Tangram Heightmapper vs Earth

How do Tangram Heightmapper and Earth compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.

Directory details: Tangram Heightmapper and Earth
Directory detail	Tangram Heightmapper	Earth
What it is	Tangram Heightmapper displays terrain imagery, with an API key required for imagery beyond zoom level three.	Earth displays forecast wind, weather, ocean, and pollution conditions on an animated global map updated every three hours.
Website	tangrams.github.io/heightmapper	earth.nullschool.net
Type	Website	Website
Topic	Maps, Navigation & Weather	Maps, Navigation & Weather
Pricing	Not confirmed	Not confirmed
Platforms	Web	Web
Open source	Not stated	Not stated
Language	English	English
Alternatives	4 alternatives	17 alternatives