Stellarium Planetarium App
App shows you what your night sky looks like including stars, constellations, planets, and Deep Sky Objects. Moves in sync with the sky when you hold your phone up. Note: this app also has a desktop version so you can plan your observing indoors/during the daytime.
SkyView Planetarium App
App lays a virtual map of the constellations and plants right over the view of the sky captured by your phone's camera. Is a simpler and less detailed than Stellarium, does not zoom/scale and does not include Deep Sky Objects.
Light for Night Vision
Forgot your red flashlight or need another one? This app turns your phones screen into an adjustable red light.
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