ADP Celergo vs OnPay Comparison
ADP Celergo
Starting at Contact for pricing
- Medium Business
- Small Business
ADP® Celergo provides managed payroll services through a platform that features extensive and flexible reporting capabilities. This innovative platform, supported by ADP’s client services team, streamlines and ensures th…
OnPay
Starting at $40 /Month
- Free Trial
- Freelancers / Consultants
- Large Enterprises
OnPay is an intuitive online payroll software designed to meet the needs of supervisors, managers, payroll specialists and people who manage pay for hourly or salaried staff. OnPay helps companies of all sizes reduce cos…
OnPay leads on user satisfaction with a 5.0-star rating across 434 reviews.
ADP Celergo vs OnPay — at a glance
| Feature | ADP Celergo | OnPay |
|---|---|---|
| Rating | — | 5.0 / 5 |
| Reviews | — | 434 |
| Starting price | Contact for pricing | $40 /Month |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Medium Business, Small Business | Freelancers / Consultants, Large Enterprises, Medium Business |
| Category | Payroll Software | Payroll Software |
| Integrations | — | 10+ apps |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud |
| API | Available | — |
| Support modes | Online | Business Hours, Online |
| Certifications | — | SOC 2, GDPR |
| Data residency | — | US |
Key differences between ADP Celergo and OnPay
- Pricing: OnPay starts at $40 /Month. ADP Celergo pricing is not publicly listed.
- Free trial: OnPay offers a free trial; ADP Celergo does not.
- Target audience: ADP Celergo is built for Medium Business and Small Business, while OnPay targets Freelancers / Consultants and Large Enterprises.
- Deployment: ADP Celergo supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; OnPay supports SaaS/Web/Cloud.
ADP Celergo vs OnPay — find the better fit before you commit.
Which tool fits your team best
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Where each product wins, per real buyers
Most Payroll Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
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ADP Celergo vs OnPay: Biggest differences
Start here before you go deeper into features.
Best for multinational companies needing managed, accurate multi-country payroll services.
- You require comprehensive managed payroll services with dedicated client support.
- Your company operates payroll across multiple countries needing consolidated, accurate reporting.
- You have payroll, HR, or finance teams managing complex, enterprise-level payroll workflows.
- You are a very small business with payroll only in a single country.
- You want a fully self-service payroll platform without reliance on managed services.
Best for small businesses seeking simple, automated payroll with excellent support.
- You run a small business with 1-100 employees needing straightforward payroll processing.
- You want to automate payroll calculations and tax filings to reduce errors and save time.
- You value exceptional, responsive customer service and easy integration with accounting tools.
- You are a large enterprise requiring complex payroll customizations and advanced features.
- You need an all-in-one HR platform including recruitment or performance management.
ADP Celergo: Best for multinational companies needing managed, accurate multi-country payroll services. OnPay: Best for small businesses seeking simple, automated payroll with excellent support.
Description | ADP® Celergo provides managed payroll services through a platform that features extensive and flexible reporting capabilities. This innovative platform, supported by ADP’s client services ... Read More about ADP Celergo | OnPay is an intuitive online payroll software designed to meet the needs of supervisors, managers, payroll specialists and people who manage pay for hourly or salaried staff. OnPay helps ... Read More about OnPay |
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Entry Level Pricing |
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Free Trial Availability |
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SpotScoreWhat's this? ↗ | Not Available | 9.4/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 51-500 employees501-1000 employees | 1-100 employeesSmall Business |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
No key benefits available yet.
- OnPay simplifies payroll processing, saving hours each week by automating calculations and filings—so you can focus on running your business.
- With a user-friendly interface and intuitive dashboards, your team can easily manage payroll, benefits, and taxes without needing extensive training.
- OnPay integrates smoothly with popular accounting tools, improving efficiency and eliminating manual data entry.
Best fit
No best-fit guidance available yet.
- 1-100 employees
- Healthcare, SaaS, Consulting, Professional Services, Nonprofits, Financial Services, Marketing Agencies
- HR Managers, Payroll Administrators, Office Managers, Finance Managers, Small Business Owners
Reasons buyers look elsewhere
No alternatives guidance available yet.
- Users may explore alternatives if they require more advanced HR management features, such as extensive employee onboarding, robust benefit administration, or detailed performance tracking.
- Companies seeking greater scalability might prefer alternatives that easily accommodate rapid growth, complex payroll structures, or increased employee counts without compromising system performance.
- Businesses operating internationally or with global teams might consider alternatives offering broader international payroll support and compliance tools for multiple regions and currencies.
Software Demo
Demo |  ADP Celergo has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do ADP Celergo and OnPay Compare on Features?
Total Features | 14 Features | 13 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare ADP Celergo and OnPay on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Pricing Page | Pricing information not available |  |
ADP Celergo vs OnPay: Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
ADP Celergo vs OnPay Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
|---|---|---|
HIPAA | — | ✗ No |
GDPR | — | ✓ Yes |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | — | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | — | 🇺🇸 US |
ADP Celergo User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
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Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | Buyer sentiment Insufficient publicly available user ratings and reviews to determine overall sentiment. What buyers like
Common complaints
| Buyer sentiment Buyers overwhelmingly praise OnPay for its ease of use, automation capabilities, and excellent customer support, especially among small businesses and nonprofits. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Integrations
Integration with other apps | No Integration information available. |
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ADP Celergo and OnPay Customers
Customers | No Customers information available. |  BlueBird  Cartecay  Evergreen |
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Media and Screenshots
Screenshots |  1 Screenshots |  7 Screenshots |
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Videos | No videos available. |  3 Videos |
Top Alternatives to ADP Celergo and OnPay in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, ADP Celergo or OnPay?
- OnPay edges out the other on user ratings (5.0 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do ADP Celergo and OnPay offer a free trial?
- OnPay offers a free trial. ADP Celergo does not.
- What is the starting price of ADP Celergo vs OnPay?
- ADP Celergo starts at Contact for pricing. OnPay starts at $40 /Month.
- What are the top alternatives to ADP Celergo?
- Top alternatives to ADP Celergo include Payslip, activ8, Oracle Peoplesoft, ADP GlobalView Payroll, AYP Group.
- What are the top alternatives to OnPay?
- Top alternatives to OnPay include Square Payroll, APS Payroll, Heartland Payroll, QuickBooks Payroll, Justworks.