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Investor Presentation

Invoice Generator


Professional invoicing, client management & analytics.
Encrypted. Offline-first. Built for business.

Executive Summary


Invoice Generator is a cross-platform business management application that enables SMBs to create professional invoices, manage clients, track payments, and analyze revenue — all from a single, secure, offline-capable app.

Built with Flutter for Android, iOS, Desktop & Web, targeting retail and service businesses in the Maldives and South Asia where mobile-first invoicing with enterprise-grade security is an unmet need.

<2min
Per Invoice
15K+
Target SMBs
AES-256
Encryption

The Problem


Small business owners in retail, services, and trade struggle with invoicing and financial tracking:

  • Manual processes — Handwritten invoices or basic spreadsheets lead to errors and lost revenue
  • No financial visibility — Cannot track sales trends, top clients, or payment patterns
  • Data insecurity — Sensitive business data stored in unsecured files or notebooks
  • Connectivity limitations — Cloud-only solutions fail with unreliable internet
  • Language & currency barriers — No support for MVR (،) or local GST structures
  • No professional output — Invoices lack branding, consistency, and formatting

Result: revenue leakage, poor client relationships, and uninformed decisions.

The Solution


Streamlined business operations in a single encrypted app:

Setup

Business profile, GST number, branding

Create

Line items, GST, discounts, delivery

Generate

Professional branded PDF invoices

Track

Payments, analytics & revenue charts

2.5h+

Saved daily for a business creating 20 invoices

Before: 200 min/day → After: 40 min/day

Key Features


📄

Invoice Lifecycle

Draft → Sent → Paid → Overdue. Line items with GST (8%), discounts, delivery charges. Auto-generated numbers.

🗎

PDF Generation

Branded PDFs with dynamic "INVOICE" vs "TAX INVOICE" title. Itemized tables. Share via WhatsApp, email. MVR formatting.

👥

Client Management

Encrypted database with search, sort, filter. Island-based filtering. Soft delete with recovery. Paginated lists.

📈

Business Analytics

Revenue charts, payment method breakdown, sales trends, top clients, status analysis. Custom date ranges.

Security & Architecture


🔒

AES-256 Encryption

Field-level encryption for phone numbers, GST numbers, and all sensitive data. Platform-native key storage.

🔐

Biometric + PIN

Fingerprint & Face ID. Account lockout after 5 failed attempts. Comprehensive audit trail.

Offline-First

Full functionality without internet. SQLite local DB. Auto cloud sync when online. Pending sync queue.

🛠

Admin Panel (Web)

Remote business control. Promotional image management. Firebase-authenticated admin access.

Theme & Color System


Light Mode

ElementColor
Primary#607D8B Blue-gray
Secondary#90A4AE Light blue-gray
Surface#FFFFFF White
Background#FAFAFA Off-white
Text#212121 / #757575
Error#D32F2F Red

Dark Mode

ElementColor
Primary#90A4AE Light blue-gray
Secondary#607D8B Blue-gray
Surface#1E1E1E Dark surface
Background#121212 Dark
Text#E0E0E0 / #B0B0B0
Error#CF6679 Soft red

Design Principles

Material 3
Flat UI, no shadows
Frameless
No AppBars, floating nav
Thin Borders
Rounded corners
Invoice Branding
Theme colors in PDFs

Market Opportunity


Target Segment

  • Primary: SMBs needing professional invoicing (retail, services, hospitality, trade)
  • Geography: Maldives (initial), expandable to South Asia & emerging markets
  • Size: 15,000+ registered small businesses in the Maldives alone
FactorOpportunity
Manual invoicing60%+ of SMBs in emerging markets still use paper or basic tools
Mobile-first economy90%+ smartphone penetration in Maldives
GST complianceBusinesses need proper tax invoicing — manual methods cause risk
Data securityGrowing demand for encrypted, secure business tools
Offline necessityIsland geography means unreliable connectivity is the norm
Local currency & taxNo competitor supports MVR with Maldivian GST natively

Competitive Landscape


FeatureInvoice GenQuickBooksWaveManual
Time per invoice< 2 min3-5 min3-5 min10-15 min
Works offlineYesNoNoPartial
Biometric securityYesNoNoNo
AES-256 encryptionYesServer-sideServer-sideNo
Local GST (8%)YesGenericGenericManual
MVR currencyNativeAdd-onNoManual
Analytics/chartsYesPremiumBasicNo
CostFree/Low$30+/moFree (limited)Free

Application Architecture


Tech Stack

  • Framework: Flutter 3.10+ (4 platforms)
  • State: Provider (reactive)
  • Local DB: SQLite via sqflite
  • Cloud: Firebase (Firestore, Auth, FCM)
  • Security: AES-256, Secure Storage, Local Auth
  • PDF: dart pdf + printing
  • Charts: fl_chart
  • Routing: go_router
Splash PIN / Biometric | +-- Dashboard | +-- Today & Monthly Sales | +-- Due Invoices Alert | +-- Invoices (CRUD + PDF + Status) +-- Clients (Encrypted DB) +-- Items & Services (Catalog) +-- Settings (Profile, Security, | Reports, Audit, Theme) | Admin Panel (Web — Firebase Auth)

Business Model


Subscription Tiers

  • Free: basic invoicing (limited/month)
  • Professional: unlimited, analytics, PDF branding
  • Business: multi-user, cloud sync, admin panel

Premium Features

  • Advanced analytics dashboards
  • Bulk invoice generation
  • Custom PDF templates
  • Scheduled reminders

White Label / B2B

  • Franchise branded versions
  • Accounting firms for SMB clients
  • Industry-specific customizations

Add-On Services

  • Cloud backup with retention
  • Tax filing integration
  • Inventory management module
  • API for third-party integrations

Impact


2.5h+

Saved daily — 20 invoices x 10 min → 20 x 2 min

Redirected to serving customers and growing the business

Financial Visibility

Real-time revenue tracking. Payment method analysis. Top client identification. Overdue alerts.

Professional Image

Branded PDF invoices. Consistent formatting. GST compliance. Digital records for dispute resolution.

Data Security

Encrypted storage. Biometric lock. Audit trail accountability. Encrypted backups for continuity.

Accessibility

Mid-range devices. Full offline. No accounting knowledge needed. Local currency & tax built-in.

Growth Roadmap


Phase 1 — Current
  • Complete invoice lifecycle
  • Client DB with encryption
  • PDF generation & sharing
  • Analytics with charts
  • Biometric + AES-256
  • Offline + Firebase sync
  • Admin panel & audit trail
Phase 2 — Next
  • Multi-currency (USD, INR, LKR)
  • Custom PDF templates
  • Recurring invoices
  • Payment reminders (SMS/WA)
  • Inventory & stock alerts
  • Multi-language support
  • Expense tracking
Phase 3 — Future
  • Multi-user + role-based access
  • API for third-party systems
  • AI cash flow forecasting
  • Tax filing integration
  • Receipt scanning (OCR)
  • Customer payment portal
  • Template marketplace

Technical Highlights


Codebase~8,000+ lines of Dart
PlatformsAndroid + iOS + Web + Desktop
Dependencies46 production packages
EncryptionAES-256 field-level
DatabaseSQLite + Firestore
Data models8 core models
Repositories7 specialized repos
Services15+ (PDF, backup, audit...)

Key Decisions

  • Field-level encryption — AES-256 for phones, GST numbers, sensitive data
  • Repository pattern — clean separation of data access and business logic
  • Soft delete strategy — reversible deletion prevents accidental data loss
  • Frameless UI — no AppBars; floating navigation for maximum content area

Why Now


  • Digital invoicing mandates are expanding globally — early adoption positions for compliance
  • Mobile-first SMB tools are underpenetrated in South Asia; most solutions are desktop-centric or cloud-only
  • Data privacy regulations are tightening — encrypted, offline-capable tools have structural advantage
  • Post-pandemic digitization accelerated SMB demand for professional business tools
  • Flutter maturity enables true cross-platform (mobile, web, desktop) from a single codebase
  • Island economies need offline-first tools — a requirement cloud-only competitors cannot meet

Professional Invoicing.
Built for Business.


Enterprise-grade security meets mobile-first simplicity.
Encrypted, offline, and ready for every island.

<2min
Per Invoice
8K+
Lines of Code
4
Platforms

Developed by Devoup · Flutter / Dart / Firebase · Contact available through the application