8x8 vs Slack Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

8x8

0.0 (0 reviews)

8x8 provides a unified contact center and communications platform that integrates voice, video, chat, and contact center solutions into a single cloud-based interface to streamline your business interactions.

Starting at $24/mo
Free Trial 30 days
VS

Slack

0.0 (0 reviews)

Slack is a central communication hub that connects your team with real-time messaging, file sharing, and integrated tools to streamline workflows and improve collaboration across your entire organization.

Starting at Free
Free Trial 30 days

Quick Comparison

Feature 8x8 Slack
Website 8x8.com slack.com
Pricing Model Subscription Freemium
Starting Price $24/month Free
FREE Trial ✓ 30 days free trial ✓ 30 days free trial
Free Plan ✘ No free plan ✓ Has free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment cloud mobile desktop saas mobile desktop
Integrations Salesforce Microsoft Teams Zendesk HubSpot NetSuite Slack Google Workspace ServiceNow Bullhorn Freshdesk Google Drive Zoom Salesforce GitHub Jira Trello Google Calendar Microsoft Outlook Dropbox HubSpot
Target Users mid-market enterprise freelancer small-business mid-market enterprise
Target Industries healthcare education manufacturing
Customer Count 0 0
Founded Year 1987 2009
Headquarters Campbell, USA San Francisco, USA

Overview

8

8x8

8x8 offers a unified platform that brings your phone system, video meetings, and team messaging together in one place. You can manage all your internal and external communications through a single interface, eliminating the need to toggle between different apps. It is designed to help your team stay connected whether they are in the office or working remotely, providing high-quality voice and video services globally.

The platform specifically solves the problem of fragmented communication by offering integrated contact center capabilities alongside standard business phone features. You can easily scale your operations from a few users to thousands, benefiting from built-in analytics that show you how your team is performing. It is ideal for mid-market and enterprise companies that need reliable, secure, and compliant communication tools across multiple international locations.

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Slack

Slack is a productivity platform that transforms how you communicate with your team by moving conversations out of scattered email threads and into organized channels. You can create dedicated spaces for specific projects, departments, or office locations, ensuring everyone has access to the right information at the right time. It serves everyone from small startups to global enterprises, helping you stay connected whether you are working in the office or remotely.

You can share files, start huddles for quick voice chats, and use clips to record video updates for your teammates to watch later. By centralizing your tools and communication, you reduce context switching and keep your projects moving forward. The platform offers a robust free version for small teams and scales into advanced enterprise tiers with sophisticated security and compliance features.

Overview

8

8x8 Features

  • Unified Communications Access your business phone, team chat, and video meetings from a single app on your desktop or mobile device.
  • Omnichannel Contact Center Interact with your customers across voice, email, chat, and social media channels to provide a consistent support experience.
  • Global Presence Get local phone numbers in over 50 countries so you can establish a professional presence wherever your customers are.
  • HD Video Conferencing Host secure video meetings with up to 500 participants and use screen sharing to collaborate on projects in real-time.
  • Advanced Analytics Track call quality and team performance with real-time dashboards that help you make data-driven decisions for your business.
  • Smart Presence See the availability of your colleagues across all devices so you know the best time to reach out or transfer calls.
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Slack Features

  • Organized Channels. Create dedicated spaces for every project or topic so you can keep your conversations focused and searchable.
  • Slack Huddles. Start quick audio or video calls directly in any channel to resolve issues faster without scheduling formal meetings.
  • Workflow Builder. Automate your routine tasks and approvals with a simple drag-and-drop tool that requires no coding knowledge.
  • Slack Canvas. Create and curate essential information directly within your workspace to keep your team aligned on goals and documents.
  • File Sharing. Drag and drop files directly into your conversations so your team always has the latest version of your work.
  • Slack Connect. Collaborate securely with external partners, vendors, or clients in shared channels without leaving your own Slack workspace.

Pricing Comparison

8

8x8 Pricing

X2
$24
  • Unlimited calling to 14 countries
  • HD video conferencing
  • Team messaging and business SMS
  • Mobile and desktop apps
  • Integrations with CRM and productivity tools
  • Multi-level auto attendant
S

Slack Pricing

Free
$0
  • 90 days of message history
  • 10 integrations with other apps
  • 1-on-1 audio and video huddles
  • Single-workspace collaboration
  • Standard security features

Pros & Cons

M

8x8

Pros

  • Excellent call quality and reliability across global locations
  • Consolidates multiple communication tools into one easy interface
  • Strong security features and compliance for regulated industries
  • Seamless mobile app experience for remote work flexibility

Cons

  • Initial setup and configuration can be complex
  • Customer support response times can be inconsistent
  • Interface may feel cluttered for very basic users
A

Slack

Pros

  • Extensive library of third-party app integrations
  • Powerful search functionality for finding old messages
  • Intuitive interface that is easy to adopt
  • Excellent mobile app for staying connected anywhere
  • Huddles make spontaneous collaboration very simple

Cons

  • Notification fatigue can occur without careful settings
  • Message history is restricted on the free plan
  • Can become expensive for very large teams
  • High memory usage on some desktop computers
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