How to Build Your Own ExpenseOut
Replace ExpenseOut with a custom build. Next generation travel and expense management solution
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 27 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 27 features
Workflow(5 features)
Approval workflow for cash advance requests
Multi-tier approval process for expense claims with configurable approval hierarchies
Set up approval flows to ensure every transaction is accounted for and detect and stop fraudulent expense claims
Basic single-level approval process for expense claims
Simplified single-layer settlement process for reimbursements
Reporting(4 features)
Perform department-wise expense audits to double-check reports for accuracy and proper documentation, with bird's eye view of expense necessity and policy alignment
Comprehensive auditing reports for detailed expense analysis
Clear and comprehensive expense reports generated automatically
View company expenses in real-time from the time money is spent by an employee to when it is reimbursed by the accounting team
Expense Tracking(3 features)
Track expenses by customer or project for better cost allocation
Track and manage mileage-based business expenses
Support for handling expenses in multiple currencies
Automation(2 features)
Automated per diem expense tracking and calculation
Scan receipts using OCR technology to automatically generate clear expense reports and enable faster reimbursements without preserving physical receipts
Compliance(2 features)
Automatically ensure that all employee spending adheres to company policy with the ability to make exceptions for justified violations
Set and enforce clear policy guidelines on how company money is to be spent
Financial Management(2 features)
Ability to request and manage cash advances for employees
Quickly assess and settle reimbursement claims of employees
Integration(2 features)
Integration with Enterprise Resource Planning systems
Integration with Travel Management Companies and Online Travel Agencies
Mobile(2 features)
Take pictures of receipts on mobile phones to update expenses on the go
Approve expenses on the go in a matter of seconds from mobile devices
Cost Calculator
Keep Paying ExpenseOut
Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 27 features at very easy complexity.