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Evrent - Event and Rental Manager

Published Jun 23, 2026

Last Updated Sep 30, 2026

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evrent---event-and-rental-manager.live

Desktop View

Evrent - Event and Rental Manager

Primary application interface and landing showcase

Case Study & Technical Details

A mobile application for managing events, rental equipment, and catering services, designed for both event professionals and individuals.

Built with an **offline-first approach**, Evrent centralizes event management, rental operations, catering, payments, invoicing, and reporting in a single mobile application.

## Objectives & Challenges

* Build a unified mobile solution covering multiple event-related business workflows.
* Ensure core operations remain fully available without an internet connection.
* Structure the application so that each business domain can evolve independently.
* Handle financial information such as partial payments and remaining balances across events and orders.
* Provide advanced features such as PDF invoices, analytics, notifications, and premium functionality while maintaining a clean application architecture.

## Tech Stack

* **Framework**: Flutter
* **Language**: Dart
* **Architecture**: Feature-based Clean Architecture
* **State Management**: Riverpod
* **Navigation**: GoRouter
* **Local Database**: SQLite (sqflite)
* **Local Storage**: Shared Preferences
* **UI**: Material Design 3, Google Fonts
* **Charts**: fl_chart
* **PDF**: pdf, printing
* **Notifications**: flutter_local_notifications, timezone
* **Localization**: Flutter Localization, ARB
* **CI/CD**: Codemagic

## Key Features

1. **Event Management**: Create and manage events with customer information, dates, budgets, and statuses.
2. **Rental Management**: Manage rental inventory, stock levels, and rental orders associated with events.
3. **Catering Management**: Create menus and dishes and manage catering orders with per-person pricing and guest capacity.
4. **Payment Tracking**: Handle partial payments and track paid amounts and remaining balances.
5. **PDF Invoices**: Generate invoices from events, rental orders, and catering orders.
6. **Reports & Analytics**: Monitor revenue, inventory utilization, and top-performing items.
7. **Dashboard**: View activity summaries, upcoming events, quick actions, and revenue charts.
8. **Local Notifications**: Receive reminders for upcoming events, equipment returns, and low-stock items.
9. **Offline-First**: Store core application data locally in SQLite, allowing the application to operate without an internet connection.
10. **Multilingual Interface**: Support English, French, and German.
11. **Themes & Customization**: Provide light and dark modes with customizable primary colors.
12. **Premium Features**: Integrate premium functionality and in-app purchases.

```dart
// Feature-based structure
lib/
├── features/
│   ├── events/
│   ├── rentals/
│   ├── catering/
│   ├── reports/
│   └── invoice/
```

Each major feature follows a `domain → data → presentation` structure, keeping business logic, data access, and UI concerns separated.

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