When comparing Chron vs Runway, the Slant community recommends Runway for most people. In the question“What are the best custom Android Wear watch faces?” Runway is ranked 3rd while Chron is ranked 8th. The most important reason people chose Runway is:
The watch face shows the weather forecast for the next 12 hours.
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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 Displays upcoming weather in a beautiful way
The watch face shows the weather forecast for the next 12 hours.
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 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.