Archived App (Last seen on 9 Sep 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This utility app provides a dimmable clock display ideal for nighttime use. It automatically adjusts screen brightness based on the time of day and can show sunrise/sunset times. It also offers an optional external temperature display via weather services.
What's New in Helios Clock
2.0.5
January 31, 2017
With the use of the Netatmo station, the trend of the temperature now appear with it. Also some fixes for display problems.
FAQ
Does Helios Clock have ads?
Helios Clock is free and does not contain advertisements.
What devices does Helios Clock support?
Helios Clock is available for iPhone, iPad, and iPod touch devices.
How does Helios Clock adjust brightness automatically?
Helios Clock automatically adjusts its brightness based on whether it is day or night, dimming the screen for nighttime readability and increasing it during the day.
Can I see sunrise and sunset times with Helios Clock?
Yes, Helios Clock can display the time of sunrise and sunset. It requires GPS coordinates from your iPhone to provide this information.
How do I temporarily restore normal brightness in Helios Clock?
To temporarily restore normal brightness, tap the screen once. Tap again to return to the low brightness setting.
What is the age rating for Helios Clock?
Helios Clock has an age rating of 4+, making it suitable for a wide range of users.
How often is Helios Clock updated?
The latest version of Helios Clock, 2.0.5, was last updated on January 31, 2017. Updates typically include bug fixes and feature enhancements.
Can Helios Clock display the external temperature?
Yes, Helios Clock can display the external temperature at your location using either Yahoo Weather or your Netatmo Weather Station, provided you grant location services or Netatmo login credentials.