NorthKite Join the waiting listJoin

Private beta · waiting list open

Don't bet six months on a guess. Test your idea with real people first.

Describe your idea and what you want from it. Get a score that explains itself, and a clear next test.

See how it works

Paste an idea. Get a straight answer.

Watch a made-up idea go from one line to a real test. Click any step.

Ideas / Invoice reminders Sample

What's your idea?

Invoice reminders for freelance designers. Friendly nudges that get them paid on time, without the awkward email.

Rough is fine. You can change it later.
Who has this problem?Freelance designers

What should this idea become for you?

Your answer changes the score. Try another.

Your goal: Side income

Mixed fit

Why 62?

Get paid without the awkward follow-up.

Friendly invoice reminders for freelance designers.

38sign-ups

from 412 visitors · 7 days

9.2% signed up. Your pass mark was 5%. Passed.

Describe the idea in your own words. Rough is fine.

Why it's different

Not another opinion. A measured answer.

Your goal sets the bar.

A fine side income can be a weak venture. You pick the goal, and the score follows it.

Every number explains itself.

Tap any score to see the reason behind it, in plain words.

Real people before real code.

A test page and short calls show if anyone cares. Then you decide to build.

Questions

Quick answers.

When can I use it?

We open the private beta in small groups. Your invite comes by email.

Do I need to code?

No. You answer in plain words. It helps most before you write any code.

Is my idea private?

Yes. Your idea and your answers stay yours. We never publish them.

Is the score a promise?

No. It shows its reasons, so you can judge it yourself.

What do you do with my email?

Your invite and a few updates. Unsubscribe any time. See the privacy notice.

Build the idea people already want.

Join the waiting list. We invite builders in small groups.