A clock built around the sky
The dial starts from the horizon: a flat line splits the face into sky above and ground below, and the sun and moon hands move across it in real time. The hours compress and stretch with the true length of day and night at your location - longer days fill more of the face.
Moon phase, illumination, and the four sky events
See exactly where the moon is in its cycle - new moon through full moon - and how much of it is lit right now, alongside sunrise, sunset, moonrise, and moonset, with countdowns to the next event and times for the one after that.
Know exactly where to look
The moon's elevation and compass bearing update live, so you know where in the sky to look. Moon Details names the single best moment to step outside tonight, which way to face, and how high above the horizon - with a 10-day cloud-cover outlook from Apple Weather so you know what the night sky will actually show.
A month of sky ahead
A lunar calendar shows the month ahead - full moons, new moons, solstices, and equinoxes - so you never miss a major sky event.
Quiet alerts
Get a gentle nudge 55 minutes before the moon rises or sets, at a time that suits you - morning coffee or winding down at night. One notification with everything you need: when to be outside, where to look, and how long you have.
Widgets for every surface
A live clock on your iPhone home screen, Lock Screen, and StandBy. Choose from widget styles including Timeless, Space Race, Classical, Concise, and Peekaboo - from clean dot faces to richly detailed, precision-read clock faces - in light, dark, or automatic appearance.
Private by design
aluni runs entirely on your device. No account, no ads, no tracking - and all celestial calculations work without an internet connection.
23 languages
The app and this website are localized in 23 languages, including English, Spanish, French, German, Japanese, Chinese, and Arabic.
Free vs aluni+
aluni is free to download and use, with all core sky data included. aluni+ is an optional yearly subscription that unlocks more themes and worldwide location search - and supports the small independent studio behind the app.
| Feature | Free | aluni+ |
|---|---|---|
| Price | Free | Yearly subscription |
| Moon phase, illumination, sunrise, sunset, moonrise, moonset | Included | Included |
| Live clock widgets (home screen, Lock Screen, StandBy) | Included | Included |
| Lunar calendar, alerts, and viewing forecasts | Included | Included |
| Hand-crafted themes | 3 themes | All 12 themes |
| Locations | Your location + preset cities | Search anywhere on Earth |
| Ads and tracking | None | None |
| Works offline | Yes | Yes |
How aluni compares
Straight side-by-side comparisons with other moon apps for iPhone, including where they beat aluni.
Contact Us
Questions, partnership ideas, or just want to say hello? We read every message.