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Android Apps > Lifestyle > OJ Microline® UWG4
OJ Microline® UWG4 icon

OJ Microline® UWG4

1.8.0
OJ Electronics
2.56
28 reviews
5,000+
Downloads
Free

The OJ Microline app lets you make the most of your OJ Microline® thermostats

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Screenshots by OJ Electronics, from the Google Play listing
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About OJ Microline® UWG4

OJ Microline® UWG4 is a lifestyle app developed by OJ Electronics.

Install Statistics

OJ Microline® UWG4 has been installed 5.4 thousand times. In the last 30 days, the app was installed 78 times.

User Ratings

OJ Microline® UWG4 is rated 2.56 out of 5 stars. The rating is based on 28 ratings.

App Information

OJ Microline® UWG4 is freely available from Google Play. The app size is 8.87 MB. The latest version available is 1.8.0. The last update was on August 14, 2025.

Technical Requirements

OJ Microline® UWG4 requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since October 2015.

OJ Microline® UWG4 is made and published by OJ Electronics. AppBrain is an independent app data site and isn't affiliated with OJ Electronics. The app name, icon, screenshots and description belong to OJ Electronics and are shown as published on Google Play.

Description by OJ Electronics (from Google Play)
The OJ Microline® UWG4 app lets you make the most of your OJ Microline® UWG4 Touch thermostats: use the app to remote control your home heating system from any location.
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App Performance Report

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Also available on the App Store

OJ Microline® UWG4 icon OJ Microline® UWG4
OJ ELECTRONICS AS
2.0
Free
33 ratings

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Google Play Rating history and histogram

4
1
7
4
9

Installs over time

OJ Microline® UWG4 has been installed 5.4 thousand times. Over the past 30 days, it has been installed 78 times.

Changelog of OJ Microline® UWG4

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Developer information for OJ Electronics

OJ Electronics

mobileapps@ojelectronics.com

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Comments on OJ Microline® UWG4 for Android

★★★★☆ Joffre Roberts · Dec 16, 2025
App will not boot half the time and when it does, there is major latency. You press a screen icon and seven seconds later it reacts. Unable to effect any changes in the programming remotely. Can't even turn it off or switch modes, it refuses to accept any changes. UPDATE: Have worked with the app to control floor heaters now for three years and during that time most bugs have been fixed. It has proven to be one of our better lifestyle apps. Wish it worked with Alexa though....
★★★★★ Tom Reynolds · Dec 1, 2019
Very nice simple interface to my floor heating controller. Easy to set up. Works perfectly. I love that I can monitor and control my floor heat from anywhere. Easy to make sure the floor is warm before we get home.
★☆☆☆☆ A Google user · Jan 18, 2018
1) you "cannot" power "off" the radiant floors just like the Honeywell Total Connect App. Really? 2) I tried to change the start/stop schedule times and changes are happening, but it seems a slow update response. I clicked on Save, exit the Microline App, re-started process, logging again, etc. and it seems to "slow" refres- Masri
★☆☆☆☆ Matthew Shapiro · May 23, 2021
App is suddenly showing my floor as set for 32 F and with an actual temp of 80 F. The latter is the correct set-point, confirmed by checking the stat. Changing the set point in the app also doesn't work anymore, the stat never updates. The app hasn't been updated in months, so this must be a server-side break. I've confirmed the stat is successfully hitting the OJT servers, so it's not some weird incorrectly-handled reachability issue either.
★★☆☆☆ Alexandre Brisebois · Mar 9, 2024
There are a few bugs that could be tended to, further more there could be more features included like controlling a groupe of thermostats as one. Being in Quebec, I'd love to be able to program the thermostats to easily adapt to peak events announced by Hydro-Québec.

Google Play Rankings for OJ Microline® UWG4

This app is not ranked

Technologies used by OJ Microline® UWG4

9 permissions · 5 libraries
Subscribe to see full permission and library details
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