Talk to your users.
Before they exist.
Describe your idea. Get 5 AI-powered personas in seconds. Interview them, hear their objections — before you write a single line of code.
No credit card. No setup. Results in 10 seconds.
Most founders build the wrong thing. Not because they're bad at building — because they never talked to their users.
You skip research because it takes too long. Setting up interviews, writing scripts, waiting for responses — by the time you have answers, you've already shipped.
Professional user research costs thousands. Tools like Delve AI charge $89/month — before you have a single paying user.
So you build based on assumptions. You imagine what users want. Sometimes you're right. Usually, you're not.
And you only find out after launch. 3 months of work. Zero users. The most expensive lesson in product development.
The fix
preperai gives you the conversations you skipped — before they cost you everything.
Describe your idea in two sentences. preperai generates 5 realistic user personas with real jobs, real frustrations, and real objections. Then you talk to them. Ask hard questions. Get honest pushback. Validate your assumptions in minutes, not months.
Start for free →From idea to insight in under 10 minutes.
Describe your idea
Write 2–3 sentences about what you're building. No deck, no pitch, no preparation needed. Just the raw idea.
Meet your users
In seconds, preperai generates 5 distinct personas — each with a name, background, pain point, and their specific reason to say no to your product.
Interview them
Chat directly with each persona. They stay in character, push back on your assumptions, and tell you exactly what would make them pay — or walk away.
Everything changed when founders stopped guessing.
Before preperai
- ✗Built for 3 months. Launched. Nobody came.
- ✗Pivoted 4 times. Still not sure who the customer is.
- ✗Investor asked "who's your user?" I couldn't answer.
After preperai
- ✓"Killed the idea in 20 minutes. Saved 3 months of work."
- ✓"Knew exactly who to build for before writing a line of code."
- ✓"Walked into my pitch knowing every objection they'd raise."
Real outcomes. Real stories.
“I used this before my first investor pitch. The persona named Marcus told me my pricing was wrong. I changed it. Got funded.”
“I typed my idea at 11pm on a Tuesday. By midnight I'd talked to 5 people who told me it would never work — and exactly why. I fixed the core problem before I ever opened my code editor.”
“My stakeholders kept asking for user data. I had none. preperai gave me conversations I could reference in my deck. It's not perfect research — but it's infinitely better than nothing.”
“Every startup tool I've tried was built for companies that already exist. preperai is the first one that's actually useful when you're still just a person with an idea.”
Start free. Upgrade when you're ready.
No contracts. No setup fees. Cancel anytime. Pay only when preperai has proven its value to you.
Free
No card required to start
- ✓1 projects
- ✓2 personas per project
- ✓20 conversations/month
- ✗Unlimited access
- ✗Priority AI responses
Pro
7-day free trial included
- ✓Unlimited projects
- ✓Unlimited personas
- ✓Unlimited conversations
- ✓Priority AI responses
- ✓Early access to new features
Secured by DODO Payments · Your data is never used to train AI models · Cancel in one click
Common questions.
Are AI personas actually useful? They're not real people.
They're not a replacement for real user interviews — they're a replacement for doing nothing. Most founders skip research entirely because it's hard. preperai gives you a starting point: a set of assumptions to test, objections to prepare for, and a clearer picture of who you're building for. Think of it as research scaffolding.
What if I've already started building?
Even better. Describe what you've built, generate personas, and ask them if they'd pay for it. You'll find out within 10 minutes whether you're on the right track — or what needs to change.
How is this different from just asking ChatGPT or Claude?
ChatGPT & Claude gives you generic answers. preperai's personas stay in character across a full conversation — they remember their pain points, hold their objections, and respond consistently as a specific type of person. The depth of roleplay is the entire product.
What happens when I hit the free limit?
Your projects and personas are never deleted. You can upgrade to Pro at any time and pick up exactly where you left off.
Can I cancel my Pro subscription?
Yes, anytime — in one click from your settings. You keep Pro access until the end of your billing period.
Your next 3 months
are already written.
Founders who validate first build faster, pivot less, and launch to users who actually care. It takes 10 minutes. It costs nothing to start.
Talk to your users. Before they exist. →Free forever. No credit card. Setup in 30 seconds.