Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Varo - Varo is an all-in-one mobile banking solution that helps you to manage your financial needs.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Brigit - Brigit is a fast, smart, and easy financial app that monitors your account in the background and sends you cash every time your balance run lows.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Dave - Dave: Outsmart Overdrafts is an all-in-one finance mobile application that helps you to manage your complete budget, pay the bill, and send money, etc.