Sloww: Sun & Moon Phase Clock
24-Hour Solar & Lunar Clock
About
Visualize your day with a 24-hour clock that shows the sun's position, twilight phases, and moon activity. Track celestial events, enjoy a dark mode for night, and access breathing exercises. Integrates with Siri and offers customizable widgets.
What's New in Sloww
1.2.1
June 26, 2026
SLOWW ON APPLE WATCH The whole clock face now lives on your wrist — sun, moon, and twilight rings drawn from your watch's own location, with Always-On to keep it glanceable. Tap a Sloww complication to open it. APPLE WATCH COMPLICATIONS Two complications bring the sky to your watch face. Sloww Sun shows the sun's arc through the day and the next light event; Sloww Moon shows tonight's phase with moonrise and moonset. Four families each, from corner to rectangular. Plus small fixes and refinements.
MoreFAQ
What is Sloww?
Sloww is a 24-hour clock app that visualizes your day based on the sun and moon. It shows daylight, twilight, golden hour, and moon phases in a unique circular format.
Does Sloww have ads?
No, Sloww is ad-free. The app is designed for privacy and does not contain any advertisements.
How much does Sloww cost?
Sloww is a paid app, available for a one-time purchase of $4.99. This purchase includes all features with no additional subscriptions or in-app purchases.
What devices does Sloww support?
Currently, Sloww is available for iPhone. It is designed to work beautifully at every latitude.
How often is Sloww updated?
The app was last updated on April 18, 2026, with version 1.1. Updates typically include new features and improvements based on user feedback and astronomical data.
Can I ask Siri about weather with Sloww?
Yes, Sloww integrates with Siri. You can ask about sunrise, sunset, moon phase, or the shape of your day using voice commands.
What are the privacy features of Sloww?
Sloww is designed for privacy. Your location is only used for astronomical calculations and never leaves your device. There is no analytics, tracking, or subscriptions.
Does Sloww offer offline functionality?
The core functionality of Sloww, which relies on astronomical calculations, is available offline. Widgets and Siri integration may require an internet connection for real-time data.