ADP Run vs OnPay
A head-to-head comparison to help you pick the right tool
Last updated: April 30, 2026
ADP Run
ADP Run is a payroll and HR solution designed specifically for small businesses with 1-49 employees. It is powered by ADP, the world's largest payroll provider, giving small businesses access to enterprise-grade payroll processing and compliance tools. ADP Run offers multiple plan tiers from basic payroll to full HR suite depending on the business needs.
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
- ✓Backed by ADP's decades of payroll expertise and compliance knowledge
- ✓Scalable — can grow with your business to ADP Workforce Now
- ✓Strong mobile app for running payroll on the go
- ✓Extensive integration ecosystem
Cons
- ✗Pricing is not transparent and can be expensive compared to competitors
- ✗Customer service quality can be inconsistent
- ✗Upselling of additional services reported by customers
- ✗Interface is less modern than newer payroll tools
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
ADP Run vs OnPay: Side by Side
| Factor | ADP Run | OnPay |
|---|---|---|
| User Rating | N/A | N/A |
| Category | Payroll Software | Payroll Software |
| Pricing Model | Paid | Paid |
| Starting Price | Custom pricing | $40/mo + $6/person |
| Best For | Small businesses that want enterprise-grade payroll reliability from a trusted brand | Small businesses wanting affordable, full-service payroll with no hidden fees |
| Our Pick | — | — |
ADP Run Features
- ✓Payroll processing
- ✓tax filing
- ✓direct deposit
- ✓employee onboarding
- ✓time tracking
- ✓benefits administration
- ✓workers compensation
- ✓HR support
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 ADP Run if small businesses that want enterprise-grade payroll reliability from a trusted brand. Choose OnPay if small businesses wanting affordable, full-service payroll with no hidden fees.
Best For
Small businesses that want enterprise-grade payroll reliability from a trusted brand
Best For
Small businesses wanting affordable, full-service payroll with no hidden fees
How ADP Run and OnPay Are Similar
- •Both are Payroll Software platforms designed for business teams
- •Both offer web-based access with no software installation required
- •Both provide customer support and onboarding resources
- •Both integrate with popular third-party business tools
- •Both offer a trial or demo to evaluate before purchasing
Also Consider
If neither ADP Run nor OnPay is the right fit, Multiplier is worth evaluating.
Multiplier
Startups and SMBs hiring internationally on a budget
From $40/contractor/mo
Frequently Asked Questions
What is the difference between ADP Run and OnPay?
ADP Run is best for small businesses that want enterprise-grade payroll reliability from a trusted brand. OnPay is best for small businesses wanting affordable, full-service payroll with no hidden fees.
Which is better, ADP Run or OnPay?
Choose ADP Run if small businesses that want enterprise-grade payroll reliability from a trusted brand. Choose OnPay if small businesses wanting affordable, full-service payroll with no hidden fees.
How much does ADP Run cost?
ADP Run starts at Custom pricing. Pricing model: Paid.
How much does OnPay cost?
OnPay starts at $40/mo + $6/person. Pricing model: Paid.
Who should use ADP Run?
Small businesses that want enterprise-grade payroll reliability from a trusted brand
Who should use OnPay?
Small businesses wanting affordable, full-service payroll with no hidden fees