---
description: Compare OnPay vs Paychex Flex for Irish businesses. GetApp provides a side-by-side comparison with details on software price, features and reviews.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: OnPay vs Paychex Flex Comparison | GetApp Ireland 2026
---

Breadcrumb: [Home](/) > [Onboarding Software](/directory/730/onboarding/software) > [OnPay \<span\>vs\</span\> Paychex Flex](https://www.getapp.ie/compare/110713/111111/onpay/vs/paychex-flex)

# Compare OnPay vs Paychex Flex

Canonical: https://www.getapp.ie/compare/110713/111111/onpay/vs/paychex-flex

> Detailed comparison between OnPay and Paychex Flex. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | OnPay | Paychex Flex |
| **Overall rating** | 4.8/5 | 4.2/5 |
| **Total Reviews** | 464 | 1797 |
| **Starting Price** | US$49.00 | - |
| **Free Trial** | Yes | No |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat | Email/Help Desk, Phone Support, 24/7 (Live rep), Chat |
| **Training** | Live Online, Webinars, Documentation, Videos | In Person, Live Online, Webinars, Documentation |

## Key features

### OnPay

- Accounting
- Activity Tracking
- Audit Trail
- Benefits Dashboard
- Benefits Management
- Check Printing
- Configurable Workflow
- Customisable Templates
- Dashboard
- Document Management
- Employee Portal
- Employee Self Service
- HR Management
- HSA/FSA Administration
- Process/Workflow Automation
- Real-Time Reporting
- Reminders
- Tax Calculation
- W-2 Preparation
- Web-based Deployment

### Paychex Flex

- Accounting
- Activity Tracking
- Audit Trail
- Benefits Dashboard
- Benefits Management
- Check Printing
- Configurable Workflow
- Customisable Templates
- Dashboard
- Document Management
- Employee Portal
- Employee Self Service
- HR Management
- HSA/FSA Administration
- Process/Workflow Automation
- Real-Time Reporting
- Reminders
- Tax Calculation
- W-2 Preparation
- Web-based Deployment

## Links

- [View OnPay Profile](https://www.getapp.ie/software/110713/onpay)
- [View Paychex Flex Profile](https://www.getapp.ie/software/111111/paychex-flex)
- [View Original Comparison](https://www.getapp.ie/compare/110713/111111/onpay/vs/paychex-flex)

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