# Radon Sniffer

> Companion app for CT007R Radon Sniffers to monitor and configure radon levels. (iPhone/iPad app by Environmental Instruments Canada Inc..)

- Source: https://appshunter.io/ios/app/radon-sniffer/id1271539715 (this page in markdown: same URL + `.md`)
- Developer: [Environmental Instruments Canada Inc.](https://appshunter.io/developer/1223543930)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 14 MB
- Languages: English
- Released: 2017-08-16
- Data updated: 2026-07-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/radon-sniffer/id1271539715/reviews.md

## What is Radon Sniffer?

This is a companion app for CT007R Radon Sniffers. Connect to your CT007R via Bluetooth Low Energy and you can monitor radon levels in real time, expand the usage of your CT007R with timed runs and configurable settings.

For more information on CT007R Radon Sniffers, visit: http://radonsniffer.com/

## Key features

- Real-time radon level monitoring
- Bluetooth Low Energy connectivity
- Timed run functionality
- Configurable device settings
- Companion app for CT007R hardware

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/radon-sniffer/id1271539715/reviews.md

### 5/5 — Good

*2023-01-25*

This app is simple and quick.

## Frequently asked questions about Radon Sniffer

### Does Radon Sniffer have ads?

No, Radon Sniffer is ad-free. The app does not contain any advertisements, providing an uninterrupted user experience.

### What devices does Radon Sniffer support?

Radon Sniffer is compatible with iPhone, iPad, and iPod devices. It utilizes Bluetooth Low Energy to connect with the CT007R Radon Sniffer hardware.

### How often is Radon Sniffer updated?

The latest version of Radon Sniffer is 1.0.15, last updated on March 17, 2026. While the last update date is in the future, the app was initially released on August 16, 2017.

### What is the age rating for Radon Sniffer?

Radon Sniffer has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### Can Radon Sniffer be used without a CT007R Radon Sniffer device?

No, Radon Sniffer is a companion app specifically designed to work with the CT007R Radon Sniffer hardware. It requires this device to monitor radon levels.

### What information can I get from Radon Sniffer?

Radon Sniffer allows you to monitor radon levels in real-time. You can also set up timed runs and configure various settings for your CT007R device.

### Where can I find more information about CT007R Radon Sniffers?

For additional details on CT007R Radon Sniffers, you can visit the official website at http://radonsniffer.com/.

## Version history (last 5 releases)

### 1.0.16 — 2026-07-01

- Reliability improvements for long running graphing/data logging sessions.
- Fix for file export email sharing.

### 1.0.15 — 2026-03-17

- Fix for crash when logging data for more than 5 hours.

### 1.0.14 — 2025-05-06

- Added confirmation prompt when disconnecting
- Added secure settings feature 
- Adjusted counts to Bq/m3 conversion factor

### 1.0.13 — 2025-02-28

Updated Thoron procedure UI.

### 1.0.12 — 2025-01-23

Revised Thoron procedure UI.

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## More apps by Environmental Instruments Canada Inc.

- [GammaGuard](https://appshunter.io/ios/app/gammaguard/id1223543931)
- [GammaGuard 2.0](https://appshunter.io/ios/app/gammaguard-20/id1567442887)

All apps by Environmental Instruments Canada Inc.: https://appshunter.io/developer/1223543930

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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 2026-07-04.*