Micro-SaaS & AI ProductsSource date: June 29, 2026Last reviewed October 19, 2026

Two college students' AI note-taking app crossed $13 million in lifetime revenue

Rudy Arora and Sarthak Dhawan launched in January 2024 and were near $500,000 a month by March 2025.

Subject: Turbo AI (Rudy Arora and Sarthak Dhawan)Subscription app: $20 a month or $120 a year

Read original source2 sources linked below
A laptop showing revenue charts on a desk beside an open notebook and coffee

Case Overview & Background

Rudy Arora and Sarthak Dhawan, friends since sixth grade, built Turbo AI as freshmen at Northwestern and Duke to take better class notes. They launched in January 2024, both dropped out, and say the app has passed $13 million in lifetime revenue with about 10 full-time employees.

How AI Is Used

The app uses AI to turn lectures and material into notes and study aids. The founders say AI lets them run lean.

Step-by-Step Process

Step 01Solve your own study problem

Built a note-taker for their own classes.

Step 02Pay small creators

Paid $5 per video, with viral bonuses, for short-form content.

Step 03Stay lean

About 10 employees and bootstrapped, with a small investor round.

Customer Acquisition & Distribution

Short-form video from the founders and paid creators.

Limitations, Risks & Failure Modes

What may not apply to you, and what could go wrong:

  • Self-reported
  • Student-focused AI tools face academic-use rules
  • Large, fast-growing competition

Key Takeaways

  • Creator videos can scale a student app
  • Students can build for their own needs
  • AI tools help small teams

Sources

News PublicationJune 29, 2026

Business Insider: We're childhood friends who scaled our startup to $13M by age 21

Note: As-told-to essay.

Open Source
News PublicationNovember 10, 2025

Business Insider: These 20-year-olds have grown their AI note-taking app for students

Note: Pricing and team background.

Open Source
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Case ID: cs-two-college-students-ai-note-taking-app-crossed-13-million-in-lifetime
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