Best for consumersPersonal website offering original electronic music, picture galleries, classic gaming write‑ups, science trivia, optical illusions, and other eclectic articles.
#7Est. 2005 • 2-10 employeesGNOME Library
Best for consumersOfficial documentation site for the GNOME project, providing user, administrator, and developer guides.
Starts at $0
#8Est. 2010 • 11-50 employeesPangoBright
Best for power usersPangoBright is a free Windows screen dimmer utility that lets you control brightness on single or multiple monitors, developed by Pangolin Laser Systems.
Starts at $0
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