Isochrone map widget — an interactive map that draws travel-time reach rings ⏱️🗺️ around the user and shows how many places are within reach 🚶‍♀️🚴‍♂️🚗. Switch between Walk, Bike, and Drive to instantly update coverage, surface only relevant POIs, and open a rich place card with quick actions (🎯 Center/Focus, 🧭 Route).

Functionality

• 🔘 One-tap mode chips (Walk/Bike/Drive) with mode-specific speeds & dynamic radius.

• 🟢 Concentric reach rings visualize coverage; live in-range POI counter.

• 📍 Marker clustering; tap to open a bottom sheet with name, photo, address + actions (🎯 Focus / 🧭 Route / ➕ Center).

• 📡 Works from current GPS or any map center; 🔄 Reset to clear overlays.

• 🎨 Smooth pan/zoom updates; adaptive light/dark styling.

Use cases

• ☕ “What’s within 15 minutes?” discovery for cafés, museums, gyms, etc.

• 🏠 Real-estate search: walkable/bikeable neighborhoods around a listing.

• 🌆 City guides & travel apps for local exploration.

• 🛒 Service coverage checks (courier radius, store catchment).

• 🎟️ Event planning: find venues reachable by attendees without long travel.

Keywords: isochrone map widget, reachable area, travel-time radius, drive-time polygon, walkability, bike radius, catchment area, poi clustering, bottom sheet, route action, geospatial filter, coverage rings, flutterflow custom map widget, accessibility map, proximity analysis