Mango

Daily sales reporting for restaurant operators

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June 10, 2026 Selling Mango – A Restaurant SaaS MVP with Real Users – $500

Hey IH community,

Selling Mango, a daily sales management SaaS built specifically

for restaurant operators.

The backstory:

Built this as an internal tool for my own 6-location Japanese restaurant

chain in South Korea. It replaced our daily KakaoTalk reports and Excel

spreadsheets. The team uses it every single day.

Key metrics:

- MRR: $0 (pre-revenue)

- Active locations: 6

- Daily submissions: 6+

- Monthly infra cost: $0

- Time to first customer: immediate (landing page live)

Tech stack:

- Frontend: HTML/CSS/JS on GitHub Pages (free)

- Backend: Google Apps Script (free)

- DB: Google Sheets (auto-generated per customer)

- Mobile: PWA (iOS + Android)

What's included:

✅ Full source code

✅ Landing page with Google Forms lead capture

✅ User onboarding guide

✅ 30 days email support post-sale

Growth opportunities:

- Add Supabase backend for proper multi-tenant SaaS

- Connect Stripe/Toss for automated billing

- White-label to franchise HQs (1 deal = instant 10~100 locations)

- Expand beyond Korean market

Asking: $500

Open to offers.

Happy to jump on a call to walk through the product.

Contact: sammon1@naver.com

Landing: https://mango0610.github.io/mango/landing.html

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About

Built as an internal tool for a real 6-location restaurant chain in South Korea. Replacing daily KakaoTalk reports and Excel spreadsheets with a mobile-first SaaS. Now selling to focus on restaurant operations.