Lists and alerts
Observing lists and alerts for your objects
Collect the objects you want to follow in your own lists, and get a notification when a value crosses a threshold.
- Which planets are highest right now?
- Which bright stars are above the horizon?
- Let me know when Jupiter reaches an altitude of 20°
Lists with the columns you need
Choose columns, sort objects, switch between row and table layouts and see changes over time in a chart.
Smart lists
Solar system, planets, brightest stars, named stars, objects above the horizon and brightest objects: lists that stay up to date automatically.
Alerts
Receive a local notification when a value rises above or falls below a threshold, such as an object rising, setting or reaching a chosen altitude.
The Sun and Moon are available in the default list for free. Additional objects, list management, smart lists and alerts are part of the full version.
Frequently asked questions
Do alerts need an internet connection?
No. They are local notifications on your iPhone.
Can I create more than one list?
Yes.
Which values can I monitor?
These include rise, set and altitude above the horizon.
Learn more in the guides
Download Apphemeride
Free to download. The Sun and Moon are always free. Unlock the remaining features with the full version: a one-time purchase after a three-day trial, with no subscription.
