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What's New in Fast
4.1
June 17, 2026
A beautiful new Fast is here. We've completely redesigned Fast: cleaner, more focused, and now yours to personalize. A stunning new look A redesigned timer with a glowing progress ring, refreshed glass-style cards, an updated calendar, and a brand-new app icon. See your fast at work New metabolic-phase tracking shows your body moving through Digesting, Burning Glycogen, Fat Burning, and Ketosis as the hours add up, so you always know what's happening inside. Make it yours Five new accent themes (Classic, Ember, Nocturne, Tide, and Coral), each with a matching Home Screen icon. Your color carries across the app, widgets, and Apple Watch. Statistics, your way Streaks, success rate, averages, and trends are now fully customizable, so your dashboard shows only the stats you care about. Polished everywhere The new design extends to Home Screen widgets, the Lock Screen and Dynamic Island Live Activity, and your Apple Watch. We also fixed a streak that could reset mid-fast, plus countless refinements throughout. Thanks for fasting with us. If you're enjoying the new Fast, a quick rating really helps.
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