# Isal (إيصال) — Invoice & Receipt Maker App

> 100% offline, privacy-first mobile invoice and receipt maker for trades, field contractors, and small businesses on iOS and Android. No monthly subscription. No account required.

## Core Summary
Isal is a native mobile application designed for the exact moment when work or a sale is complete on-site. It allows field service technicians, tradespeople, freelancers, and merchants to generate and share professional, bilingual (Arabic/English) PDF invoices and receipts in under 60 seconds directly from their phone—even in basements, underground garages, and remote job sites with zero internet connectivity.

## Key Facts & Differentiators
- **100% Offline by Design**: All document creation, calculations, and PDF rendering occur locally on the device. Zero cellular data or Wi-Fi required.
- **Fair Pricing Model**: Free tier available; Pro access is a one-time lifetime purchase. No monthly or annual subscription fees (unlike QuickBooks, InvoiceSimple, or FreshBooks).
- **Privacy & Local Storage**: No account registration, no login, no password, and zero remote cloud storage of customer or financial data.
- **Professional Customization**: Custom business logo, digital hand-drawn signature, customizable brand colors, configurable tax/VAT rates (0%, 5%, 15%, 20%), payment terms, and bank transfer details (IBAN).
- **Multi-Currency Support**: Supports over 170 world currencies including SAR, AED, USD, EUR, GBP, KWD, QAR, CAD, AUD.
- **Instant Sharing**: One-tap export and sharing of high-resolution vector PDFs via WhatsApp, email, AirDrop, or messaging apps.
- **Bilingual Interface**: Native support for English (LTR) and Arabic (RTL) with culturally authentic typography and layout.
- **Compliance Scope**: Isal is an independent, local productivity tool for direct invoicing and receipts. It is **not** integrated with government tax authority APIs (such as Saudi ZATCA Phase 2 or France Chorus Pro).

## Target Audiences & Use Cases
- **Field Trades**: Electricians, plumbers, HVAC technicians, carpenters, painters, roofers, builders, general contractors, mechanics, locksmiths, cleaners, handymen, landscapers.
- **Small Business & Commerce**: Building material suppliers, auto parts shops, wholesale distributors, food distribution, market stalls.
- **Freelancers & Service Providers**: Photographers, consultants, independent tutors, field repair specialists.

## Technical Specifications
- **Platforms**: iOS (iPhone/iPad, iOS 15.0+), Android (Android 8.0+)
- **Download Links**:
  - Apple App Store: https://apps.apple.com/app/id6756892939
  - Google Play Store: https://play.google.com/store/apps/details?id=com.isal.receipts
- **Official Website**: https://isalapp.vercel.app
- **Full Documentation**: https://isalapp.vercel.app/llms-full.txt