Example · shortened
A mobile app that lets dog owners share walkable routes with off-leash zones and water points in their city.
1. How crowded is this?
6/10 · Crowded. 5 apps in the App Store and 35 GitHub projects around "walkable routes".
2. Who beat you to it
- DOGES - Map & Track Dog Walks · ★ 4.7 from 181 ratings · free
Matches your idea on: dog, routes
- Walkable: Explore Your City · ★ 4.4 · free
Matches your idea on: walkable, routes, city
- …plus 3 more apps, 6 open-source projects and what Hacker News said.
3. Where the gap is
Nobody we found mentions off-leash. That's your possible angle, or the reason nobody bothered.
All 5 apps are free, so you'd compete with free.
4. Are you the right person?
Five honest questions, then your verdict:
Probably don't
Do this instead: Try DOGES first. It probably does what you need.