---
description: Side-by-side comparison of Slack vs 123 Flash Chat. 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: Slack vs 123 Flash Chat Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Sales Enablement Software](/directory/30798/sales-enablement/software) > [Slack \<span\>vs\</span\> 123 Flash Chat](https://www.capterra.co.uk/compare/135003/1007502/slack/vs/123-flash-chat-server-software)

# Compare Slack vs 123 Flash Chat

Canonical: https://www.capterra.co.uk/compare/135003/1007502/slack/vs/123-flash-chat-server-software

> Detailed comparison between Slack and 123 Flash Chat. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Slack | 123 Flash Chat |
| **Overall rating** | 4.7/5 | 5.0/5 |
| **Total Reviews** | 24046 | 1 |
| **Starting Price** | US$8.75 | US$10.00 |
| **Free Trial** | Yes | No |
| **Free Version** | Yes | No |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Chat | Email/Help Desk, 24/7 (Live rep) |
| **Training** | In Person, Live Online, Documentation, Videos | - |

## Best for

### Slack

Slack is used by engineering departments, IT professionals, customer service teams, sales representatives, project managers, marketing teams, HR departments, and security professionals.

### 123 Flash Chat

Websites that want to install a chat room and conferencing solution for their users to interact with each other.

## Key features

### Slack

- Archiving & Retention
- Chat/Messaging
- Customisable Templates
- Encryption
- File Sharing
- Filtering
- Moderation
- Monitoring
- Multi-User Collaboration
- Presentation Streaming
- Real-Time Data
- Recording
- Reminders
- Scheduling
- Support Ticket Management
- Surveys & Feedback
- Video Chat
- Video Conferencing
- Video Support
- Whiteboard

### 123 Flash Chat

- Chat/Messaging
- File Sharing

## Links

- [View Slack Profile](https://www.capterra.co.uk/software/135003/slack)
- [View 123 Flash Chat Profile](https://www.capterra.co.uk/software/1007502/123-flash-chat-server-software)
- [View Original Comparison](https://www.capterra.co.uk/compare/135003/1007502/slack/vs/123-flash-chat-server-software)

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