@liamrobertson221 , I think you’ll find any closed-loop system (where the pump/Pod reacts to CGM trends) a huge improvement. I won’t repeat the typing I did in the Tandem Mobi FDA approval discussion. I’m Podding now (Pod5), I used 2nd-gen Pods but switched to Tandem because the PDF for Pod2gen was so bulky and the Insulet hadn’t innovated in forever. Once the controller became an app on my phone (or a phone-sized PDM), and once the CGM and the Pods communicated, I came back.
I’ve been pumping since '93, and never cared whether my pump had tubing or not…until I got used to podding for 4+ years. Tubing isn’t a deal-breaker, but I do prefer tubeless.
Like @wadawabbit, I found that the “Auto Mode” of Pod5 is a better fit for my glucose control. I’m down 0.5 on all my AICs this past year after going tubeless. To be fair, my last Tandem went out-of-warranty just before the newest Control- or Basal-IQ firmware update.
My main reasons for returning to OmniPod are that no other pump seems as sturdy nor as waterproof as Omnipod. For more details, check the link above–as well as discussion about what “waterproof” may or may not mean.