No, all action cameras do not have the same mount. In fact, there are a variety of action camera mounts available on the market, each designed for a specific purpose. The most common action camera mounts are the GoPro mount, the Contour mount, and the Sony Action Cam mount. Each of these mounts has its own advantages and disadvantages, so it's important to choose the right one for your needs.
The GoPro mount is the most popular action camera mount on the market. It's compatible with all GoPro cameras, and it's designed for use with a variety of accessories. The GoPro mount is easy to use and it's relatively inexpensive. However, it's not the most durable mount available, and it can be difficult to remove the camera from the mount.
The Contour mount is a more expensive option, but it's much more durable than the GoPro mount. The Contour mount is also compatible with a variety of accessories, and it's easy to use. However, the Contour mount is not compatible with all action cameras, and it can be difficult to remove the camera from the mount.
The Sony Action Cam mount is the most expensive option, but it's also the most durable. The Sony Action Cam mount is designed for use with Sony Action Cameras, and it's not compatible with any other action cameras. The Sony Action Cam mount is easy to use, but it can be difficult to remove the camera from the mount.