Our X8 device is only available under special request for research and education specifically in photonics. It’s not comparable to IBM Cloud devices and it doesn’t have a time limit.
I would encourage you instead to use any of the PennyLane simulators or plugins (you can find them in our devices page).
Have you used PennyLane devices before? The comparison at the bottom of our performance page can also be helpful when choosing what device to use.