The Smart Device Compare comparison

Aranet Radon One vs SwitchBot Meter Pro (CO2 Monitor)

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Aranet Radon One and SwitchBot Meter Pro (CO2 Monitor)

A summary of selected recorded differences between these air quality monitors. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Air Quality Alerts (alerts): Aranet Radon One — Yes (WHO-referenced color-coded radon alarm); SwitchBot Meter Pro (CO2 Monitor) — No.
Automations (features): Aranet Radon One — No; SwitchBot Meter Pro (CO2 Monitor) — Yes.
Alexa (integrations): Aranet Radon One — No (Aranet sensors are Bluetooth instruments read by the Aranet app or the Aranet PRO base station, with no Alexa skill); SwitchBot Meter Pro (CO2 Monitor) — Yes.
Apple Home (integrations): Aranet Radon One — No; SwitchBot Meter Pro (CO2 Monitor) — Yes.

Specifications to check side by side

Humidity Alerts (alerts): Aranet Radon One — No; SwitchBot Meter Pro (CO2 Monitor) — SwitchBot Hub required.
Temperature Alerts (alerts): Aranet Radon One — No; SwitchBot Meter Pro (CO2 Monitor) — SwitchBot Hub required.
2.4 GHz Wi-Fi (connectivity): Aranet Radon One — No; SwitchBot Meter Pro (CO2 Monitor) — SwitchBot Hub required.
Screen Type (display): Aranet Radon One — E-Ink; SwitchBot Meter Pro (CO2 Monitor) — LCD.

Information still to confirm

2 of 46 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Aranet

Aranet Radon One

Last updated October 2026

View full device profile

Option 2 · SwitchBot

SwitchBot Meter Pro (CO2 Monitor)

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

17differences with recorded values for every device

2rows with missing or unspecified information

Consider your setup

Apple Home

Aranet Radon OneNo
SwitchBot Meter Pro (CO2 Monitor)Yes

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Matter

Aranet Radon OneNo
SwitchBot Meter Pro (CO2 Monitor)SwitchBot Hub required

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Consider your setup

Battery Life

Aranet Radon One7 years
SwitchBot Meter Pro (CO2 Monitor)1 year

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 46 of 46 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Air Quality Alerts

Aranet Radon One: Yes
Catalog note
WHO-referenced color-coded radon alarm
SwitchBot Meter Pro (CO2 Monitor): No

Humidity Alerts

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): SwitchBot Hub required

Low Battery Alerts

Aranet Radon One: Yes
Catalog note
The Aranet Home app notifies when the battery is low on battery-powered devices.
SwitchBot Meter Pro (CO2 Monitor): Yes

Temperature Alerts

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): SwitchBot Hub required

Connectivity

2.4 GHz Wi-Fi

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): SwitchBot Hub required

5 GHz Wi-Fi

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Bluetooth

Aranet Radon One: Yes
SwitchBot Meter Pro (CO2 Monitor): Yes

Ethernet

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Other

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Thread

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Z Wave

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Zigbee

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Display

Color Screen

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Screen

Aranet Radon One: Yes
SwitchBot Meter Pro (CO2 Monitor): Yes

Screen Resolution

Aranet Radon One: Not recorded
SwitchBot Meter Pro (CO2 Monitor): Not recorded

Screen Size

Aranet Radon One: Not recorded
SwitchBot Meter Pro (CO2 Monitor): 3.6"

Screen Type

Aranet Radon One: E-Ink
SwitchBot Meter Pro (CO2 Monitor): LCD

Touch Screen

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Features

Automations

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): Yes

History Records

Aranet Radon One

Yes

SwitchBot Meter Pro (CO2 Monitor)

Yes

Manufacturer source

The app can export stored readings.

SwitchBot Meter Pro (CO2 Monitor) manufacturer product page →

Source section: Product description
Model: SwitchBot Meter Pro (CO2 Monitor)
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Local storage: 38 days | Server saves: Unlimited (requires Hub Mini)

Integrations

Alexa

Aranet Radon One: No
Catalog note
Aranet sensors are Bluetooth instruments read by the Aranet app or the Aranet PRO base station, with no Alexa skill
SwitchBot Meter Pro (CO2 Monitor): Yes

Apple Home

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): Yes

Google Home

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): Yes

Home Assistant

Aranet Radon One: Yes
SwitchBot Meter Pro (CO2 Monitor): Yes

Matter

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): SwitchBot Hub required

SmartThings

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): Yes

Power

Battery Life

Aranet Radon One: 7 years
SwitchBot Meter Pro (CO2 Monitor): 1 year

Battery Type

Aranet Radon One: 2x AA
SwitchBot Meter Pro (CO2 Monitor): 2x AA

Wired

Aranet Radon One

SwitchBot Meter Pro (CO2 Monitor)

USB-C

Manufacturer source

USB-C power is supported.

SwitchBot Meter Pro (CO2 Monitor) manufacturer product page →

Source section: Product description
Model: SwitchBot Meter Pro (CO2 Monitor)
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Sensors

Ambient Light

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Ambient Noise

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Atmospheric Pressure

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

CO₂

Aranet Radon One

SwitchBot Meter Pro (CO2 Monitor)

Yes

Manufacturer source

The monitor uses NDIR CO₂ sensing.

SwitchBot Meter Pro (CO2 Monitor) manufacturer product page →

Source section: Product description
Model: SwitchBot Meter Pro (CO2 Monitor)
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Humidity

Aranet Radon One

SwitchBot Meter Pro (CO2 Monitor)

Yes

Manufacturer source

Relative humidity is measured.

SwitchBot Meter Pro (CO2 Monitor) manufacturer product page →

Source section: Product description
Model: SwitchBot Meter Pro (CO2 Monitor)
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Nox

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Occupancy

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Pm01

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Pm03

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Pm1

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Pm10

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

PM2.5

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Radon

Aranet Radon One: Yes
SwitchBot Meter Pro (CO2 Monitor): No

Temperature

Aranet Radon One

SwitchBot Meter Pro (CO2 Monitor)

Yes

Manufacturer source

Temperature is measured.

SwitchBot Meter Pro (CO2 Monitor) manufacturer product page →

Source section: Product description
Model: SwitchBot Meter Pro (CO2 Monitor)
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different.

Document check only; not a hands-on test or verification of every regional or firmware variant.

TVOC

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Aranet Radon One: No
SwitchBot Meter Pro (CO2 Monitor): No

Specifications for Aranet Radon One versus SwitchBot Meter Pro (CO2 Monitor)
Specification	Aranet Radon One	SwitchBot Meter Pro (CO2 Monitor)
Alerts
Air Quality Alerts	Yes Catalog note WHO-referenced color-coded radon alarm	No
Humidity Alerts	No	SwitchBot Hub required
Low Battery Alerts	Yes Catalog note The Aranet Home app notifies when the battery is low on battery-powered devices.	Yes
Temperature Alerts	No	SwitchBot Hub required
Connectivity
2.4 GHz Wi-Fi	No	SwitchBot Hub required
5 GHz Wi-Fi	No	No
Bluetooth	Yes	Yes
Ethernet	No	No
Other	No	No
Thread	No	No
Z Wave	No	No
Zigbee	No	No
Display
Color Screen	No	No
Screen	Yes	Yes
Screen Resolution	Not recorded	Not recorded
Screen Size	Not recorded	3.6"
Screen Type	E-Ink	LCD
Touch Screen	No	No
Features
Automations	No	Yes
History Records	Yes	Yes Manufacturer source The app can export stored readings. SwitchBot Meter Pro (CO2 Monitor) manufacturer product page → Source section Product description Model SwitchBot Meter Pro (CO2 Monitor) Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Local storage: 38 days \| Server saves: Unlimited (requires Hub Mini)
Integrations
Alexa	No Catalog note Aranet sensors are Bluetooth instruments read by the Aranet app or the Aranet PRO base station, with no Alexa skill	Yes
Apple Home	No	Yes
Google Home	No	Yes
Home Assistant	Yes	Yes
Matter	No	SwitchBot Hub required
SmartThings	No	Yes
Power
Battery Life	7 years	1 year
Battery Type	2x AA	2x AA
Wired	No	USB-C Manufacturer source USB-C power is supported. SwitchBot Meter Pro (CO2 Monitor) manufacturer product page → Source section Product description Model SwitchBot Meter Pro (CO2 Monitor) Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different. Document check only; not a hands-on test or verification of every regional or firmware variant.
Sensors
Ambient Light	No	No
Ambient Noise	No	No
Atmospheric Pressure	No	No
Co	No	No
CO₂	No	Yes Manufacturer source The monitor uses NDIR CO₂ sensing. SwitchBot Meter Pro (CO2 Monitor) manufacturer product page → Source section Product description Model SwitchBot Meter Pro (CO2 Monitor) Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different. Document check only; not a hands-on test or verification of every regional or firmware variant.
Humidity	No	Yes Manufacturer source Relative humidity is measured. SwitchBot Meter Pro (CO2 Monitor) manufacturer product page → Source section Product description Model SwitchBot Meter Pro (CO2 Monitor) Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different. Document check only; not a hands-on test or verification of every regional or firmware variant.
Nox	No	No
Occupancy	No	No
Pm01	No	No
Pm03	No	No
Pm1	No	No
Pm10	No	No
PM2.5	No	No
Radon	Yes	No
Temperature	No	Yes Manufacturer source Temperature is measured. SwitchBot Meter Pro (CO2 Monitor) manufacturer product page → Source section Product description Model SwitchBot Meter Pro (CO2 Monitor) Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A SwitchBot hub is required for remote app alerts and cloud features. Local history and cloud retention are different. Document check only; not a hands-on test or verification of every regional or firmware variant.
TVOC	No	No
Uv	No	No

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology