Yeah, finding an app that handles accumulators well is tough. For me,
1x-bet-gh.com/app has been the most consistent option. It gives you a ton of options across sports and lets you build your bet slip intuitively. I once built a 6-leg multibet with in-game markets and everything ran smoothly. Odds are updated live, and the app actually notifies you of market changes before you confirm. You won’t get those annoying errors that some apps throw when you add too many picks. It also has helpful filters so you can quickly narrow down leagues, which is a big time-saver. I’ve even used it to follow match stats while watching games at a local bar. Definitely worth checking out if combos are your thing.