# Yunokuni - HotSpring and Sauna — Find favorite hot spring

> Hot spring and sauna finder with location-based search and detailed filters. (iPhone/iPad app by Katsuhito Matsushima.)

- Source: https://appshunter.io/ios/app/yunokuni-hotspring-and-sauna/id1322528456 (this page in markdown: same URL + `.md`)
- Developer: [Katsuhito Matsushima](https://appshunter.io/developer/596585970)
- Category: Travel, Navigation
- Price: Free
- Rating: 1.00/5 from 3 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.1 · 30 MB
- Languages: American English, Japanese
- Released: 2017-12-11
- Data updated: 2026-06-05
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/yunokuni-hotspring-and-sauna/id1322528456/reviews.md

## What is Yunokuni?

Search for your ideal hot springs, public bath, and sauna based on your current location or travel destination!

Yunokuni is an application that allows you to search for hot springs not only by opening hours and fees, but also by detailed conditions such as open-air baths, saunas, water baths, and parking availability.
*Data is being added sequentially! *

- Search by distance from your current location or a specified location
 You can narrow down the search by distance from the center of the map screen on the app, so you can look up hot springs near your current location or planned travel destination.

- Support for finding your ideal hot springs and saunas with a variety of narrowing criteria
 There are a variety of criteria to narrow down your search, including open-air baths, saunas, water baths, carbonated baths, parking, free saunas, and the availability of shampoo.

- Browse the homepage
You can view the website from the facility's detail screen, so you can see photos and reviews.

- The color of the hot spring pins on the map will tell you whether the facility is open or in preparation.
You can see at a glance whether a hot spring is open or closed by the color of the pin on the map: green for open, red for in preparation or closed.

- Functions for logged-in users only
When you register your favorite facilities, they will be synchronized with the cloud and can be safely restored even if you reinstall the app or change your phone model.
You can also request the addition or modification of facilities.

Have a comfortable hot spring life in Yunokuni!

## Key features

- Location-based search
- Filter by amenities
- Open/closed status on map
- View facility websites
- Save favorite locations
- Request facility additions

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/yunokuni-hotspring-and-sauna/id1322528456/reviews.md

### 1/5 — 3 hot springs Tokyo, Japan

*2023-10-13, version 2.0.1*

The default settings for nothing, so nothing worked. I changed all the settings few times. I finally found three Hot Springs outside of Tokyo Japan was hoping for Hot Springs in North America United States., it’s very simple public knowledge that could’ve been added in about 10 seconds, max distance looks like 30 km it needs to be changed a ball to like 2000 km people like to go on vacation a hot spring so find me one within say walking distance is the wrong setting

### 1/5 — 起動しなくなりました

*2022-01-15, version 2.0.1*

よく利用させていただいていたのですが、
バージョンアップしたのかログインを誘導され、
ログインせずにデータをダウンロードしたら
トップ画面から動かず使えなくなりました。
いつもこのアプリで入浴施設探していたので、
大変悲しいです。

### 1/5 — Locations?

*2020-10-04, version 1.4.0*

Doesn’t even show locations of hot springs 🙄

### 4/5 — アプデで落ちるように．

*2020-08-30, version 1.3.0*

地図からの検索、サウナの有無などあらゆる戦闘アプリを試した中で一番理想的なアプリで重宝していたのですが、先日のアプデで開けなくなりました…。
【追記】
削除後再度落としたら開けるようになりましたがお気に入りは消えました…。

### 1/5 — Did not work as I thought it would

*2019-03-21, version 1.2.1*

Downloaded and indicated I needed to know the name of onset to search.  Thought it would identify the onsen in area.

### 5/5 — 情報がたくさんで使いやすい！

*2018-05-25, version 1.1.0*

操作がしやすい！
動きも滑らかで、情報も沢山あり、正確ですね。
ふとした時に行きたくなるけど、これがあればいつでもいける！
痒いところに手が届くアプリだと思い、この様なアプリがもっと世にあると助かります！

## Frequently asked questions about Yunokuni

### What is Yunokuni?

Yunokuni is a travel app designed to help users find hot springs, public baths, and saunas. It allows searching by location, opening hours, fees, and specific amenities like open-air baths and parking.

### How does Yunokuni help me find a hot spring near me?

You can search for hot springs based on your current location or a specified travel destination. The app displays results on a map, color-coded to show if facilities are open or in preparation.

### Can I filter hot springs by specific features?

Yes, Yunokuni supports filtering by a variety of criteria, including open-air baths, saunas, water baths, carbonated baths, parking availability, and whether shampoo is provided.

### What information can I see about a hot spring facility?

From the facility's detail screen, you can view its website, which often includes photos and reviews. The map also indicates if a facility is currently open or closed.

### Are there any features for logged-in users?

Logged-in users can register favorite facilities, which are synchronized with the cloud for backup. They can also request the addition or modification of facility information.

### Does Yunokuni have ads?

Yes, Yunokuni contains advertisements. This allows the app to remain free for users to download and utilize.

### What devices is Yunokuni available on?

Yunokuni is available for iPhone, iPad, and iPod devices. It is rated for ages 4 and up.

### When was Yunokuni last updated?

The latest version of Yunokuni, 2.0.1, was last updated on December 3, 2021. The app was originally released on December 11, 2017.

## Version history (last 5 releases)

### 2.0.1 — 2021-12-03

Fix some layout issues for iOS 14 devices.

### 2.0.0 — 2021-11-24

Thank you for visiting Yunokuni!
We have made some major changes this time.

1. Favorites data is now stored in the cloud.
This means that your favorite data will no longer be lost when you reinstall the app or change your phone model.
This change means that the favorites function is only available to users who are logged in.

2. It is now possible to report additions and modifications to the facilities.
The UI has been redesigned so that you can specify the details.
This function is also only available to users who are logged in.

3. Updated initial guidance
We have updated the guidance to make it easier for you to understand the functions of Yunokuni.
This guidance is also displayed to users who have already installed the software. It can also be displayed again at any time from the settings screen.

Thank you for your continued support of Yunokuni!

### 1.4.0 — 2020-08-31

-We have started to publish a list of facilities that have been taken measures based on the "Guidelines for Preventing COVID-19 Infections" formulated by the Japan Association of Sauna!
 You can user filter feature with it, so please use it!
-Information page has been added!

*Business hours and business days may be changed due to the effects of COVID-19. Please check the homepage button at the bottom of the details page for accurate information.
If you find any errors in the information, please contact us using the report button at the top right of the detail page.

### 1.3.1 — 2020-08-30

Help page was added.

### 1.3.0 — 2020-08-27

- Dark Mode.
- Fix minor issues.

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## More apps by Katsuhito Matsushima

- [IV Calculator for Pokemon GO](https://appshunter.io/ios/app/iv-calculator-for-pokemon-go/id1140365059)

All apps by Katsuhito Matsushima: https://appshunter.io/developer/596585970

## Related topics

[katsuhito matsushima](https://appshunter.io/ios/topics/katsuhito-matsushima)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*