Built a Stock Trading UI with Slot-Machine Digit Flip in React Native
A trading screen where each digit of the price scrolls independently when it changes, like a slot machine reel. No animation library: the flip is built from React Native's own primitives. The effect is small, and it's the only reason anyone remembers the screen.
About this build
A trading screen where each digit of the price scrolls independently when it changes, like a slot machine reel. No animation library: the flip is built from React Native's own primitives. The effect is small, and it's the only reason anyone remembers the screen.
Built a Stock Trading UI with Slot-Machine Digit Flip in React Native π
flips independently like a slot machine reel π No library. No native module. Just Reanimated + a vertical strip of 0β9 behind an overflow:hidden clip. Price updates every 2.8s β each digit animates to its new position with spring physics. The whole price component is under 40 lines. Stack used:
- React Native Reanimated
- react-native-svg for the chart
Iβm available for freelance & contract React Native work β apps, features, UI implementation, you name it.


