Bitpie wallet was developed by Bither team, it is an open source wallet which means it is the user that is mostly responsible for the security of its wallet. The address of the team shows that they are from republic of Seychelles.
Whatv
What makes it unique is that it has support for multichain assets, what this means is that if you store any token in it, and the token is about to move to its own chain you don't have to worry because this wallet support almost all available ecosystem like bitcoin, ethereum, EOS, stablecurrencies, etc ecosystem, so swapping your token during the mainnet is superb easy.
Users can also transfer and use Dapps with ease while the assets will still be under their control.
The response you will receive if you encounter any problem is assured. To set up the wallet also is easy even for an average users.