If anyone's looking for a moon app, this is free and it's good. Lots of info on it, can't go wrong for free. I have an android, not sure if you can get it on iphones or not.
Daff Moon Phase
Main features:
Current phase and age of the Moon;
Node passages of the Moon;
Moon phases calendar and Rise/Set calendar for any month;
Full Information about Lunar Eclipses & Solar Eclipses with visualization;
Day-length, Rise and Set times, Zodiac signs, Transit times, Altitude and Azimuth of the Moon, the Sun, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto;
Moon, Sun and all major planets positions on the interactive sky sphere;
Solstices and Equinoxes;
Supermoon calendar for any year;
Orbits of the planets;
Information about golden and blue hours for each day;
7 Homescreen widgets;
Possibility to set up notifications about certain upcoming events (sunrise, Fullmoon, etc);
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link to play.google.com (secure)]