Fair enough, but I'd point out that I've had a jailbroken phone for quite a while, installed and played with thousands of apps, and never experienced one "crash

Fair enough, but I'd point out that I've had a jailbroken phone for quite a while, installed and played with thousands of apps, and never experienced one "crash". What's the difference? Simple, I only installed tried and tested apps, even from Cydia. Jailbreaking the phone is simply not inherently more unstable. It's like anything else, if you install unstable stuff, you get unstable results. SBSettings is perfectly stable and works well, as do most of the simpler addons for it, RotationInhibitor being one of these. But quality of JB apps varies, and there certainly are a lot of unstable ones out there. So before you go blaming jailbreaking itself, I'd investigate to see what specific apps are interfering with your app, and see what the issue is. Because a jailbroken phone is certainly not inherently more unstable. It's the unstable addons are the problem, but people are stupid and will install any old thing, no matter how crap quality it might be.