Slack vs Todoist
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
AI tool · Freemium
Team messaging with channels and huddles, plus AI summaries, search answers and agents on paid plans.
AI tool · Freemium
A cross-platform to-do list with natural-language task entry, projects and AI task breakdown.
The short answer
Choose Slack if you need…
- Team communication
- Integrating work apps into chat
Choose Todoist if you need…
- Personal task management
- Small team task lists
Side-by-side
| Slack | Todoist | |
|---|---|---|
| Type | Productivity · Team chat | Productivity · Tasks & projects |
| Price | Freemium | Freemium |
| Platforms | Web, macOS, Windows, Linux, iOS, Android | Web, macOS, Windows, iOS, Android, Chrome |
| Works with | Google Workspace, Salesforce, Zapier, Jira | Google Workspace, Slack, Zapier |
| Hands-on tested by us | Not yet | Not yet |
| Last checked | 2026-10-29 | 2026-10-29 |
What each one is
Slack
Team messaging with channels and huddles, plus AI summaries, search answers and agents on paid plans. The default team chat. AI features need paid plans and message history is limited on free.
Todoist
A cross-platform to-do list with natural-language task entry, projects and AI task breakdown. Simple and reliable. AI features are modest.
Best for
Slack
- Team communication
- Integrating work apps into chat
Todoist
- Personal task management
- Small team task lists
Strengths
Slack
- Channels and huddles
- AI channel summaries
- Enterprise search
- Workflow builder
Todoist
- Natural-language dates
- Projects and labels
- AI assist
- Integrations
Frequently asked questions
What is the difference between Slack and Todoist?
Slack: Team messaging with channels and huddles, plus AI summaries, search answers and agents on paid plans. Todoist: A cross-platform to-do list with natural-language task entry, projects and AI task breakdown. Slack suits team communication, while Todoist suits personal task management.
Are Slack and Todoist free?
Slack: Freemium. Todoist: Freemium.
What are other alternatives to Slack and Todoist?
Other options people compare them with include Notion, Asana, ClickUp, monday.com, Linear.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.