I think it would be hard to get as much out of the app without a barbell now. Specifically one with large bumper plates you can scooch your legs under quickly. She released a workout today (Max 33) that has you do a single set of hip thrusts then get up/out and do some upper move (think it was rear delts), the whole thing repeated four times. And you only get 20-25sec to get yourself and your weights back into position for thrusts, including adding your glute band back on. Not too doable if you're going heavy but not using bumpers, so you have to find a workaround.
She also says she will be using an incline bench from the autumn. I'll probably ignore that though because all the moves I can think of (incline bench press, preacher curls etc) can be done on your knees or leaning back against a stability ball. Can anyone think of something else that needs the bench but can't be done on the ball?