Offline mapping app with custom layers
Mobile app that stores map tiles on your device and lets you add custom pins, notes, and routes without cell service. Turns your phone into a field notebook that syncs spatial data across devices.
What to look for
- 1Downloads map tiles for offline use before heading out
- 2Custom pin/marker creation with notes and photos
- 3Layer organization (separate food sources, wildlife sightings, etc.)
- 4GPX or KML export for sharing data
- 5Works on your phone's operating system
Skip
- Apps requiring subscription for basic offline features
- Cloud-only systems that don't actually store maps locally
Used for: Mapping food sources in industrial areas · Recording wildlife sighting locations · Documenting sustainability sites without cell coverage · Building custom urban exploration routes
Side quests that use it
Pick the adventure first; the gear follows.
Complete Urban Sustainability & Eco-Living Hub
Turn your city into a living sustainability textbook—one mapped site at a time.
Urban Wildlife & Ecology Integration Hub
The coyote den is three blocks from your apartment—you just haven't looked for it yet.
Food & Culinary Urban Exploration
The best food in your city hides behind unmarked doors and operates on word-of-mouth schedules.
Digital-Physical Hybrid Quest: Urban Tech Adventure
The city has two layers—most people only see one.
Urban Adventure Challenge Library
Your city has secret levels—here's the walkthrough guide.