All 5 recommendations
Est. prices as of 16 Mar 2026
#1 · f.lux · Crowd Favorite
f.lux
Free (Pro: $14.99)
The gold standard that adjusts your screen to your local sunset—so smart it's almost spooky
- âś“ Automatically syncs to your geographic location and time of day
- âś“ Incredibly smooth transitions throughout the evening
- âś“ Works across all major devices with cloud sync
- âś— Free version lacks advanced customization some power users want
- âś— Can occasionally conflict with color-critical work like design
#2 · Iris Tech · Premium Pick
Iris
$39.99
The Swiss Army knife of blue light—granular controls that make f.lux look basic
- âś“ Obsessive customization with brightness, contrast, and color temperature sliders
- âś“ Screen break reminders and focus mode to protect your posture
- âś“ Built-in dimming that goes deeper than most competitors
- ✗ Honestly overkill for most developers—you're paying for features you won't use
- âś— Steeper learning curve than simpler alternatives
#3 · Microsoft / Apple · Best Value
Windows Night Light / macOS Night Shift
Free
Built into your OS and 80% as good as anything you'll pay for
- ✓ Zero friction—already installed on your computer
- âś“ Integrates seamlessly with system settings
- âś“ Minimal performance impact
- âś— Less sophisticated scheduling than f.lux
- âś— Adjustment options are limited compared to paid alternatives
- âś— Can't easily share settings across devices
#4 · Jon Moriarty · Hidden Gem
Redshift
Free
Linux devotees' answer to f.lux—works beautifully if you're on Ubuntu or Fedora
- âś“ Open-source and actively maintained by the community
- âś“ Lightweight and fast on older hardware
- âś“ Highly configurable for tweakers
- ✗ Linux only—useless if you're on Windows or macOS
- âś— Documentation is sparse for beginners
- âś— Not as polished as f.lux or Iris
#5 · ScreenFilter
ScreenFilter
$9.99
The forgotten middleman—decent but there's honestly no reason to pick this over f.lux
- âś“ Simple, no-nonsense interface
- âś“ Affordable one-time purchase
- âś“ Works on Windows and macOS
- âś— Development feels stalled compared to competitors
- âś— Automatic location-based adjustments don't work as smoothly
- âś— Customer support is noticeably slower