When comparing Star Chart vs NASA App, the Slant community recommends Star Chart for most people. In the question“What is the best stargazing app for Android?” Star Chart is ranked 1st while NASA App is ranked 4th. The most important reason people chose Star Chart is:
Star Chart lets users see the sky as it was 10,000 years ago, or as it will be in 10,000 years. It also lets people see what the sky would look like from a different place on earth .
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Pros
Pro View stars from a different time period or place on earth
Star Chart lets users see the sky as it was 10,000 years ago, or as it will be in 10,000 years. It also lets people see what the sky would look like from a different place on earth .
Pro Perfectly looking on screen!
It is fun to stargaze :)
Pro Provides useful information
Star Chart comes with the Messier Deep Sky catalog which contains information about galaxies, nebulas, and star clusters.
Pro Updated daily
The NASA app has tons of information, most of which is updated constantly.
Pro A huge selection of content
Has over 14,000 images with more added regularly. In addition to images, this app also offers articles videos, TV feeds, and radio in order for users to get the most out of their viewing experience.
Pro Informs users of missions
The Missions calendar lets people see launch schedules and viewing opportunities based on current location. Countdown clocks are included for more precise timing.
Cons
Con Limited Data information
Limited information about listed objects.
Con Lots of information is blocked by in app purchases
Instead of offering everything for a flat rate, every additional feature is offered at anywhere from $2.99 to $9.99.
Con Limited "search" function
Instead of doing global search in between all object sets, you have to choose up front the set to be searched (stars, constellations, etc.) - which is inconvenient if you do not know to which set the object belongs (i.e. is it a star, a planet, a comet, etc.).
Con High on energy
Unfortunately, uses a lot of battery.
Con Not much info on celestial bodies
While this app gives users a ton of information on NASA's activities, it doesn't provide useful information for stars.