Lawrence Nahum and Jerzy Kozea a stack developer founded this wallet in 2013 and it was registered in Malta. In July 2016, Blockstream acquired it, though the reason for this was not known, it must be known however that Blockstream is a pioneer bitcoin and blockchain company by Adam Back.
This wallet is available in 12 different languages and it is good for every users, but most especially for those that are experience. One of the foremost feature of this wallet is the security, it has 4 layers of 2 factor authentication like, email, google authentication,sms and robocall, user is free if they want all or they will choose from it.
The user keep their mnemonic phrase and input their password when doing registration for security purpose they will also be asked to input a pin, when trying to open the wallet if the user missed the pin 3 times they will be asked to reset the wallet using password.
Going by the support that the wallet has and it's security is may be a good wallet to use.