OU have recently produced a new website/app called Alldaf.org.
Features (you can customize your feed according to your interests from the following features):
Daf Hayomi Shiurim from a selection of famous Maggidei Shiur
Point by Point elucidation of every Tosfos in English
Supplementary bite-sized audio miniseries:
Daf in Practice
Daf in Halacha
Daf in ...