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Slack Pricing

Every Slack plan with its monthly and annual price, what it costs for common team sizes, and a calculator to estimate your own monthly cost before you buy.

Cheaper alternatives to SlackRead our Slack reviewCompare Project Management pricing

Plans and prices

PlanMonthly billingAnnual billing (per month)Per user or flatUsersFree tier
FreeFreeFree—No limit listedYes
Pro€8.25/user/mo€6.75/user/moPer userNo limit listedNo
Business+€18/user/mo€15/user/moPer userNo limit listedNo
Enterprise+Contact salesContact sales—No limit listedNo

Prices last updated November 2026.

What Slack costs by team size

Team size1 user5 users10 users25 users50 users
Monthly costFreeFreeFreeFreeFreeFreeFreeFreeFreeFree

The plan that fits each team size, billed monthly, before add-ons and usage charges.

Add-ons

Add-onMonthly billingAnnual billing (per month)Charged
Flex CreditsRaise Slackbot message limits for Business+ invoice customers. Bought through Salesforce.Not listedNot listedPer credit
Frontline teamsAn offering for field and frontline workers, available as an add-on.Not listedNot listedPer user
Premier and Signature Success PlansPaid support upgrades, sold through a sales rep.Not listedNot listedFlat
Slack Enterprise Key ManagementEncrypt Slack data with customer-managed keys. Sold as an add-on to Enterprise+.Not listedNot listedFlat

Slack Pricing Calculator

Estimate your team's real monthly and annual cost based on seats, billing cycle, and add-ons.

Billing cycle
Add-ons

Cost breakdown

Total monthly costFree
Per year on annual billingFree
Cost per userFree/mo

Estimated from the vendor's published prices, last updated November 2026. Actual costs may vary based on negotiated contracts. How we collect prices

Ready to try Slack?

Use this estimate to align with your team, then start a trial or subscription.

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Better value alternatives

See what similar tools would cost for the same team size.

Slack pricing FAQs

Pro is EUR 8.25 per user per month on monthly billing or EUR 6.75 billed annually. Business+ is EUR 18 monthly or EUR 15 annually. Enterprise+ is quoted by sales. New teams can get 50% off monthly billing for 3 months if they buy within 7 days of creating the team.