After they sung live in Dusseldorf on Saturday night, Jedward's 'Lipstick' and Blue's 'I Can' have seen a sharp spike in sales, despite finishing eighth and 11th respectively.
Blue have managed to reach number three on the German iTunes chart, as well as five in Austria and six in Sweden and Switzerland.
Jedward, meanwhile, have topped the iTunes charts in Germany, Sweden and their home country Ireland.
In the UK iTunes chart, Blue currently sit just outside the Top 10 at 12, while Jedward remain just outside the Top 20 at number 24.
This year's contest became the most watched in the UK since 1999, peaking with a 12.7m (62%) television audience.
> Eurovision Song Contest 2011: The Results
Watch Jedward's Eurovision performance below:
Watch Blue's Eurovision performance below: