Animate Number Changes in SwiftUI
November 7, 2025·1 min read·by dockui
One of the most visually satisfying micro-interactions in modern iOS UI is animated number change. Finance apps, stats dashboards, fitness progress — they all use smooth numeric transitions. So naturally, “SwiftUI animate number change” is a top searched question.
Best modern method (iOS 17+)
Use .contentTransition(.numericText()).
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Try it in action: Check out Crypto Profit & Loss Calculator on the App Store — it uses this animated number change effect for instant crypto profit visuals.
Older iOS (15 / 16) fallback
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Just animate a SECOND number that displays.
User sees smooth change.
Bonus: animate formatting (currency)
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Works with any style: percent, integer, decimal, etc.
Key takeaways
- use .contentTransition(.numericText()) on iOS 17+
- wrap number increments inside withAnimation { }
- older OS → animate a separate numeric state
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