---
description: Compare Stax vs Optillio. Learn more about each of the software’s price, features, and helpful software reviews for Irish business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Stax vs Optillio Comparison - Capterra Ireland 2026
---

Breadcrumb: [Home](/) > [Billing and Invoicing Software](/directory/30015/billing-and-invoicing/software) > [Stax \<span\>vs\</span\> Optillio](https://www.capterra.ie/compare/157492/1025272/fattmerchant-payments-online/vs/optillio)

# Compare Stax vs Optillio

Canonical: https://www.capterra.ie/compare/157492/1025272/fattmerchant-payments-online/vs/optillio

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

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## At a Glance

| Metric | Stax | Optillio |
| **Overall rating** | 4.0/5 | - |
| **Total Reviews** | 117 | 0 |
| **Starting Price** | US$99.00 | €58.00 |
| **Free Trial** | No | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Windows (On-Premise), Chromebook (Desktop) |
| **Support** | Email/Help Desk, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum |
| **Training** | Live Online, Webinars, Documentation, Videos | In Person |

## Best for

### Stax

Smalls Business Owners &#10;Franchises &#10;Chains &#10;Restaurants &#10;Bars &#10;Retail Stores &#10;E-commerce&#10;Professional Services &#10;Legal &#10;Hotels/Hospitality&#10;Healthcare&#10;Salon and Spa&#10;Health and Fitness

### Optillio

\-

## Key features

### Stax

- API
- Alerts/Notifications
- Billing & Invoicing
- Billing Portal
- Discount Management
- Invoice Creation
- Invoice History
- Multi-Currency
- Multi-Location
- Online Invoicing
- Payment Links
- Real-Time Data
- Receipt Management
- Reporting & Statistics
- Transaction Monitoring

### Optillio

- Alerts/Notifications
- Billing & Invoicing
- Billing Portal
- CRM
- Email Management
- Invoice Creation
- Invoice History
- Multi-Location
- Online Invoicing
- Projections
- Reminders
- Reporting & Statistics
- Timesheet Management

## Links

- [View Stax Profile](https://www.capterra.ie/software/157492/fattmerchant-payments-online)
- [View Optillio Profile](https://www.capterra.ie/software/1025272/optillio)
- [View Original Comparison](https://www.capterra.ie/compare/157492/1025272/fattmerchant-payments-online/vs/optillio)

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