FlutterFlow raises $25.5M Series A led by GV 2M+ developers using FlutterFlow worldwide Dreamflow AI builder generates screens in 10 seconds Abel Mengistu: ex-Google Maps engineer turned founder No-sleep November: FlutterFlow 1.0 built in 4 weeks Over 2 billion lines of Flutter code generated FlutterFlow reaches $25.2M annual revenue Deployed in 200+ countries and regions FlutterFlow raises $25.5M Series A led by GV 2M+ developers using FlutterFlow worldwide Dreamflow AI builder generates screens in 10 seconds Abel Mengistu: ex-Google Maps engineer turned founder No-sleep November: FlutterFlow 1.0 built in 4 weeks Over 2 billion lines of Flutter code generated FlutterFlow reaches $25.2M annual revenue Deployed in 200+ countries and regions
YesPress Profile — Founder & CEO

Abel
Mengistu

The engineer who got so frustrated building an app that he built the tool to build apps.

Cofounder & CEO FlutterFlow Y Combinator W21 Ex-Google Mountain View, CA
Abel Mengistu and Alex Greaves, cofounders of FlutterFlow
Founder Spotlight

Abel Mengistu (left) and Alex Greaves, cofounders of FlutterFlow — Photo: GV

2M+ Developers Worldwide
$25.5M Series A Raised
2B+ Lines of Code Generated
200+ Countries & Regions
The Story
Origin

The Restaurant App That Changed Everything

In late 2019, Abel Mengistu and his co-founder Alex Greaves did what two ex-Google engineers with entrepreneurial ambitions tend to do: they tried to build an app. The app was called Taste Inc. - a restaurant recommendation platform. It didn't work out. Within a year, they shut it down.

The failure wasn't about the idea. It was about the plumbing. "We spent far too much time trying to build what should have been a relatively simple app on top of a lot of backend complexity," Mengistu later reflected. A restaurant recommendation app, something that should be a few weeks of work, had consumed months of engineering effort from two senior Google engineers. If this was hard for them, it was brutal for everyone else.

That frustration crystallized into a question: what if building an app were as fast as the idea behind it? FlutterFlow was founded in October 2020, and that question became its product.

We spent far too much time trying to build what should have been a relatively simple app on top of a lot of backend complexity. That's when Alex and I decided to work on making it easier to build apps.

- Abel Mengistu, on what led to FlutterFlow
2020 Founded FlutterFlow
YCW21 Y Combinator Batch
$170M Series A Valuation

Y Combinator
The Crucible

No-Sleep November

Getting into Y Combinator requires an application. Mengistu submitted his after the deadline. He used a connection to get the interview anyway - a preview of the persistence that would define the company.

At the interview, FlutterFlow consisted of a landing page and some UI mockups. No working product. YC's challenge: build something real in four weeks. What followed was what the team now calls "No-sleep November." By the end of the month, FlutterFlow 1.0 existed. By May 19, 2021 - at Google I/O, the very conference where Flutter had been championed - FlutterFlow launched publicly.

The timing was deliberate. The audience was the Flutter developer community. The message was clear: you can now build Flutter apps without writing every line yourself.

YC Advantage

The Y Combinator network gave FlutterFlow more than funding optics. The Supabase integration - now a core feature - came through a YC alumni connection that also brought in angel investors. "There's over 5,000 YC alumni available for mentorship," Mengistu noted. That network compounds in ways a seed check cannot.


Background
Before the Leap

Five Years at Google Maps

Before the failed restaurant app and before FlutterFlow, Mengistu spent roughly five years at Google. He was a Senior Software Engineer on Google Maps and later on the ATAP (Advanced Technology and Projects) hardware team - the division that has historically housed Google's most experimental bets. It's not a career detour. It's the foundation.

Working on Google Maps means building systems that serve hundreds of millions of concurrent users. It means thinking about performance, reliability, and scale in ways that most engineers never encounter. That fluency shows up in how FlutterFlow is architected and how the team thinks about deployment, cloud backends, and enterprise-grade reliability.

He studied Computer Science, Mathematics, and Physics simultaneously at the University of Manchester (2007-2011). Three subjects, one degree, the kind of choice that suggests a mind more comfortable with parallel complexity than sequential comfort.


The Product
What They Built

FlutterFlow: A Platform for Everyone Who Has an App Idea

FlutterFlow's premise is deceptively simple: drag, configure, connect, deploy. The reality is more intricate. The platform generates real Flutter code - production-ready, exportable, free of vendor lock-in. Users can connect Firebase or Supabase backends, integrate third-party APIs, add custom Dart functions, and deploy to iOS, Android, and the web from a single canvas.

What separates FlutterFlow from the broader no-code landscape is the commitment to real code. You're not building inside a proprietary runtime that disappears if you cancel your subscription. You're generating actual Flutter, the cross-platform framework backed by Google. The app is yours. The code is yours.

By 2024, over 20,000 applications had been deployed through FlutterFlow. Over 2 billion lines of Flutter code had been generated. The user base crossed 2 million - spanning startups, enterprise development teams, designers, and non-technical founders who needed an MVP yesterday.

AI Innovation
What's Next

Dreamflow: The 10-Second Screen

In 2025, FlutterFlow introduced Dreamflow - an AI-powered builder that generates production-ready app screens in around 10 seconds. Three modes: agentic (AI-led generation), visual (traditional drag-and-drop), and full-code (direct code manipulation). The same platform, three different entry points depending on how close to code you want to get.

The enterprise version followed quickly, adding brand consistency controls, security guardrails, and direct Git integration. Dreamflow Enterprise targets the development teams that have spent years explaining to stakeholders why mobile apps take months to ship.

Production-ready screens in around 10 seconds. That's not a demo. That's a workflow change.

- On Dreamflow's impact in 2025
Funding
The Backing

GV, Gradient Ventures, and the Google Connection

In January 2024, FlutterFlow closed a $25.5M Series A led by GV - Google's independent venture fund. Gradient Ventures (Google's AI-focused fund), Xoogler Ventures, and Y Combinator also participated. The valuation landed at approximately $170M.

The investor lineup is notable: GV and Gradient Ventures are both Google-affiliated, which means the company that created Flutter is now, at two steps removed, a backer of the platform that made Flutter accessible to millions. That's a very particular kind of institutional endorsement.

FlutterFlow reached $25.2M in annual revenue with 173 employees as of 2024, with over 10,000 self-service paying customers and between 10-20 enterprise accounts. A headcount growth rate of 359% year-over-year suggests a team expanding faster than the company's already rapid revenue growth.



The Details
Worth Knowing

Six Things About Abel Mengistu

His first startup was a restaurant recommendation app. He was building Yelp, then pivoted to build the tools that let anyone build Yelp.

FlutterFlow launched at Google I/O 2021 - the same conference where Google's Flutter team championed the framework it runs on.

Google's venture fund GV and Google's AI fund Gradient Ventures both invested in the Series A. The creator of Flutter, at two removes, now backs FlutterFlow.

He studied Computer Science, Mathematics, and Physics simultaneously at Manchester. Not one. Not two. Three.

2 billion lines of Flutter code generated. If you printed it out, you'd need a room the size of a warehouse to store the paper.

The YC interview happened because he applied after the deadline and still got in. FlutterFlow was literally built on a late submission.


Achievements
The Record

What's on the Board

  • Co-founded FlutterFlow, which grew to 2M+ users across 200+ countries
  • Raised $25.5M Series A from GV (Google Ventures) and Gradient Ventures at ~$170M valuation
  • Grew FlutterFlow to $25.2M in annual revenue with 173 employees
  • Generated over 2 billion lines of Flutter code through the platform
  • Accepted into Y Combinator W21 after applying past the deadline
  • Launched at Google I/O 2021 to the global Flutter developer community
  • Named in UrbanGeekz 50 2025: Software category
  • Launched Dreamflow - AI builder generating production-ready screens in ~10 seconds
  • Over 20,000 applications deployed through FlutterFlow