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Building Rare Consumer App Wins: The Cash App Playbook

Ayo Omojola
CPO, Carbon Health · Former Cash App/Square
LENNY'S PODCAST
The Insight

Different + Better + Matters

DIFFERENTBETTERMATTERS
"Being different is not enough. Being better is not enough. It has to be different than what exists today, better than what exists today, in a way that matters to the end user."
  • Different alone = easy (just look at what exists and build something else)
  • Better alone = easy (make it 10% better, charge more)
  • The magic: difference + better + mattering to users
  • Plus: the domain has to work economically
Cash App's 10-Factor Win

Why It Beat Venmo (and Why That's Hard to Replicate)

50K
Active users when Ayo joined
50M+
Monthly active users today
  • Instant settlements: For 3-4 years, fastest & cheapest way to move money between any two US bank account holders
  • Instant debit card: Physical card issued instantly (Venmo didn't have)
  • No social feed: Consumer needs came first, merchants second (very rare in Square)
  • Design obsession: Incredible depth in UX/product execution
  • Talent density: Insane team, strong fraud prevention, fearless leadership from Brian Armstrong
The real differentiatorWhen asked "Why Cash App over Venmo?" the answer was: "Try and send me a dollar that I can use right now." Only Cash App could do it.
Startup Within A Company

The Real Costs of Big Company Friction

  • Small teams beat big teams: Forcing teams to hit milestones creates urgency that free-floating headcount destroys
  • The existential fear difference: In startups, you worry about payroll tomorrow. In big companies, you just ask for more resources
  • Growth without success: Team size can explode while actual product impact flatlines
  • Resource acquisition addiction: Easy to become a team that's great at asking for money instead of making money
  • The friction was real: Many at Square believed Cash App investment could be better deployed; Jack had to fight hard for the bet
The unfair advantage

Cash App had firewall from rest of Square, hero customer was the consumer (not merchants), and extremely strong leadership protection. Most internal startups don't get this.

Ayo's realization

Smart people in regulated industries (fintech, healthtech) compound over time. Get really good at navigating complexity once, and you can apply it to any regulated market.

Team & Hiring

Hire Founders (And Accept the Tradeoffs)

  • About 50% of Ayo's team at Carbon are founders or former founders
  • Pros: They see bullshit immediately and call it out. They level up everyone else. High output. High ambition.
  • Cons: They rarely stay longer than 2-2.5 years. They'll leave to start companies or run teams elsewhere. Higher attrition.
  • The screening problem: By the time resumes reach you, sourcers have filtered out non-traditional candidates (founders, non-typical backgrounds)
Ayo's hiring philosophyJob postings explicitly say "Former founders with failed startups, please apply." Founders have an imposter syndrome + chip-on-shoulder combo that's valuable.
Philosophy

The Power of Optionality in Relationships

✗Hire people when you have a roleINSTEAD →✓ Meet people constantly. They pick when they join. Some took 1.5+ years to say yes.
✗Hold info close to your chestINSTEAD →✓ Everyone wants something. If you have it or can connect them, it's "criminal not to." Over time horizon, it comes back.
✗Be different OR better (pick one)INSTEAD →✓ Cash App's real win was 10 things best-in-class. The compound effect of all of them = differentiation.
✗Consumer apps rarely work in big companiesINSTEAD →✓ They can work if you firewall the team, keep it small, make consumers the hero, and protect from org politics.
Based on Ayo Omojola's episode on Lenny's Podcast. All ideas on this page are from the episode.Watch on YouTubeFollow @ay_o on X
GO DEEPER IN THE EPISODE
04:13 The story of how Ayo used Quora for discoverability06:44 The scale of Cash App07:37 What Cash App did well10:12 Lessons from building consumer apps13:08 Why it’s so important to be different14:08 What Ayo learned from how Square/Block operates16:36 How to succeed at building a startup within a startup19:06 How Ayo transitioned from fintech to health tech22:51 Why Ayo loves hiring founders28:32 Team-building strategies32:12 The importance of going deep and challenging assumptions36:58 Why you should always ask questions38:45 Lessons in leadership41:43 Advice for founders in the health-care space44:48 What Carbon Health is46:58 Lightning round
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