DawnDuo — Sunrise alarm. Designed for iPhone Duo. Developer: Julian Zefferer, Berlin Website: https://julianzett.com/dawnduo/ App Store: https://apps.apple.com/app/id6813894926 Contact: hello@julianzett.com Available now for iPhone and iPad, iOS/iPadOS 26.1 or later. Single purchase. German App Store price: EUR 4.99. Other storefront prices vary. Languages: English, German, French, Spanish, Italian, Japanese, Simplified Chinese. No subscription, account, advertising, analytics or tracking services in the app. The display gradually brightens over 10, 15, 20, 30 or 45 minutes before the alarm. iPhone Duo: half-open bedside layout with light above the fold and clock/controls below. Closing the device while the alarm rings snoozes for nine minutes. Five optional morning sounds; optional flash-LED wall light on supported devices. The light requires the app open in the foreground with the display unlocked. The AlarmKit system alarm works independently with alarm permission. Widget for the next alarm and Live Activity for the snooze countdown. Media notes: films render the existing website scene, with the sunrise accelerated. Stills reuse the existing localized App Store artwork. Device imagery is rendered product artwork, not filmed hardware. Provided for editorial coverage of DawnDuo. Credit: DawnDuo / Julian Zefferer. Please retain factual feature descriptions and do not imply an endorsement by Apple. Updated: 22 October 2026.