Open Settings in Lightglance and tap Language. Choose Automatic (follows your iPhone), Íslenska or English. The app switches straight away; widgets update within a few minutes.

To calculate where and when the sun and moon rise and set, and to fetch forecasts for where you are. Location is only used while you use the app. If you prefer, turn it off and use saved places. See the privacy policy.

Move away from metal, cars and magnets, then move your phone in a figure-of-eight a few times. Check that Settings › Privacy & Security › Location Services › System Services › Compass Calibration is on.

Tides currently cover Iceland only. We hope to add more countries later.

It combines space weather data from NOAA with darkness, moonlight and cloud cover. Aurora forecasts are uncertain by nature, especially more than a few hours ahead, so treat them as a guide and keep an eye on the sky.

Check that alerts are on in Lightglance, that notifications are allowed for Lightglance in iOS Settings, and that Focus modes are not silencing them. Alerts only arrive when the likelihood passes the level you set.

Tap the moon button at the top of the overview. You can also set it to turn on automatically after dark in Settings. Red light helps your eyes stay adapted to the dark.

Touch and hold the Home Screen or Lock Screen, tap Edit or Customise, then add widgets and find Lightglance.

Yes. Sun, moon, compass and saved shots work offline. Clouds, northern lights and alerts need a connection.