OnPay vs TriNet
A detailed comparison of OnPay and TriNet. See how they stack up on features, pricing, and user ratings.
At a Glance
| OnPay | TriNet | |
|---|---|---|
| Rating | 4.8/5 | 4.0/5 |
| Starting Price | $40/mo | N/A |
| Free Trial | Yes | No |
| Free Plan | No | No |
| Features | 7 | 9 |
| Best For | SMB | SMB |
Key Differences
OnPay and TriNet share 7 features. TriNet has 2+ unique features.
Only in TriNet
- Slack Integration
- Zapier Integration
OnPay
Straightforward cloud payroll solution for small businesses with full-service payroll, automatic tax filing, HR tools, and benefits administration at a simple flat-rate monthly price.
TriNet
Full-service PEO providing HR, payroll, benefits, risk management, and compliance for SMBs, with industry-specific expertise.
Feature Comparison
| Feature | OnPay | TriNet |
|---|---|---|
| Workflow Automation | ||
| Reporting Dashboard | ||
| EEO/OFCCP Compliance | ||
| GDPR Compliance | ||
| API Access | ||
| HRIS Integration | ||
| Mobile App | ||
| Slack Integration | ||
| Zapier Integration |
Pricing Comparison
OnPay
TriNet
Integrations
Both tools integrate with
Only OnPay
Only TriNet
Pros & Cons
OnPay
Pros
- +Simple, transparent pricing ($40 base + $6/person)
- +Full-service payroll with tax filing
- +HR tools and benefits admin included
- +Excellent for small businesses under 50 employees
Cons
- -No time tracking built in
- -US-only payroll
- -Limited to smaller companies
- -Fewer integrations than Gusto or Rippling
TriNet
Pros
- +Full-service HR outsourcing — payroll, benefits, compliance, risk management
- +Industry-specific packages (tech, finance, life sciences)
- +Access to Fortune 500-level benefits for small companies
- +Dedicated HR representative for ongoing support
Cons
- -Expensive compared to DIY HR software ($80-150/employee/month)
- -Less control over HR processes — you are outsourcing to TriNet
- -Contract terms can be inflexible
- -User interface is functional but not modern
Which Should You Choose?
Choose OnPay if:
- • Your company is SMB size
- • You want to try before committing (free trial available)
- • Higher user ratings matter to you (4.8 vs 4.0)
- • Simple, transparent pricing ($40 base + $6/person)
Choose TriNet if:
- • Your company is SMB size
- • You need a more feature-rich solution (9 vs 7 features)
- • Full-service HR outsourcing — payroll, benefits, compliance, risk management
How we evaluate tools
Our ratings combine verified user reviews from G2 and Capterra with hands-on feature analysis. Pricing is checked against official sources. We may earn a commission through affiliate links, but this never influences our rankings or recommendations. Read our full methodology.