Hopper
A design blueprint Spectr produced from Hopper. Scroll to look closer.
Hopper UI blueprint — build a price-prediction travel app
A complete spec of the Hopper iOS app — the price-prediction calendar heatmap, watch toggle, fare cards, and the bunny mascot — captured with the Hopper-red accent.
The reference for any flight, hotel, or price-tracking travel app. The buy/wait calendar heatmap and watch-price flow are documented to exact values.
Screens documented
- Home
- Price calendar
- Fare detail
- Watches
- Trips
- Profile
What a Spectr spec includes
Screen-by-screen documentation, complete design system (color, typography, spacing), navigation map, component library, implementation notes, and a Claude Code prompt — everything an AI coding agent needs to build.
Turnaround
Most mobile apps produce a full spec in under 90 seconds from a single screen recording. Upload your own MP4 and watch the blueprint generate live.
Why not a design file?
Design files don't compile. A Spectr spec is optimized for AI coding agents like Claude Code — it produces working code on the first prompt, not layered artboards.
Target stack
Every spec targets Expo SDK 54 and React Native on an iPhone 15 baseline. The Hopper blueprint translates cleanly into an Expo Router app structure.