When comparing Chron vs Planets, the Slant community recommends Planets for most people. In the question“What are the best custom Android Wear watch faces?” Planets is ranked 1st while Chron is ranked 8th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Detailed cyberpunk aesthetic
A Tron-like watchface with neon blues and yellows.
Pro Dimmed mode
Pro Circular display ready
The developers have confirmed that the watchface is ready for circular displays and promises to adjust it for Moto 360 as needed when they get their hands on the device.
Pro Shows date
Pro Two themes to choose from
Pro Displays the actual current positions of the planets
The watchface collects NASA data and uses it to put planets in their appropriate places.
Cons
Con Not compatible with LG G Watch W100
Connection to the phone gets lost while using this watch face on LG G Watch W100.
Con Initial spin makes it hard tell time with a quick glance
Each time checking the watch all the planets spin wildly before settling into position. It can be distracting and arguably unnecessary.
Con Eats up battery life
Eats the battery at about 3 times the rate of the standard watch face.