I tried playing the W10 version because it has the most levels but it’s not convenient on the computer. I guess I will just build up boosters while I wait for the iPhone to catch up. 4490 on the iPhone but 4525 on W10.
For people playing on mobile platforms level 4610 is the highest (of course 30 new levels should arrive tomorrow- Wednesday). However for those people playing on the Win 10 app on a PC, the highest level is currently 4670.