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Available · Barcelona
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Heat

Everyone is somewhere tonight. Heat shows you where.

Heat is a real-time social app for finding where things are happening right now - and knowing the vibe before you walk through the door.

Try Heat ↗Read the story ↓

— STATUS

Store review

— FOLLOWERS

3,000+

— REVENUE

Pre-launch

— NEXT

Barcelona launch

— By the numbers

Mobile · live data

— Core

— Launched

Pending — App Store review

— Signups

0

— Retention

—

— MRR

£0

— Stack

Flutter · Hono · Fly.io

— Primary metrics

— Visit → Signup

—

— Daily Active Users

—

— Activation Rate

—

— Share Rate

—

— Secondary · Mobile

— App Store Rating

—

— Crash-free Rate

—

— Push Opt-in

—

— Install → First Open

—

— How it started

Jaz had the idea. Simple version: you want to go out, you want to know who's there and what the energy is like, and nothing on your phone tells you that in real time.

Maps show you where places are. Reviews tell you what they were like last year. Social tells you where your friends were. None of that answers the question everyone actually asks before leaving the house: is this worth getting dressed for?

I joined because I understood the problem the second she described it. I'd moved cities, I was in Barcelona, I wanted to find the places that were actually alive on a given night - not the ones the algorithm told me were popular six months ago.

We've been building it ever since.

— The four decisions that define Heat

where it would have died if we'd got these wrong

  • Everything on Heat moves in the moment. Hotspots, threads, conversations, crowd signal - all live, all now. Getting this to feel instant without draining a phone battery was the hardest engineering call.

— The stack

click any tool to see why I picked it

— Frontend1

— Backend3

— AI & Payments1

FlutterFrontend

One codebase, two stores. Native felt sharper on paper, but shipping iOS and Android in parallel was the only path where Heat actually launches in the same year — Flutter buys back six months of calendar time.

Shipped Wk 01—

— The split

two co-founders, two lanes, no waiting

— Jaz leads

UI/UX & Marketing

  • Brand and product surface — every pixel and every word.
  • Pre-launch audience: 3,000+ followers before a line shipped.
  • Tells me when the product feels off.

— Abdi leads

Tech, Product & Fundraising

  • Built the app — Flutter, Hono, Supabase, Gemini.
  • Product strategy: privacy-first, ephemeral, all-day.
  • Investor conversations and the technical narrative.

— Where Heat is right now

pre-launch metrics

— STATUS
Store review
— FOLLOWERS
3,000+
— REVENUE
Pre-launch
— NEXT
Barcelona launch
— What shipped
App complete, submitted for App Store and Google Play review
— What changed
Moved from build phase to approval + fundraising phase
— The numbers
3,000+ pre-launch followers, investor round in progress

— The retro

no highlight reel

  • — Worked

    Building the audience before the app. Heat has 3,000+ followers and nothing to install yet. The brand is the product until the stores approve us - and that turns out to be a better position than launching to silence.

  • — Didn’t

    App store review timelines you can't control. We shipped a product that's ready and then waited. That's a tax nobody mentions when you decide to build a mobile-first app.

  • — Surprised

    Submit to the stores earlier - before the product felt done. The review cycle is a queue, not a quality gate, and sitting in that queue would've been less painful if we'd started it two weeks sooner.

  • — Next

    Wins and failures both. No highlight reel.

Want to try Heat? Live at getheatapp.com.

getheatapp.com → →
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