ChangeTip for iPhone - Send and receive dollars and bitcoin on social (with emoji!)
Google Pay - Make secure payments right through your Android device.
Facebook Pay - Send money to your friends via Messenger
Cash App - The easy way to send, spend, bank, and invest.
Nuri - Invest in cryptocurrencies, create savings plans & earn up to 5% interest per year on bitcoin directly from a German bank account.
Venmo - Venmo is the best way to pay your friends. It's simple, fun and free to use.