Odoo Accounting vs OnPay
A head-to-head comparison to help you pick the right tool
Last updated: April 30, 2026
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.
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.
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
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
Odoo Accounting vs OnPay: Side by Side
| Factor | Odoo Accounting | OnPay |
|---|---|---|
| User Rating | N/A | N/A |
| Category | Accounting Software | Payroll Software |
| Pricing Model | Freemium | Paid |
| Starting Price | Contact for pricing | $40/mo + $6/person |
| Best For | Businesses already using or considering Odoo ERP wanting tightly integrated accounting within one platform | Small businesses wanting affordable, full-service payroll with no hidden fees |
| Our Pick | — | — |
Odoo Accounting Features
- ✓Accounting
- ✓invoicing
- ✓inventory management
- ✓bank reconciliation
- ✓multi-currency
- ✓financial reporting
OnPay Features
- ✓Unlimited payroll runs
- ✓automatic tax filing
- ✓direct deposit
- ✓employee self-service
- ✓HR tools
- ✓benefits administration
- ✓PTO management
- ✓integrations
Pricing Comparison
Our Take
Choose Odoo Accounting if businesses already using or considering odoo erp wanting tightly integrated accounting within one platform. Choose OnPay if 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
Best For
Small businesses wanting affordable, full-service payroll with no hidden fees
Also Consider
If neither Odoo Accounting nor OnPay is the right fit, Dext is worth evaluating.
Dext
Bookkeepers, accountants, and businesses with high receipt volumes wanting to eliminate manual data entry
From $15/mo
Frequently Asked Questions
What is the difference between Odoo Accounting and OnPay?
Odoo Accounting is best for businesses already using or considering odoo erp wanting tightly integrated accounting within one platform. OnPay is best for small businesses wanting affordable, full-service payroll with no hidden fees.
Which is better, Odoo Accounting or OnPay?
Choose Odoo Accounting if businesses already using or considering odoo erp wanting tightly integrated accounting within one platform. Choose OnPay if small businesses wanting affordable, full-service payroll with no hidden fees.
How much does Odoo Accounting cost?
Visit Odoo Accounting website for current pricing.
How much does OnPay cost?
OnPay starts at $40/mo + $6/person. Pricing model: Paid.
Who should use Odoo Accounting?
Businesses already using or considering Odoo ERP wanting tightly integrated accounting within one platform
Who should use OnPay?
Small businesses wanting affordable, full-service payroll with no hidden fees