# エアミル2B

> エアミル2B (iPhone/iPad app by RATOC Systems, Inc..)

- Source: https://appshunter.io/ios/app/2b/id1584092359 (this page in markdown: same URL + `.md`)
- Developer: [RATOC Systems, Inc.](https://appshunter.io/developer/568725272)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 22 MB
- Languages: English, Japanese
- Released: 2021-10-24
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/2b/id1584092359/reviews.md

## What is エアミル2B?

1] Application Overview
This is an application that displays the measured values and graphs of temperature, humidity, CO2 concentration, and PM2.5 measured by RATOC System's Bluetooth environment sensor RS-BTEVS1.

[2] Features
Displays values for temperature, humidity, CO2, and PM (1.0, 2.5, 4.0, 10.0)
Displays measurement data in a graph
Save measurement data in CSV file


## Version history (last 5 releases)

### 1.2.5 — 2026-06-25

Fixed issues with CSV saving and QR code scanning

### 1.2.4 — 2024-12-23

Fixed a bug that caused the CO2 value to be displayed incorrectly.
Fixed a bug that caused the value to revert to the default settings when connecting manually.
Automatically adjusts the vertical axis range of the graph.
Added a function to zoom in and out of the graph.

### 1.1.1 — 2022-12-01

- Supported for display in English
- Fixed a crash problem with missing sensors when multiple sensors are registered
- Fixed other minor bugs

### 1.1.0 — 2022-06-28

[Contents of RS-BTEVS1 Ver.1.2.2 firmware update]
Supported multi-link.
Changed the "Manufacture Specific Company Id" in the Advertise data to RATOC Id "0x0B60".



[Application updates]
Changed so that multiple environmental sensors can be measured at the same time.
Fixed other minor bugs.

### 1.0.2 — 2021-12-13

[Contents of RS-BTEVS1 Ver.1.1.2 firmware update]
Measurement of temperature to the first decimal place

[Application updates]
Fixed the problem that the line graph is not updated when used for a long time
Fixed the problem that multiple data of the same time were created and the line graph became comb-like

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## More apps by RATOC Systems, Inc.

- [WiConnect](https://appshunter.io/ios/app/wiconnect/id863802018)
- [BTWATTCH](https://appshunter.io/ios/app/btwattch/id887695333)
- [Learning Remocon](https://appshunter.io/ios/app/learning-remocon/id890694056)
- [WiDrawer2](https://appshunter.io/ios/app/widrawer2/id955370800)
- [紛失防止タグ](https://appshunter.io/ios/app/id981791054)
- [スマート家電コントローラ](https://appshunter.io/ios/app/id1063944197)

All apps by RATOC Systems, Inc.: https://appshunter.io/developer/568725272

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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 2026-07-17.*