StarryCamera is the best camera app for a starry sky.

How to use

1. Mount your iphone on a tripod.


2. Choose shooting mode.


3. Choose ISO, Shutter Speed.


4. (Choose White Balance according to your preference)


5. Tap the shutter button.

About 5 modes

Starry sky mode : Highlight bright stars, and increase contrast.

Star trails mode : Lighten blend mode for star trails.

Milky way mode : Increase contrast.

Night view mode : No image processing.

Lighten mode : Lighten blend mode. (for firefly, light trail, etc)

If the app crash often on old iPhone, try to choose small resolution in the preferences view.