Product · Fintech app for jewellers

Gold Jewellery Trade Ledger App – JamaUdhar

Gold Jewellery Trade Ledger Web and Mobile App. A web and mobile ledger (khata) for jewellers that tracks balances with goldsmiths and traders in both fine gold weight and rupees, with built-in purity calculations, linked two-party ledgers, branded PDF statements and a paid membership website.

Web app developmentMobile app developmentAPI developmentPayment integration
IndustryJewellery trade (fintech)
EngagementEnd-to-end SaaS development
ServicesWeb app development · Mobile app development · API development
PlatformReact · React Native (Expo) · iOS and Android
Party ledgerWeyBeeWeyBee

GoldRupees

12.40 g₹ 8,200

-3.15 g₹ 14,500

8.02 g-₹ 2,100

0.95 g₹ 31,000
Balance23.22 g₹ 51,600
2units per ledger: gold and rupees
Web + mobileone shared ledger
iOS + Androidone codebase
The idea

Jewellers keep running accounts with goldsmiths and traders in two units at once: fine gold weight and money. These ledgers were kept in paper books, purity conversions were done by hand, and disagreements between the two sides were common because each kept its own record.

The challenge
  • Keep every balance in fine gold and rupees at the same time.
  • Build the trade's purity maths (touch, melting and fine-gold conversion) into every entry.
  • Let both parties see and agree on the same ledger.
  • Offer the same ledger on web and mobile, sold on paid plans with invoices and support.
What WeyBee did

WeyBee built the product end to end: a React web application and a cross-platform React Native app for iOS and Android, both on a shared Laravel ledger API, plus a membership and billing service. Users sign up, buy plans through Razorpay, see invoices and raise support tickets on the web. When two users link their ledgers, every entry needs approval from the other side.

What it does
Dual-unit ledger

Every account tracked in fine gold weight and in rupees.

Purity calculations

Touch, melting and fine-gold conversions built into entries.

Linked ledgers

Two users connect their books; each entry needs the other side's approval.

Statements and sharing

Branded PDF ledger statements and watermarked transaction images to share.

Privacy protection

PIN lock and a decoy mode that opens an empty-looking app.

Web and mobile access

The same ledger on the web and on iOS and Android.

Membership and billing

Sign-up, paid plans, invoices and support tickets.

AI Engineering · Next

AI-ready by design.
Where AI fits next.

Ledgers in both gold weight and rupees are clean, structured data. AI can make them easier to read and act on.

Plain-language balances

Ask "how much fine gold do I owe this trader?" and get the answer.

Statement summaries

AI summaries of each party's activity for the month.

Entry from voice or photo

Create entries from a voice note or a photo of a slip.

Start with an AI use-case

One to two weeks to pick the use case and prove the data is ready.

Add AI to a system like this
DATAAlready in the platform
AI ENGINEModel to add
INSIGHTSignals surfaced
PRODUCTInside the workflow
ACTIONDecisions automated
How it is built
  1. Mobile app with 27 screens and a web application on the same API.
  2. Two Laravel APIs (ledger, and membership and billing) with around 60 endpoints.
Results
  • Jewellers replace paper khata books with a shared, verifiable digital ledger.
  • Purity maths is done by the app, not by hand.
  • The product sells itself through paid online plans.
Technology
ReactReact Native (Expo)iOS and AndroidLaravelMySQLRazorpayJWT
Related services
Next product

Jewellery E-Commerce Store

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