---
description: Side-by-side comparison of Synerion vs REI3. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Synerion vs REI3 Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Absence Management Software](/directory/33376/absence-management/software) > [Synerion \<span\>vs\</span\> REI3](https://www.capterra.co.uk/compare/129186/1033806/synerion/vs/rei3)

# Compare Synerion vs REI3

Canonical: https://www.capterra.co.uk/compare/129186/1033806/synerion/vs/rei3

> Detailed comparison between Synerion and REI3. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Synerion | REI3 |
| **Overall rating** | 4.7/5 | - |
| **Total Reviews** | 100 | 0 |
| **Starting Price** | US$2.00 | €85.00 |
| **Free Trial** | No | Yes |
| **Free Version** | No | Yes |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Windows (On-Premise), Linux (On-Premise), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based, Linux (Desktop), Windows (On-Premise), Linux (On-Premise) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat | Email/Help Desk, FAQs/Forum |
| **Training** | In Person, Live Online, Webinars, Documentation, Videos | In Person, Live Online, Documentation |

## Best for

### Synerion

Synerion has solutions that meet the needs for small, medium and large organizations.

### REI3

Designed for small to midsize businesses, it is a business management solution that helps manage employee attendance, handle tasks, oversee absence request status, and more.

## Key features

### Synerion

- API
- Alerts/Notifications
- Approval Process Control
- Biometric Recognition
- Calendar Management
- Employee Database
- Employee Scheduling
- Labor Cost Reporting
- Leave Policy Management
- Mobile Alerts
- Performance Management
- Real-Time Data
- Reminders
- Reporting/Analytics
- Role-Based Permissions
- Self Service Portal
- Skills Tracking
- Team Calendars
- Time Off Management
- Time Tracking

### REI3

- API
- Alerts/Notifications
- Approval Process Control
- Calendar Management
- Employee Database
- Leave Policy Management
- Reporting/Analytics
- Role-Based Permissions
- Self Service Portal
- Time Off Management
- Time Tracking

## Links

- [View Synerion Profile](https://www.capterra.co.uk/software/129186/synerion)
- [View REI3 Profile](https://www.capterra.co.uk/software/1033806/rei3)
- [View Original Comparison](https://www.capterra.co.uk/compare/129186/1033806/synerion/vs/rei3)

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