I have been trying Aleks for a couple of hours and I understand now why is so popular...
However, the spanish translation is not very good yet and besides I think DD needs to be a little bit more independent to use it - in fact she should be able to read at least Spanish, English better (because of the errors in the Spanish version). So.... not for the time being although in the future it is worth considering.

Has anybody used mathletics? Hows does it compare to Aleks? They do not offer a free trial for parents frown
Now apparently Mathletics host Rainforestmaths which DD knows and she has been asking me to do it again, but I am not certain if I want to pay 99 sterling pounds for it ....

So, has anybody used both mathletics and Aleks and can tell me how they do compare?