Airthings sells air monitors and purifiers, which customers can pair with a mobile app in order to access the air measurements and various additional services.[1] The company's original app, first released in 2016 alongside its first smart monitor, was renamed Wave Gen 1 and retired on 1 October 2025. Customers must now use the newer Airthings app, which requires signing in to an Airthings account.[2]
Background
Airthings' first-generation monitors — the Wave, Wave Plus and Wave Mini — connect to a phone over Bluetooth Low Energy (BLE).[3] The Wave Gen 1 app organized each monitor under a location and a room name, such as "kid's bedroom" or "living room", and showed current readings, syncing status and the color-ring status for each device.[4] Users had to log in when setting up the app, but community reports indicate it then kept working over Bluetooth while the phone had no internet connection.[5]
Phasing out offline functionality
On 1 October 2025, Airthings retired the Wave Gen 1 app. The company states the old app no longer works, that monitors will not sync through it, and that it is no longer possible to log in.[2] The new Airthings app supports all of the company's home monitors, keeps the user's homes, devices and data history, and is free of charge — but customers must log in with their Airthings account credentials to use it.[2] Users on the Airthings community forum reported losing the old app's ability to check devices without an internet connection, while other long-time users stated the app had always required an account after the initial setup.[5]
Airthings' response
In its retirement FAQ, Airthings describes the switch:
Simply download the Airthings app from your app store. Then log in with your existing credentials, and you’re good to go. All of your homes, devices and data history will be there. Make sure you use the correct email address to log in!
The FAQ attributes the retirement to the old app's limits: "in order to deliver the richer experiences we wanted to, it became necessary to build a whole new app from the ground up."[2]
Workarounds
Owners of Airthings Wave Gen 1 monitors can instead pair them with the open-source Home Assistant platform, which reads measurements over Bluetooth and keeps the internet traffic on the local network.[3]
See also
References
- ↑ "Helps you understand the air you breathe". Airthings. 2025-11-24. Archived from the original on 2025-12-09. Retrieved 2026-10-28.
- ↑ 2.0 2.1 2.2 2.3 "FAQ: Retirement of the Wave Gen 1 app on October 1, 2025". Airthings. 2025-10-01. Archived from the original on 2026-01-28. Retrieved 2026-01-28.
- ↑ 3.0 3.1 "Airthings". Home Assistant. 2025-11-24. Archived from the original on 2026-01-18. Retrieved 2026-10-28.
- ↑ "Wave Gen 1 app: understanding the layout". Airthings. Archived from the original on 2025-12-07. Retrieved 2025-12-07.
- ↑ 5.0 5.1 No-Journalist9002 (2025-01-22). "When did login become a requirement?". Reddit. Archived from the original on 2026-10-29. Retrieved 2026-10-28.
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