The 12 words are only and exclusively used to configure / import the wallet. Either within our platform, or in any other mobile wallet application. As we always comment, even if they are only used very sporadically, they must always be available, if they are lost there is no way to recover the portfolio.
The password of the wallet is the one by which you will be able to carry out all the operations : contribute, recover, and change the wallet password ... Similar to bank accounts, it is like the key to allow operations.