Slack

Professional messaging for communicating with clients and partners.

About

In practice. What you can do with Slack.

Slack is professional messaging for communicating with clients and partners. Starting at €6.28/month. Built for managers and IT directors and SaaS founders.

Estimated time saving: 3h/month.

Keep it if: you collaborate with clients who use Slack or you manage a small team (2-5 people). Skip it if: you are a 100% solo freelancer (emails are enough) or your clients do not use Slack. As soon as you collaborate regularly with a team or clients who use Slack. Free alternative: discord.

Practical uses

Team chatSearchable history and CRM/GitHub integrations.
Automated workflows notifying on GitHub bugs or Salesforce updates.
AI analysis summarizing async discussions for quick team alignment.

Features & use cases

Chat equipe

Collaboration

For. What works in its favour.

Unlimited searchable message history (all paid plans).
1000+ native integrations or via Zapier/webhooks.
No-code workflows and automations.
Slack AI for conversation summaries and analysis.
You need 1000+ integrations with existing tools.
You want team AI for conversation summaries and business insights.

Pays off from

13 minsaved a month

Slack costs $8.75/month. If your hour is worth $40, those 13 min cover it.

Your hour is worth$40/h

Against. What to plan for.

Free plan limited (90-day history, 10 integrations max).
Per-active-user cost becomes substantial for large teams.
No AI on Free/Pro plans (Business+ minimum required).
Limited budget favors free chat alternatives (Discord, Mattermost).
You need self-hosted or private infrastructure.

Too expensive if

You use it less than once a month
discord (free) already covers the essentials for occasional use

Pricing. What does Slack cost ?

Free

Free plan available

Pro

$8.75/mo

$8.75 USD/month (Pro)

Checked on March 13, 2026Official pricing

Alternatives. What could replace Slack?

Microsoft Teams3.3/5 · GoodFrom €4.20/moMicrosoft communication and collaboration platform.

Detailed comparisons

Our verdict. What to know about Slack.

Why this verdict

Very good

Slack is fairly easy to replace with an alternative, a free tier to test before paying, clearly documented use cases.

Decided? Visit Slack or compare alternatives

AI. What it changes for Slack.

AI augments this tool

Go further with AI

Slack added Slack AI to summarize threads, answer questions about a channel's history and draft meeting recaps.

Can AI replace it?

Replace Slack with an AI? No: real-time team messaging and integration with dozens of tools remain a structural communication need. Verdict: AI summarizes what happens in Slack, it doesn't replace messaging.

The AIs that matter here

ChatGPT

Frequently asked questions. What people ask about Slack.

What is Slack used for?

Professional messaging for communicating with clients and partners.

How much does Slack cost?

Slack costs $8.75/month (Pro plan). Price verified on March 13, 2026.

Is Slack suitable for beginners?

Slack is built mainly for teams rather than solo use.

Is Slack worth the price?

Slack suits tech teams prioritizing asynchronous chat and integrations; for video conferencing focus or tight budget, Microsoft Teams or Discord fit better.

What are the best alternatives to Slack?

The main alternatives to Slack are: Microsoft Teams.

Is there a free alternative to Slack?

Yes, discord is a free alternative to Slack.