Nubank accounts have no maintenance fees, and free and unlimited online transfers. It currently only operates in Brazil, Colombia, Argentina, and Mexico.
Cost To Develop Mobile Banking App - Accurate Breakdown
Resources
Designing Shuffle, the internal tool that powers Nubank's award
Designing Shuffle, the internal tool that powers Nubank's award
How much does it cost to develop a FinTech application? - Quora
App Development for neo banks - Features, Cost & Process
Branch Unlocked Attribution and Deep Linking for Nubank's Paid
Fintech Finance presents: The Fintech Magazine 27 by Fintech
Dependable realtime banking with Kafka and Ably
How Nubank Became One of the World's Biggest Digital Banks
App Development Archives - OnGraph: Top Enterprise Web & Mobile