Ch. 02 · The product principles
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Why people switch
Banking that stays out of the way
1
No fees, no fine print
The account costs zero — no maintenance charge, no surprise line on the statement, ever.
2
A card you control in seconds
Freeze, unfreeze, raise a limit or block a charge — all from the app, no call center.
3
Support that talks like a person
Median first reply under four minutes, written by humans, not a script tree.
4
One color, one promise
Everything we ship answers to the same standard — simple enough to explain in a sentence.
This is the
Nubank Purple
design system, applied by
Curio Design
— a design-style library for AI agents. Full Nubank Purple guide →
designbycurio.com/learn/nubank-purple-2013