What are some alternatives?
When comparing UP by Jawbone and Lifelog, you can also consider the following products
Gadgetbridge - A free and cloudless replacement for your gadget vendors' closed source Android applications.
Chronos - Automatically change almost any setting on your phone depending on location, time of day, dock...
Digifit - The Digifit ecosystem is a full suite of Apple apps that records heart rate, pace, speed, cadence...
Wear OS by Google - Wear OS by Google is a version of Android for Watches!
Exist - Track everything in one place, understand your life.
Moto 360 - The round smart watch is finally here.