Android/iOS reading position sync possible?

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http://www.mobileread.com – I have an Android tablet and a iPhone. Is there any setup that would allow me to sync my reading position between these two devices? I read mainly ePubs and have setup my own OPDS catalog. OPDS support isn't necessary (but it would be nice) as long as I could get the ePubs on the devices somehow. I've been searching around to try to figure this out but there are so many reader apps and utilities to check out. Please also include any apps that require jailbreak or rooting as this is already done on my devices. Thanks (HowTos)