I don't think Lothian need a weekly ticket, for me it's just cheaper to use the X38 regardless of taptapcap and then if I did want bundled tickets they only do them in 5 or 20 so not a full week or month.
It's £4.50 from Winchburgh and £3.50 from Kirkliston at least from their website unless they've changed it but not updated the site yet or the bus advert is printed wrong?
I'm sure I read that it's now £4.50 day return to Kirkliston on the X38, but could of misread that.
Lothian do £22 for a week on tap tap cap, which is 4 1/2 days for unlimited day travel as far as Kirkliston, and it's an extra £12 a week if you live out at that little extra stretch in Winchburgh.
£34 for a week is a £5 dayticket for 7 days, if you travel on the bus everyday that is, and it covers all of Edinburgh and West Lothian on top of it.
Mcgills might have cheaper tickets but Lothian do offer better value for other services which is credit where it's due, not handy for those who only use the one service and back but for those looking to travel further out it's the better option.
They could of offered a discounted deal to draw passangers on when the service launched (a late black Friday deal) but they didn't, only time will tell however if folk will make the move.