Qatar Airways is currently offering 10% off and some bonus Qmiles if you are using their app.
To receive 10% off your flights, simply download the Qatar Airways App and use the promo code QRAPP while booking. You will also receive 1000 bonus Qmiles with this code. The offer is valid for bookings made up to August 12 for flights up to March 31, 2021.
For additional, free 1000 Qmiles, download the Qatar Airways app until August 12 and simply login for the first time.
All Qatar Qsuite Routes can be found here.