lüft - SunRADON

lüft - SunRADON

Mobile App for lüft Monitors

8 ratings
7 reviews
Free

Details

  • Released
  • Updated
  • July 3, 2020
  • May 23, 2025
lüft - SunRADON screenshot #1 for iPhone
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About

Monitor your indoor air quality from anywhere with real-time sensor readings and visual alerts. Track trends, receive custom notifications, and analyze mold and outdoor air risks. Integrates with other devices and allows data sharing with professionals.

Real-time IAQ sensor readings
Traffic light color-coded alerts
Indoor Mold Risk Indicator
Outdoor Air Quality Risk Indicator
Trend charts for short/long-term fluctuations
Custom alerts and notifications
Nightlight function programming
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What's New in lüft

1.17

May 23, 2025

Bug fix when reconnecting WiFi

User reviews

Stopped working

App just locks up now when I open it. No chance to reset or reconnect or anything.

App crushes continuously

Great device, the App is a complete disaster. Can’t sign up from iPhone. I created a profile with another device.. it randomly disconnects. Now completely stopped working for an undisclosed “error”

Works but could use improvement.

It complains and fails to work if you don’t allow it to use location services and it requires a restart after you do give access in order for it to connect. It also requires you create an account. It does not allow upgrading the firmware using a Bluetooth connection, only works via 2.4 ghz WiFi. It requires hitting a not so obvious sync icon in order to get the current meter readings. It sets a lot of device settings on first run after creating an account but I could find any way to change these later. The temperature reading is sometimes inaccurate and seems to be off due to the Lüft device heat. It’s hard to find and difficult to set the threshold settings because they’re unusual, not simple, and non-intuitive. I had to enter my WiFi settings multiple times because it doesn’t give any error message when it doesn’t work, it just doesn’t work. The “trick” to get WiFi to work is to restart the app after giving all required location and Bluetooth permissions before entering the WiFi settings. I felt it unnecessarily intrusive on my privacy.
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Can’t get past set up

I downloaded the app and it won’t let me set up a new account even though I’m meeting all the password requirements. I keep getting error messages. Worthless!

Connection issues

I have two Radon devices in our house. One upstairs and one downstairs. After initial set up, one device will work. After you connect the second one neither device works. Really frustrating and not worth the money if you can’t receive accurate feedback.

Developer apps

FAQ

What is lüft used for?

lüft is a mobile app designed to monitor your indoor air quality. It provides real-time sensor readings, visual alerts for elevated levels, and analysis of mold and outdoor air risks.

How does lüft help improve air quality?

lüft allows you to set up custom alerts for when air quality thresholds are reached, prompting you to take action. Trend charts help identify fluctuations based on ventilation and weather, enabling informed decisions.

Can I share my air quality data with others using lüft?

Yes, the lüft app allows you to securely share your indoor air quality data with indoor-air-quality professionals of your choice.

What kind of sensor readings does lüft provide?

lüft provides access to six IAQ sensor readings at once, visualized with a traffic light color-coding system to quickly indicate elevated or dangerous levels.

Does lüft offer historical air quality data?

Yes, lüft includes built-in trend charts that let you review short- and long-term fluctuations from a single day up to a year. You can also download trend data for in-depth analysis.

What devices is lüft compatible with?

lüft is available for iPhone and iPod devices. The app is rated for ages 4 and up.

How often is lüft updated?

The latest version of lüft is 1.17, and it was last updated on May 23, 2025. Updates typically address bug fixes and feature enhancements.

What is the user rating for lüft?

lüft has a user rating of 2.6 stars based on 8 ratings. This indicates a mixed reception from users.