Radon Sniffer

Connect to CT007R Radon Sniffers and Alpha Sniffers for radon monitoring

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Previous Versions

Radon Sniffer 4.7.33 APK

June 22, 2025 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: d826f9105401ac2503a1a0f89837d2c869c6bcad

Size: 2.78 MB

What's New:

- Fixes for Thoron procedure and pump control.

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Radon Sniffer 4.7.32 APK

May 24, 2025 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: b914eb3266c859b534c8656b0e98062b86e33c4c

Size: 2.78 MB

What's New:

- Adjusted counts to Bq/m3 conversion factor (user custom factors still apply).
- App conversion factor can now to updated without being connected to sniffer.

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Radon Sniffer 4.7.31 APK

March 11, 2025 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: 51754e807d9809edf35ad103b30bba657c432afa

Size: 2.78 MB

What's New:

Improved thoron procedure UI, added disconnect confirmation.

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Radon Sniffer 4.7.30 APK

February 20, 2025 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: d5b5d98d92d59c734da59c9151bd01ae57da6e72

Size: 2.78 MB

What's New:

Updated buttons for Thoron tab.
Now require the user to confirm they wish to disconnect from a device.

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Radon Sniffer 4.7.27 APK

January 9, 2025 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: d9840ea4e4ece8b52c9036a97d6ad15f4e91150c

Size: 2.78 MB

What's New:

- Added optional tab for radon in water testing.
- New Thoron procedure to determine the ratios of Rn222 and Rn220 present in a sample.
- Bug fixes.

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Radon Sniffer 4.7.25 APK

December 29, 2024 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: 800dadd0abe7c5d147c84c29c3e6262a807f5f92

Size: 2.78 MB

What's New:

- Added optional tab for radon in water testing.
- New Thoron procedure to determine the ratios of Rn222 and Rn220 present in a sample.

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Radon Sniffer 4.7.24 APK

November 4, 2023 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: b8975d4ef1e05bff1a6bf404a12e063b412eeb1e

Size: 2.78 MB

What's New:

- Fix for crash caused by language localization.

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Radon Sniffer 4.7.23 APK

October 15, 2023 2.78 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: 96d95728a824101bb9ffae9c6364d9ab1d18135f

Size: 2.78 MB

What's New:

- Support for newer Android versions.
- Support for Android 12+ permissions.

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Radon Sniffer 4.7.22 APK

April 19, 2022 2.82 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: 8807f7a968a3c80492fc6672d42feb087f4242e1

Size: 2.82 MB

What's New:

- Fixed naming issues with some devices.
- Fixed connection issues with some devices.
- No longer displaying "Unknown Devices" on Bluetooth scans.
- Connections now cancelable.
- Legacy data logging removed. All data logging should now be done through the live graphing system.

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Radon Sniffer 4.7.21 APK

October 27, 2021 2.82 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: bea463d60535b78fc3744ce02a9a62347b8cd982

Size: 2.82 MB

What's New:

- Fix for firmware update issue

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Radon Sniffer 4.7.18 APK

September 27, 2021 2.82 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: dcb09beae9610614c2a969bc64284834f7060282

Size: 2.82 MB

What's New:

- Fixed changing units on Alpha Sniffers

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Radon Sniffer 4.7.16 APK

July 21, 2021 2.81 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: 5a32718f4470ff5cf94ca4ddbe14e9f075e41acb

Size: 2.81 MB

What's New:

- Fixed units not changing properly on archived graph
- Changed ratio to use proper activity number
- Save users unit preference
- Fixed Thoron testing conversion factor
- Added smart mode switch

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Radon Sniffer 4.7.11 APK

June 18, 2021 2.81 MB

Requires Android: Android 5.0+

Screen DPI: 120-640dpi

SHA1: 5fe5b24541a00c5770ef0637a315b48fca034397

Size: 2.81 MB

What's New:

- Added new Thoron features

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Radon Sniffer 4.7.10 APK

March 11, 2021 3.01 MB

Requires Android: Android 4.3+

Screen DPI: 120-640dpi

SHA1: 6fc732ebfedde974031120d501e44a0fb7d8ac02

Size: 3.01 MB

What's New:

- Fixed units not being unified
- Added support for 3 digit devices

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Radon Sniffer 4.7.9 APK

January 23, 2021 3.01 MB

Requires Android: Android 4.3+

Screen DPI: 120-640dpi

SHA1: 5d9331b516fa1646fc8cdf0885c9688650045932

Size: 3.01 MB

What's New:

- Will now always save recordings instead of only ones with 100 data points
- Updated UI

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Radon Sniffer 4.7.7 APK

December 30, 2020 3.01 MB

Requires Android: Android 4.3+

Screen DPI: 120-640dpi

SHA1: 5b2d34e6d108f3d359ef89439b18b8ccddd305e0

Size: 3.01 MB

What's New:

- Fixed exporting
- Added legacy labels to legacy logging methods

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Radon Sniffer 4.7.6 APK

September 24, 2020 3.74 MB

Requires Android: Android 4.3+

Screen DPI: 120-640dpi

SHA1: 0efe4967cd6f83df067ee083801181136cdff6d6

Size: 3.74 MB

What's New:

- Fixed exporting on API 24+

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