When comparing Episode 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 Episode is ranked 24th.
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Pros
Pro Shows current and upcoming weather via text
Most of the screen is taken by text explaining what's the current weather and what the weather be like in a bit.
Pro Optimized for both round and square watches
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 Weather information can be spotty
Runway developers, ustwo, use OpenWeatherMap data for weather information. The accuracy sometimes can be off a by a considerable margin.
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.