Point of reference for rechargemysim.de

I have a Vodafone SIM and wanted to recharge with 35 euros. I was told the only way to do that was to do two recharges (25 and 10 euros) but that would incur 3.90 euro fee each time. I then found that Vodafone would take recharges of 5, 10, 25, 50 euros (and more). I contacted rechargemysim.de and they said I could use the europasim recharge for 50euro and it would be the same. I did so and it has updated in my account.