When comparing F.lux vs Better Touch Tool, the Slant community recommends F.lux for most people. In the question“What are the best power user tools for macOS?” F.lux is ranked 26th while Better Touch Tool is ranked 32nd. The most important reason people chose F.lux is:
Helps provide better sleep for more energy during the day.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can help sleep better
Helps provide better sleep for more energy during the day.
Pro Eases eye strain
Decreases color temperature at night, changing the normally fluorescent blue of an LCD monitor to a soft orange. Much easier on the eyes, especially in a low-light environment.
Pro Subtle transition
The transition from daytime to nighttime color modes takes an hour by default and will detect your current timezone, meaning that it will happen in the background at sunset, often without you noticing.
Pro Endlessly customizable
Pro Extendability
Allows user to extend my MBP with touchbar by creating custom actions per app. Also supports system-wide integration (touchbar actions).
Pro BTT makes it simple to sync your hotkey, Touch Bar and gesture setup between several machines
Pro Sync settings in the cloud
Pro There's a free companion app for iOS that you can use to remote control your Mac
Pro Supports Apple script, bash, javascript
Pro Customize window button behaviour
Pro Make your own menu bar items
Pro Active community
Pro Built-in clipboard manager
Pro Highly configurable window moving / window snapping options
Pro Key sequences
Supports key sequences for things like text expansion.
Pro Supports MIDI devices (keyboards, DAW controllers, etc.)
Listen for MIDI events and have them control anything. For example you could use a DJ controller in your favorite video editor, etc.
Pro Lets you configure your external mouse's 4th and 5th button per app
Pro Record gestures / drawings and assign them to actions
Pro Developer is regularly adding features / improvements
Cons
Con Takes a while to get used to
After installing F.lux, the screen will look a lot more yellow. This takes about a week to fully get used to. You can ease into it by setting the color temps higher than the recommended defaults.