# Smart Buoy

> Marine environment data viewer for water temperature, salinity, currents, and more. (iPhone/iPad app by Future University Hakodate.)

- Source: https://appshunter.io/ios/app/smart-buoy/id625171145 (this page in markdown: same URL + `.md`)
- Developer: [Future University Hakodate](https://appshunter.io/developer/525956874)
- Category: Weather, Utilities
- Price: $16.99
- Age rating: 4+
- Requires: iOS 15.0 · 2 MB
- Languages: Japanese
- Released: 2013-04-08
- Data updated: 2026-07-04
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/smart-buoy/id625171145/reviews.md

## What is Smart Buoy?

Smart Buoy is an iPhone application that shows marine environment such as water temperature. It shows data such as water temperature, salinity, tidal current, chlorophyll, and dissolved oxygen observed with the smart buoy. This application is a viewer for the marine environment, so you need to install the smart buoy in the sea by yourself.

■Functions
-Text view
-Graph view
-Map view
-Photo view
-Detail view  

■Note
This application is intended to share the marine environment observed by the smart buoys. The operation of smart buoys is a volunteer activity and does not guarantee continuous data provision.

■URL
http://www.buoy.jp/

## Key features

- Water temperature display
- Salinity and tidal current data
- Chlorophyll and dissolved oxygen readings
- Text, graph, and map views
- Photo viewing capabilities
- Detailed data exploration

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/smart-buoy/id625171145/reviews.md

### 1/5 — 最悪

*2013-12-01, version 1.1*

欲しい情報全くなし
関東中部関西の情報がない

### 1/5 — サギだな

*2013-06-24, version 1.0.1*

とこの水温だよ まったく使えない

### 1/5 — ふざけてる

*2013-04-12, version 1.0*

ブイ設定のできる地域が北海道、東北、沖縄だけと記載すべき。
ゴミ箱直行。

## Frequently asked questions about Smart Buoy

### What kind of marine data does Smart Buoy show?

Smart Buoy displays data such as water temperature, salinity, tidal current, chlorophyll, and dissolved oxygen. This information is observed and collected by smart buoys.

### How do I get data into Smart Buoy?

Smart Buoy is a viewer for marine environment data. To use it, you need to install a smart buoy in the sea yourself to collect the data.

### Does Smart Buoy work offline?

The description does not specify offline functionality. As it relies on data from a physical buoy, an active connection to the buoy's data stream is likely required.

### What devices does Smart Buoy support?

Smart Buoy is an iPhone application and supports iPhones and iPods. It is not available for Android devices or other platforms.

### How often is Smart Buoy updated?

The latest version is 3.2.0, last updated on February 17, 2023. This indicates the app is maintained, though update frequency may vary.

### Is Smart Buoy suitable for children?

Smart Buoy has an age rating of 4+, making it suitable for young users. The content focuses on environmental data and does not contain mature themes.

### What are the different views available in Smart Buoy?

Smart Buoy offers multiple ways to view data, including text view, graph view, map view, and photo view. There is also a detail view for in-depth information.

### Does Smart Buoy have ads?

Smart Buoy does not contain advertisements. The application is a paid download and focuses on providing data without interruptions.

## Version history (last 5 releases)

### 3.2.0 — 2023-02-17

- support iOS 16

### 3.1.2 — 2021-11-08

- Improve stability

### 3.1.1 — 2021-10-09

- iOS 15に対応しました

v3.1.0
- サーバを変更しました
- 地図ページを詳細ページに統合しました
- 一覧ページを追加しました

### 3.1.0 — 2021-09-27

- サーバを変更しました
- 地図ページを詳細ページに統合しました
- 一覧ページを追加しました

### 3.0.0 — 2020-06-10

- Change app name to Smart Buoy
- Support iOS 13
- Improve UI

## Apps similar to Smart Buoy

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [ハロー波浪！](https://appshunter.io/ios/app/id1576163852) | — | Free | Weather |
| [SailFlow: Sailing Forecasts](https://appshunter.io/ios/app/sailflow-sailing-forecasts/id555309964) | 4.7 (5,437) | Free | Weather |
| [そら案内](https://appshunter.io/ios/app/id1046448102) | 4.3 (20,838) | Free | Weather |
| [月読君](https://appshunter.io/ios/app/id366975354) | 4.0 (35) | $1.99 | Weather |
| [海天気.jp - 海の天気予報アプリ](https://appshunter.io/ios/app/jp/id1641843175) | — | Free | Weather |
| [潮汐 - Tide](https://appshunter.io/ios/app/tide/id1600592667) | 4.0 (32) | Free | Weather |

## More apps by Future University Hakodate

- [はこだてMap+ ～まちあるきで発見！おすすめ観光コース～](https://appshunter.io/ios/app/map-plus/id744881889)
- [おさかな日和](https://appshunter.io/ios/app/id955669178)
- [MICT-S](https://appshunter.io/ios/app/mict-s/id1434503386)
- [MICT-L](https://appshunter.io/ios/app/mict-l/id1440565578)
- [石別散策](https://appshunter.io/ios/app/id1492296145)

All apps by Future University Hakodate: https://appshunter.io/developer/525956874

---

*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 2026-07-04.*