Slack's free tier sits at €0, while Asana's cheapest paid plan is $10.99 per month (billed annually) – a stark contrast that forces you to decide whether you need a chat-first platform or a dedicated project manager.
Where the money goes
Slack's paid tiers stack on top of a solid free offering. The Pro plan's standard monthly-billed rate is EUR 8.25/month per user (EUR 6.75/month if billed annually), adding unlimited message history and app integrations. New workspaces get 50% off for the first 3 months — EUR 4.13/month per user on monthly billing — reverting to the EUR 8.25 standard rate afterward. The Business+ tier jumps to EUR 18/month per user and brings AI-powered workflow automation, with the same 3-month introductory discount available. Asana, by contrast, starts charging at the first tier: the Starter plan is $10.99/month per user billed annually ($13.49/month billed monthly) and promises project tracking and deadline management, and the Advanced tier is $24.99/month per user annually ($30.49/month monthly) and adds portfolio views and company-wide goals.
The practical trade-off
If your team lives in chat and needs a free entry point, Slack lets you start without spending a cent, but you'll pay per seat once you need advanced admin controls or AI features — just budget for the EUR 8.25 standard rate once the 3-month introductory discount ends, not the EUR 4.13 sign-up price. Asana forces a dollar amount from day one, but that price already includes core project-management capabilities that Slack only offers through add-ons or third-party bots, and its lower annual-billed rate is a standing discount rather than a temporary one. Teams that already use Slack for daily communication may find the incremental cost of the Pro tier acceptable, whereas groups that need structured task tracking without the overhead of a chat platform will likely prefer Asana's all-in-one pricing.
| Vendor | Plan | Price | Includes |
|---|---|---|---|
| Slack | Free | EUR 0 | A simpler way to chat and collaborate; free forever |
| Slack | Pro | EUR 8.25/month per user (EUR 4.13 for first 3 months) | Unlimited message history, app integrations |
| Slack | Business+ | EUR 18/month per user | Scale with AI-powered work; same 3-month intro discount available |
| Asana | Starter | $10.99/month per user annual, $13.49 monthly | Project tracking and deadline management |
| Asana | Advanced | $24.99/month per user annual, $30.49 monthly | Portfolio views, company-wide goals |
Pick Slack if you want a free chat foundation and are comfortable paying per seat for extra features once the introductory discount lapses. Choose Asana if you need a project-centric tool from the start and prefer a single flat price per month, ideally committing annually for the lower rate. Pricing verified on 2026-09-16.