Expensify/App

Features

• Expense Trackers - A collaborative expense management platform for splitting bills, managing shared expenses, and handling reimbursements.
• Offline-First Expense Managers - Ships an offline-first expense manager that applies actions optimistically to local state and queues them for server synchronization with automatic rollback.
• Receipt Capture and Digitization - Provides a mobile camera-based receipt capture and digitization feature that automatically extracts expense details for digital record-keeping.
• Receipt-to-Bill Conversion - Ships a receipt digitization tool that uses mobile camera scanning to automatically record expense details and convert them into digital records.
• Collaborative Finance Managers - Enables groups to split bills, track budgets, and manage shared expenses collaboratively.
• Receipt Digitization Tools - Captures receipts via mobile camera and automatically extracts merchant, amount, and date for digital record.
• Shared Expense Contributions - Splits bills and shared costs among groups with clear tracking of who owes what.
• Nested Set Modeling - Structures expenses, messages, and metadata under report objects in a nested document hierarchy.
• Cross-Platform - Ships a shared TypeScript and React codebase compiled for web and mobile with platform-specific build configurations.
• Reactive Data Stores - Implements a reactive client-side key-value store that broadcasts changes to subscribed components and persists to disk for offline access.
• Report-Based Document Hierarchies - Nests expenses, messages, and metadata under report objects that define participant context and state machine transitions.
• Optimistic Offline Queues - Applies user actions optimistically to local data with automatic rollback when the server rejects an operation.
• Optimistic Update Engines - Applies user actions optimistically to local state and queues them for server sync with automatic rollback on failure.
• Business Expense Reports - Supports creating, reviewing, and submitting expense reports with policy compliance checks for corporate reimbursement.
• Personal - Tracks and categorises daily personal expenses to help understand spending habits.
• Reimbursement Management - Provides a reimbursement workflow for submitting approved expenses for direct reimbursement or credit card reconciliation.
• Native Rendering Bridges - Serializes UI updates over a JSON message bridge to a native host that manages the real view hierarchy.
• JSON-Based Page Schemas - Fetches page layout and form field definitions as JSON schemas for dynamic UI updates without app store releases.
• JSON Schema-Driven UI Compositions - Ships a server-driven UI architecture where page layouts and form fields are defined by JSON schemas fetched from the backend.

Star history