What's your shot for the sake of it?
Or you'd rather have it in-camera?
(let alone the use of gimbal for other topic, right? ; )
Gyroflow is free and keeps your stuff untouched (if we can call it like that! : D)
Note: going on Catalyst browser, you just need to open your wallet there...
For some other interesting input on topic with some additional and useful cameraman techniques, click the link.
In the BMD world: https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=203401
And here is some tutorial somehow RED's related, among any device where motion data is recorded by the camera.