Science (274 programs)
Pros: Easily calculate moon phases. Preview of current moon phase.
Cons: Limited set of definitions. Have to type in your own time zone.
Pros: Good for obtaining optimum radio receptions.
Cons: Very complicated for the average user.
Pros: Great way to share PDF documents. Easily open and read PDFs.
Cons: Requires in-app purchases for some content. Doesn’t work with all operating systems.