Web · App · ERP — 2026

Let's build
together.

WONLAB builds and operates web SaaS, ERP, and mobile apps. Designed in Seoul, operated in Tokyo.

2
Markets · KR & JP
1 team
Plan · Design · Dev
100%
In-house build

Why WONLAB

We don't outsource.
We build.

WONLAB is a product company, not an agency. Everything we learn from building and running our own services goes straight into yours.

01

Two markets, one team

Design in Seoul, sales and ops in Tokyo. One team owns both markets.

02

Product DNA

Know-how from running our own products goes straight into your next one.

03

End-to-end

Planning, design, development and operations under one roof — fewer handoffs.

Customer Reviews

What clients say.

Stories from the teams we've worked with. (Sample reviews)

"They don't work like a vendor — they build our product as if it were their own. When we entered Japan, they handled payments and tax from day one."
KT

K. Tanaka

CEO · Wholesale distributor

"They swapped our old ERP without stopping the business. Not a single store or HQ hiccup."
SC

Sumin Chung

Ops Director · Manufacturer

"One team handled the Korea–Japan launch end to end, so we could focus on our business."
HS

H. Sato

Product Lead · Bio startup

Partners

  • Hanbit Retail
  • Sakura Trading
  • Blue Harbor
  • Mirae Bio
  • Kaze Logistics
  • Nuri Fintech
  • Tokyo Studio
  • Seoul Market

Pricing

What we do, in four areas.

Web SaaS, ERP, mobile, and custom builds. One full-stack team serving two markets.

BEST

Web SaaS

₩50M~

Subscription B2B services — planning, design, development, and operations under one roof.

  • Plan · Design · Build · Launch
  • Up to 3 months of ops support
  • Admin dashboard
Contact us →
Popular

ERP Systems

₩120M~

Custom ERP for Korea and Japan workflows — sales, finance, HR, and production.

  • Process analysis & design
  • Zero-downtime migration
  • 6 months of ops support
  • Dedicated PM
Contact us →

Mobile Apps

₩40M~

iOS · Android · cross-platform. From design to store release.

  • UI/UX design
  • Store submission
  • Push & payments
Contact us →

WWONLAB

Your next product — shall we build it together?

If you need a partner with real operating experience and KR–JP localization know-how, just knock. We usually reply within one business day.

Services

  • Web SaaS
  • ERP Systems
  • Mobile Apps
  • Custom Builds
  • Market Entry

Company

  • WONLAB Inc.
  • CEO Jewon You
  • Daejeon · Seoul · Tokyo
  • Weekdays 10:00 – 19:00

© 2026 WONLAB Inc. · All rights reserved.