For founders testing a business idea

Right now your idea is
mostly assumptions

That is normal — every idea starts there. GrowthApp turns yours into something you can actually test and validate: a customer you can name, a problem they really have, a solution worth building. You do the thinking. We make sure you always know what the next step is.

Market research with real sourcesAI that drafts, never decidesLean Canvas, end to end

"I'm working on my idea in the evenings after my 9-5, and GrowthApp makes it doable. It breaks things down so I don't feel overwhelmed. Honestly, it's the first time I feel like I can actually launch something."

Jonathan, P.,

London

"You could create a kanban board of your own to track all the steps to start a business. And it would take weeks, you'd forget steps, if you even knew what they were. GrowthApp gave me the steps, education for each step and tools to execute each step. It's a game changer for business planning."

Reid Manchester,

North Carolina

Trusted by Leading Organizations Worldwide

Universities, accelerators, and industry leaders choose GrowthApp to accelerate innovation and drive growth

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The University of Edinburgh

Coventry University logo

Coventry University

Reykjavik University logo

Reykjavik University

Impact Hub Aruba logo

Impact Hub Aruba

Klak logo

Klak

The University of Edinburgh logo

The University of Edinburgh

Coventry University logo

Coventry University

Reykjavik University logo

Reykjavik University

Impact Hub Aruba logo

Impact Hub Aruba

Klak logo

Klak

The University of Edinburgh logo

The University of Edinburgh

Coventry University logo

Coventry University

Reykjavik University logo

Reykjavik University

Impact Hub Aruba logo

Impact Hub Aruba

Klak logo

Klak

How it actually works

1

Write down what you believe

Who you are building for, and who your early adopters are. The AI suggests improvements side by side with your text — you accept, merge or reject each field. It never overwrites what you wrote.

2

Check the market is really there

Market sizing runs live web research and returns TAM, SAM and SOM with the sources it used. If the numbers are too small for the customer you chose, that is useful information.

3

Talk to real people

Interview people from that group. Record on your phone or in Zoom, upload it, and get a transcript and a structured summary back — what they are trying to do, what gets in the way, what would count as success.

4

Then decide

A confidence check asks how sure you actually are, and what you want to do: proceed, pivot, or go and research more. Most founders loop back at least once. That is the process working.

Read the Lean Canvas guide
growthapp.co/app
Your Progress: Week 3 of 13
✅ Validate problem with 20 interviewsCompleted
🎯 Build landing pageIn Progress
📊 Set up analyticsTomorrow

Why founders choose GrowthApp

What you'd otherwise be choosing between.

GrowthApp
Guided validation
A chatbot
ChatGPT, Claude
Templates
Canvas packs, courses
On your own
Docs and notes
Who does the thinkingYou — the AI drafts beside youThe AI, in one goYou, from a blank pageYou
Knowing the next stepAlwaysWhatever you think to askUp to youUp to you
Market numbersResearched, with sources you can openPlausible, unsourcedNot includedHours of your own digging
Customer interviewsUpload the recording, get structured findingsPaste a transcriptNot includedNotes in a doc
Did you actually validate it?A confidence check asksNever asksNever asksNobody asks
What you end up withNine finished deliverablesA long chat threadHalf-filled templatesScattered files
Share with an investorRead-only accessCopy and pasteSend a PDFSend a folder

Bottom line: The others will happily write your business for you. That is the part worth doing yourself.

Start free

The problem with starting from a blank page

Or from a tool that fills the page for you.

❌ On your own

  • •A business plan template you abandon on page three
  • •An AI that writes the whole thing in one click — and teaches you nothing
  • •Market numbers you cannot source and would not defend
  • •Interviews you keep meaning to do
  • •No idea whether you have validated anything or just written it down

✅ With GrowthApp

  • •One guided path, and always a clear next step
  • •AI that drafts alongside your work — you accept, merge or reject each field
  • •Market sizing with citations you can open
  • •Interview recordings turned into structured findings
  • •A confidence check that asks whether the evidence really holds

Common Concerns (We Get It)

Test and Validate Your Business Idea | GrowthApp