Peer-to-peer wallet where only the users has control over the founds. It doesn't collect any data and keeps user independent by not locking his/her wallet to a specific wallet app.
The Quattro wallet is fully open-source and anyone can confirm that the app works exactly as it claims to.
We built Quattro for ourselves as the available solutions were not up to par. Both from engineering and usability perspective we believe this wallet to be significantly ahead of alternative products.