No Cover ONSEN - Tattoo OK

No Cover Onsen helps you find tattoo-friendly onsens across Japan with confidence.

Browse onsens on a map, explore by region, and check important details before you visit. Each listing is designed to make tattoo policies easier to understand at a glance.

Key features:
- Find onsens across Japan on a map
- Browse onsens by region
- Check tattoo policy quickly
- See whether cover stickers are required
- Check private bath availability
- View confidence labels such as official, user-reported, or unverified
- Save onsens you want to visit
- Keep track of places you have visited
- Use the app in English or Japanese

No Cover Onsen is built for travelers and locals who want a simpler way to discover onsens that may welcome guests with tattoos.