OnPay vs Odoo Accounting
A head-to-head comparison to help you pick the right tool
OnPay
OnPay is a full-service payroll and HR platform designed for small and mid-size businesses. It offers unlimited payroll runs, automatic tax filing, and built-in HR tools at an affordable flat rate. OnPay is consistently rated as one of the best value payroll solutions for small businesses and supports a wide range of industries including restaurants, farms, and nonprofits.
Odoo Accounting
Odoo Accounting is part of the broader Odoo ERP suite, offering invoicing, bank reconciliation, and financial reporting tightly integrated with sales, inventory, and operations modules.
Pros
- ✓Excellent value — flat monthly pricing with no per-run fees
- ✓Supports multiple pay schedules and unlimited payroll runs
- ✓Strong industry-specific features for restaurants, farms, and nonprofits
- ✓US-based customer support included on all plans
Cons
- ✗US-only — no international payroll support
- ✗Mobile app is less polished than competitors
- ✗Limited advanced HR features compared to full HRIS platforms
Pros
- ✓Deeply integrated with full Odoo ERP suite
- ✓Open source option available
- ✓Strong invoicing and reconciliation
- ✓Good for businesses wanting one system for everything
- ✓Competitive pricing
Cons
- ✗Can be complex to implement
- ✗Best value within full Odoo ecosystem
- ✗Community edition requires technical expertise
- ✗Support quality varies
Our Take
Choose OnPay if small businesses wanting affordable, full-service payroll with no hidden fees. Choose Odoo Accounting if businesses already using or considering odoo erp wanting tightly integrated accounting within one platform.
Best For
Small businesses wanting affordable, full-service payroll with no hidden fees
Best For
Businesses already using or considering Odoo ERP wanting tightly integrated accounting within one platform