MicroReceipts Caribbean

Complete End-to-End User Guide, Accounting Ledger & Data Privacy Manual

๐Ÿ“ฑ Progressive Web App (PWA) โšก 100% Offline Ready ๐Ÿ”’ Zero-Cloud Private Sandbox ๐Ÿ“Š QuickBooks Online Compatible

๐Ÿ“‘ Table of Contents

1. App Architecture & Mobile Navigation

MicroReceipts utilizes a high-efficiency two-tab segmented workstation engineered specifically for fast mobile touchscreens:

On mobile phones, tap "๐Ÿ‘๏ธ Review Receipt โ†’" at the base of the Builder to glide smoothly to the Preview tab. Tap "โ† Back to Receipt Builder" to edit items with zero data loss.

2. Business Identity & Branding

Start at the Business Information card. Your entries are saved automatically on your phone so you only type them once:

3. Customer Information

Enter the buyer's details for direct delivery and itemized record-keeping:

4. Adding Items & 3 Sales Workflows

MicroReceipts provides three flexible workflows adapted to any sales velocity:

Workflow A: Quick Total Mode (Fastest โ€” 3 Seconds)

Ideal for flat-rate trades, mobile deliveries, or quick services. Keep Row 1, type a description (e.g. Bumper Repair), enter Qty: 1, and input the total fee.

Workflow B: Itemized Multi-Item Auto-Sum

Ideal for multi-item retail, grocery baskets, or parts + labour:

  1. Input description, quantity, and unit price in Row 1.
  2. Tap "+ Add Item" to spawn additional line items.
  3. The engine auto-tallies Qty ร— Unit Price, calculates VAT, and sums the grand total live.
  4. Tap the ๐Ÿ—‘๏ธ Delete icon to discard any item immediately.

Workflow C: Quick-Add Catalog Chips ("3-Second Builder") PRO

Tap any saved catalog chip above the items table (e.g. Labour ($150), Delivery ($50)) to inject product descriptions and prices instantly with zero typing. Manage and save catalog presets anytime in the ๐Ÿ“ Catalog manager.

5. Regional Currency, VAT & Payments

Tailor your sales parameters to Caribbean and international commerce:

6. Live Thermal Receipt Preview

Switch to the ๐Ÿงพ Preview & Share tab to view your thermal receipt replica:

7. Delivering Receipts (3 Output Actions)

Action 1: ๐Ÿ“ฑ 1-Tap WhatsApp Direct Delivery

Formats a clean, structured text invoice and launches WhatsApp directly into the client's chat without saving contacts:

๐Ÿงพ RECEIPT: REC-1042
๐Ÿข Trinidad Tech Solutions
๐Ÿ‘ค Customer: Sarah Hosein
๐Ÿ“… Date: 09/21/2026 10:30

--------------------------------
โ€ข Acrylic Plates (Pair) (x1 @ $350.00) = $350.00
โ€ข Fitting Service (x1 @ $50.00) = $50.00
--------------------------------
Subtotal: $400.00
VAT (12.5%): $50.00
GRAND TOTAL: $450.00 TTD
Payment: WiPay

Thank you for your business!
    

Action 2: ๐Ÿ–จ๏ธ Print / Save PDF

Triggers native browser printing formatted exclusively for 58mm/80mm Bluetooth/USB thermal printers or pristine PDF export with web buttons suppressed.

Action 3: ๐Ÿ’พ Save Receipt

Stores the completed sale record into your offline local history store with deduplication.

8. History Tracking & Universal QuickBooks Export

Tap ๐Ÿ“‹ History in the top header to access your offline ledger:

9. MicroReceipts PRO Features & Activation

Unlock enterprise capabilities for high-volume merchants and established firms:

Activation Instructions:

Pricing: TT$50 / month or TT$450 / year (2 months free).

Send TT$50 via Wam Pay to @gurutt (or request bank transfer), tap the WhatsApp confirmation button, and enter your 16-character license key in the PRO modal to unlock all features immediately.

10. Data Security & Privacy Architecture Zero-Cloud

MicroReceipts is engineered on a Local-First, Zero-Knowledge Architecture designed to give Caribbean MSMEs enterprise-level privacy without central data vulnerability:

๐Ÿ”’ Pillar 1: 100% On-Device Sandboxing

All sales ledgers, customer names, transaction amounts, custom logos, and merchant details live exclusively inside your phone's browser sandbox (localStorage). Data never leaves your device unless you explicitly choose to dispatch a receipt via WhatsApp or export a spreadsheet.

๐Ÿ›ก๏ธ Pillar 2: Zero Cloud Database (Immune to Server Hacks)

There is no centralized database holding customer records, sales volumes, or phone numbers. Because we do not store your numbers on our servers, there is nothing for a hacker to breach, and we cannot see your revenue even if we wanted to.

โšก Pillar 3: Encrypted In-Transit & Zero Tracking

The web application shell is delivered over encrypted HTTPS (TLS 1.3 with strict HSTS headers). Zero third-party tracking pixels, advertising scripts, or invasive analytics cookies are embedded.

๐Ÿ“ฒ Pillar 4: End-to-End Encrypted Delivery

WhatsApp dispatches bypass third-party servers and launch directly into your native WhatsApp client, protected by WhatsApp's Signal protocol end-to-end encryption.