The maidsafecoin is an asset of the mastercoin protocol (who work over the bitcoin blockchain) so is normal you see a small BTC transfer in a maidsafecoin transfer. If you want to made a maidsafecoin transfer, outside the two exchanges, you need a mastercoin compatible wallet like:
You can save you maidsafecoin in any BTC wallet that you control the private key (this is the most important). You can use, for example, the bitcoin core, a paper wallet, electrum, armory…
If you want to use a web wallet is better to use one who have mastercoin protocol:
If you have the private key of your rushwallet you can recover you 1000 maid, in any moment, by importing the private key to omniwallet.
Most of us prefer that developers use their talents to develop the Safe network instead of wasting time on things that already have an easy solution.
And a little research help a lot…