Casha

A personal finance tracker that doesn't get in your way.

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Most finance apps make you feel like you're filing taxes. Casha doesn't. It's built around one idea: tracking your money should take seconds, not minutes. Clean interface, zero clutter, everything exactly where you'd expect it.

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What it does

Casha gives you a real-time picture of your finances without overwhelming you with features you'll never use. Add a transaction in two taps, see your balance update instantly, know exactly how far into your monthly budget you are — all from a single screen.

It's not trying to be a spreadsheet. It's trying to be the app you actually open.

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✦ Features

Balance Card The centerpiece of the dashboard. Your total balance, rendered on a customizable gradient card with a gyroscope-powered 3D tilt effect. Long-press to edit the gradient colors and type — linear, radial, sweep, or solid.

Income & Expense Tracking Every transaction gets a category, an icon, an optional note, and a date. The list is instantly searchable and filterable by type. Nothing is buried.

Category Breakdown A dedicated screen with pie and bar charts showing exactly where your money comes from and where it goes. Switch between expenses and income with a single tap.

Monthly Budget Set a spending limit and watch a progress bar fill up in real time. Goes red when you're over — politely, not aggressively.

Multi-currency Support USD, EUR, BYN, RUB — pick your primary currency in settings. Exchange rates are fetched automatically.

Biometric Lock Optional fingerprint protection on launch. One toggle in settings, zero friction in daily use.

Dark & Light Theme Follows your system theme automatically. Both themes are fully designed — not just inverted colors.

Localization English and Russian, switchable in settings. Date formats, month names, category labels — everything adapts.

Amount Formatting Choose between compact (1.2K) or full number display depending on how you think about money.

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📱 Screenshots

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🛠 Tech Stack

Layer	Technology
Framework	Flutter 3
State management	Riverpod
Navigation	go_router
Charts	fl_chart
Storage	shared_preferences + SQLite
Fonts	Google Fonts (Poppins + Nunito)
Sensors	sensors_plus
Auth	local_auth

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🚀 Getting Started

Prerequisites

• Flutter ^3.11.1
• Android SDK (min API 21)
• JDK 17+

Clone & run

git clone https://github.com/koloideal/casha.git
cd casha
flutter pub get
flutter run

Build release APK

flutter build apk --release

Build for Google Play

flutter build appbundle --release

_{casha — powered with ❤️ by kolo}