Get your
Y Combinatorapplication reviewed by AI experts.
Real feedback from AI evaluators trained on the perspectives of YC partners, experienced founders, and accelerator advisors — before you hit submit.
Michael Seibel
YC Partner
Common Read AI
General Evaluator
More coming
500+
Applications reviewed
50+
Accelerator programs
12
Countries
How it works
Choose your program
Select from YC, Techstars, Antler, and 50+ other accelerators. We have the exact questions they ask.
Write your answers
Use our distraction-free editor. No character limits anxiety — we'll help you fit when you're ready.
Get real-time feedback
AI evaluators trained on expert perspectives review your answers as you write. See what's unclear, what's missing.
Iterate until strong
Refine your answers based on specific, actionable feedback. Submit with confidence.
Guess. Rewrite. Reapply.
Without feedback, founders try to improve by:
- —Rewrite the same answers with different wording
- —Overcorrect based on Twitter advice
- —Add features or inflate traction
- —Drop off entirely
Most reapplications don't materially improve — because founders don't know what mattered.
Everything you need to improve.
Riley
Lead Engagement Platform...
See what got in
Real accepted applications. Learn from founders who made it.
Browse examples →500+ founders from YC, SPC, Techstars...
Find founders like you
YC alumni from your school. SPC members in your city.
Search founders →Michael Seibel AI
"Who is the customer? Be specific."
Get expert feedback
AI evaluators trained on real accelerator perspectives.
Start writing →See how your application is being interpreted — while you write.
- —Write answers in a calm, distraction-free editor
- —A live evaluator panel shows:
- •what's unclear
- •who the customer seems to be
- •what claims lack proof
- •why this might not stand out
No rewriting
No scoring
No acceptance prediction
It doesn't help you sound impressive. It helps you be clear.
Talk to your evaluator. Out loud.
Sometimes text feedback isn't enough. Click "Talk to Evaluator" to have a live voice conversation with Michael Seibel, Paul Graham, or any evaluator. Ask follow-up questions. Debate their feedback. Think out loud.
Speaking with
Michael Seibel
CEO of Y Combinator
"Okay, let's dig into this. You say 'small businesses' — give me a specific example. Who is one customer you've talked to this week?"
- —Real-time voice conversations with AI evaluators
- —Ask "What specifically is unclear about my answer?"
- —Debate their feedback, get sharper responses
- —Practice articulating your pitch under pressure
Watch evaluators debate your application. Then ask questions.
Panel Review puts multiple AI evaluators in a room together to discuss your application. Michael Seibel, Paul Graham, and others analyze your answers, debate their merits, and sometimes disagree. You listen, learn — and can raise your hand to ask follow-up questions.
Michael
Paul (speaking)
Common Read
"I keep coming back to this question: who wants this right now? The market size is interesting, but I'm not seeing the urgency. Michael, you mentioned traction — are we sure these early users are desperate for this, or just curious?"
How Panel Review Works
Choose your panel
Select 2-3 evaluators with different perspectives
They discuss
Listen as they analyze, debate, and challenge each other
Raise your hand
Interject with questions at any point in the discussion
Get the summary
Key takeaways, agreements, debates, and action items
- —Hear multiple perspectives in one session
- —Understand where evaluators agree — and disagree
- —Learn what questions they would ask you in an interview
- —Full transcript and summary you can revisit
The best applications anchor on one real person.
Strong applications don't describe markets.
They describe a specific human, a real problem, and clear learning.
This product forces that level of specificity.
"Grace is preparing for the IELTS exam in South Korea. Existing tools are slow and expensive. We talk to her weekly and built this to solve her problem."
For accelerators: better applicants, zero overhead.
Platanus reviews 3,000 applications per year. Y Combinator sees 10,000+ per batch. At that volume, personalized feedback is impossible.
"Because of volume, we don't give feedback if you are rejected in the first step."
— Director at a top Latin American accelerator
- —Add one link to your rejection flow — we handle the rest
- —Founders learn why they didn't stand out
- —Reapplicants show real improvement, not surface edits
- —Your applicant pool gets stronger over time
This is not a ghostwriter.
- —It won't write answers for you
- —It won't predict acceptance
- —It won't optimize for sounding smart
If clarity feels uncomfortable, it's working.
Programs around the world
YC in San Francisco. Platanus in Chile. Entrepreneur First in London. The best accelerators have different questions, but look for the same thing: clarity.
Y Combinator
San Francisco
South Park Commons
SF / NY / Bangalore
Platanus
Santiago
Entrepreneur First
London / Singapore
Pioneer
Remote
Techstars
Global
Want live feedback?
Book a 30-minute call with Daniel. He'll read your application live and give you direct, honest feedback — the kind you'd get from an investor who's seen thousands of applications.
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