There's a sale today on Weekly Shonen Jump digital manga from Viz. You get a 1-Year Subscription for $9.99 and there's a $5 Off coupon code. That makes it $4.99 for 50 issues. You can pay using Paypal or credit card.
Use the promo code SJDVDBR16
This is a weekly digital manga that you can read on the web or with iOS/Android mobile devices. I use my iPad and it looks great. It includes a bunch of popular series like One Piece, Naruto, My Hero Academia, RWBY, One Punch Man, Food Wars, and more.