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Finance Engine · v1.0Flutter · Dart · SQLite / Drift

High-Precision Personal Finance Without Cloud Lock-In

An offline-first, double-entry financial ledger engineered for Windows and Android. Built with zero floating-point math to guarantee integer-cent calculation accuracy.

Equa Finance Application

Integer-Cent Arithmetic

Eliminates IEEE-754 floating point rounding errors by storing every monetary figure as an exact integer sub-unit (cents/poisha).

100% Penny-Accurate

Offline-First Drift / SQLite

Zero network latency. All transactions and balance reconciliations execute in under 5 milliseconds on local device storage.

Sub-5ms Query Speeds

Zero Cloud Surveillance

Your banking balances, incomes, and expenses never leave your machine. No accounts, no advertising trackers, no telemetry.

Total Financial Privacy
Technical Architecture

How Equa Solves Personal Finance Precision

01

Double-Entry Engine

Automated FinancialEngine verifying that every debit matches an exact corresponding credit across ledger accounts.

02

Multi-Currency Rates

Track assets in BDT, USD, EUR, and GBP with localized conversion tables without cloud sync requirements.

03

MSIX Packaging

Packaged and code-signed for official Microsoft Store submission with automated background desktop updates.

04

48/48 Test Suite

Comprehensive unit test suite guaranteeing ledger balance calculations and zero memory leaks.

Application Visuals

Inside the Equa Interface

Cash Flow & Net Worth Analytics

Cash Flow & Net Worth Analytics

Visual breakdown of monthly income, recurring expense categories, and total net worth across multiple currencies.

Multi-Platform Distribution Engine

Multi-Platform Distribution Engine

Single cross-platform Flutter codebase compiled natively for Windows desktop and Android mobile.

Microsoft Store Verified Listing

Microsoft Store Verified Listing

Packaged via MSIX and verified through Microsoft Partner Center for frictionless 1-click Windows installation.

Got Questions?

Frequently Asked Questions

Standard floating-point numbers in computing introduce rounding errors (e.g. 0.1 + 0.2 = 0.30000000000000004). Equa stores every currency unit as integer cents/poisha (e.g. ৳100.50 is stored as 10050), ensuring mathematical precision across thousands of transactions.