Refresh Rate Changer - OnePlus is a free application developed by Labros Labropoulos, designed to fix the scaling issue introduced on OnePlus 7 Pro after the release of a11. The app has two buttons that execute two different adb shell commands to lock the refresh rate to 90hz. The app is an open-source project and its code can be found on the GitHub repository.

With the help of this app, users can easily fix the scaling issue and lock their screen refresh rate to the maximum. The app is simple and easy to use, making it a must-have for OnePlus 7 Pro users. Refresh Rate Changer - OnePlus falls under the category of Utilities & Tools and is specifically designed for OnePlus users.