Chime

Nubank

Chime

Chime makes money almost entirely from interchange fees. Every time a Chime member uses their debit card, the merchant pays a swipe fee (typically 1-2% of the transaction).

Chime keeps a portion of that interchange. The model only works at scale — Chime needs millions of members making thousands of transactions to generate meaningful revenue.

But with 22 million members, the math works. Chime also earns interest on member deposits and fees from optional instant transfer services.

Nubank

Nubank makes money from credit card interchange fees (1-3% of every transaction), interest on credit card balances and personal loans, and net interest income from deposits (lending out customer deposits at higher rates than it pays in savings interest). The company also earns fees from insurance products and investment marketplace commissions.

The key insight is that by being digital-only with no branches, Nubank's cost to serve a customer is roughly 85% lower than traditional Brazilian banks.

Chime

Chris Britt spent years working in financial services — at Visa, Green Dot, and other companies — and kept seeing the same thing: banks made a disproportionate amount of their revenue from fees charged to their least wealthy customers. Overdraft fees alone generated $35 billion annually for US banks.

The average overdraft was $36 for a $24 transaction — that's a 150% fee. Poor people were subsidizing free checking for rich people.

In 2012, Britt co-founded Chime with Ryan King (CTO) to build a bank account designed for people living paycheck to paycheck. The core promise was radical: no monthly fees, no minimum balance, no overdraft fees, ever.

You'd get your direct deposit up to two days early (because Chime could release funds as soon as they were notified of a pending deposit, while banks sat on the money for two extra days), and you could overdraft up to $200 without any penalty through a feature called SpotMe.

The product launched in 2014 and grew slowly at first. But the target market — working-class Americans frustrated with bank fees — was enormous.

Once people tried Chime and realized they'd never see another $35 overdraft fee, they told everyone they knew.

Nubank

David Vélez grew up in Colombia, studied at Stanford Business School, and worked at Sequoia Capital in Silicon Valley. In 2012, Sequoia sent him to Brazil to find investment opportunities.

What he found instead was the worst banking experience he'd ever encountered.

Brazilian banks were controlled by five massive institutions that charged outrageous fees — annual credit card fees of $200+, account maintenance fees, fees on fees. Customer service was a nightmare.

Branches required hours of waiting. The banks had zero incentive to improve because they had a captive market of 200 million people and no competition.

Vélez saw the opportunity and left Sequoia to start Nubank in 2013 with Cristina Junqueira (a former Itaú banker) and Edward Wible (a Princeton engineer). Their first product was a purple credit card — no annual fee, managed entirely through a beautiful app, with transparent billing and real-time notifications.

In a country where banks treated customers like an inconvenience, Nubank treated them like human beings.

Chime

Chime grew through massive direct-to-consumer advertising. TV commercials, YouTube ads, podcast sponsorships, Instagram campaigns — all hammering the same message: no fees, get paid early, no overdraft penalties.

The message resonated with a demographic that traditional banks ignored or exploited: working-class Americans earning $30,000-$75,000 per year.

The "get paid early" feature was the killer hook. Chime releases direct deposits up to two days before payday.

For someone living paycheck to paycheck, getting paid on Wednesday instead of Friday is life-changing. It reduced the need for payday loans and covered emergency expenses.

The feature spread through word of mouth faster than any ad campaign.

Simplicity was a deliberate choice. Chime doesn't offer investing, crypto, or dozens of products.

They do one thing — be a great bank account for everyday Americans — and do it well. While competitors like Cash App and Revolut chased feature bloat, Chime stayed focused on the core banking experience.

Nubank

Nubank grew through word of mouth in a country where everyone hated their bank. The product was so much better than the alternative that customers became evangelists.

The invite-only launch created exclusivity and a waitlist that hit millions. People would beg friends for an invite code because getting a Nubank card felt like escaping prison.

The cost advantage was structural. Traditional Brazilian banks operated thousands of branches with tens of thousands of employees.

Nubank had an app and a customer service team. This let Nubank offer free products that banks charged hundreds of dollars for.

The unit economics were unbeatable — when your competitor has 4,000 branches and you have zero, you can afford to be generous.

Geographic expansion into Mexico and Colombia replicated the playbook. Both countries had the same banking problem — concentrated, fee-heavy, customer-hostile banks.

Nubank launched in Mexico in 2019 and Colombia in 2020. Mexico alone already has over 8 million Nubank customers.

Chime

Chime is not actually a bank. They're a fintech company that partners with Bancorp Bank and Stride Bank to hold deposits and issue cards.

This distinction matters because Chime doesn't have the regulatory protections and permissions that come with a bank charter. In 2021, the state of California ordered Chime to stop calling itself a bank in advertising.

The regulatory status limits what products Chime can offer and adds counterparty risk.

Unit economics have been questioned. Chime spends heavily on customer acquisition — hundreds of dollars per member through advertising.

If members don't use their Chime card frequently enough, the interchange revenue doesn't cover the acquisition cost. Chime needs high engagement to make the model work, and some members treat Chime as a secondary account rather than their primary bank.

The path to IPO has been repeatedly delayed. Chime was expected to IPO in 2022 but the fintech market crash made that impossible.

The company has reportedly been preparing for a 2025 listing, but at a valuation significantly below its 2021 peak of $25 billion. The longer the company stays private, the more pressure employees with stock options face.

Nubank

The IPO timing was terrible. Nubank went public on the NYSE in December 2021 at a $41 billion valuation.

The stock immediately crashed as the global tech sell-off hit and rising interest rates in Brazil increased the cost of capital. The stock fell from $12 to under $4 by mid-2022.

Vélez had to spend a year convincing investors that a Brazilian digital bank was worth owning during a global risk-off environment.

Credit risk in Latin America is inherently higher. Brazil has volatile inflation, currency risk, and a large unbanked population with limited credit history.

Nubank's loan book grew rapidly, and delinquency rates spiked in 2022 as Brazil's economy slowed. Managing credit risk at scale in emerging markets is fundamentally harder than in developed economies.

Nubank has since tightened underwriting and delinquency has improved, but it remains the biggest operational risk.

Regulatory complexity across three countries is a constant headache. Brazil, Mexico, and Colombia each have different banking regulations, consumer protection laws, and compliance requirements.

Navigating three regulatory environments simultaneously while growing at speed requires significant legal and compliance investment.

Chime

Chime Spending Account is the core — a fee-free checking account with a Visa debit card. Chime Savings Account offers automatic round-ups and a competitive APY.

SpotMe lets members overdraft up to $200 with no fees — Chime covers the difference and deducts it from the next deposit. MyPay gives members access to earned wages before payday.

The Chime Credit Builder card helps members build credit by reporting on-time payments to all three bureaus — no credit check required, no interest, secured by your own money. Instant Transfers move money between Chime members instantly.

Nubank

Nu Credit Card is the flagship — a no-annual-fee Mastercard managed entirely through the app. NuConta is the digital bank account with free transfers and bill payments.

Nu Invest is the investment platform offering stocks, ETFs, and fixed income. Personal Loans are offered based on credit behavior within the app.

Nu Life Insurance and other insurance products are distributed through the app. Ultraviolet is the premium tier with higher limits, airport lounges, and additional perks.

NuPay is the payments solution for merchants.

Chime

DST Global, General Atlantic, Tiger Global, Sequoia Capital, SoftBank, Coatue Management, Dragoneer

Nubank

Sequoia Capital, Tiger Global, DST Global, Tencent, Berkshire Hathaway, SoftBank, Dragoneer