We build it first — no upfront cost.
Pay only if you're happy
Answer a few questions and we build and deploy it to a test server.
Check the result yourself, then settle based on the complexity and difficulty of the build.
Before we start, please log in
Your answers are saved to your account as you go. Even if login fails or you close the tab, your work won't be lost.
- Your answers are saved to your account, so you can pick up right where you left off anytime you log in.
- We can safely deliver your finished app's access link and test account.
Signing up takes about 30 seconds with your email.
Describe it once — we take it from there
We build from what you write in the application and send you the result. Review it and request changes whenever it suits you.
Describe what you want
Answer a few questions and your spec is done. It takes 5–10 minutes, and you can attach images and documents.
Working product in 24 hours
Get a link to a real, working service deployed on a test server. Not a mockup — the actual product.
Request as many changes as you like
Leave change requests right on the page and we'll ship the updates. No limit on revisions.
Pay only if you're happy
Billed afterwards in 2M KRW increments, based on the complexity and difficulty of the build — with clear per-item pricing.
We don't just build it — we set you up to run it
Everything is designed with what comes after delivery in mind. Here's each benefit — and why it's possible.
Edit and operate it yourself after delivery
During handover, we guide your team so you can fix the code and run the service on your own.
James, who has taught AI and vibe coding to thousands of students, guides you himself.
Or leave maintenance to us
If running it yourself feels like too much, keep requesting operations and improvements at a reasonable cost.
The same process honed by building and operating hundreds of startup platforms as an agency.
Built secure and ready to scale
Architected from day one to be secure and to handle millions of users.
Designed by James, former CTO of a commerce startup that raised billions of won in funding.
We review the business, not just the build
Market fit, business viability, marketing direction, and grant application strategy are reviewed together as we go.
Reviewed through the eyes of an active government startup-program judge.
If you don't like the result, you don't pay
No deposits, no cancellation fees. Check the working product first, then decide whether to continue. If you stop, your cost is zero.
0 upfront
We start building with no deposit.
Bug fixes are free
You're only billed for feature changes and additions — never for fixing bugs.
Stop anytime
Not satisfied? Just stop — no payment needed.