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Aircall vs Slack: Pricing Comparison 2026

Side-by-side pricing comparison of Aircall and Slack. See all plans, features, and costs at a glance.

Bottom line: Slack starts at $8.25/mo, making it $32/mo cheaper than Aircall ($40/mo). Slack offers a free plan.

Last updated: April 20, 2026

Data compiled by Arthur Jacquemin
Updated April 20, 2026
Try Aircall freeAffiliateTry Slack freeAffiliatePrice updated todayPrice updated 3d ago
Best Value

Slack — Slack offers a free plan, starts at $31.75/mo lower ($8.25/mo vs $40/mo), offers 4 tiers vs 3.

Aircall vs Slack: Quick Pricing Facts

FeatureAircallSlack
Starting Price$40/mo$8.25/mo
Number of Plans34
Free TierNoYes
Pricing Modelper-seatper-seat
Annual DiscountN/AN/A

Slack is the more affordable option, starting at $8.25/mo compared to Aircall's $40/mo. Both are Communication tools with 7 combined pricing plans and 84 features compared. At comparable tiers, the monthly price difference is $52.

Slack stands out with a free plan for getting started.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Communication needs.

Pricing Plans
Aircall
Aircall
Try it freeAffiliate
Slack
Slack
Try it freeAffiliate
Tier 1
Essentials
$40/month
$30 / year
Includes
  • Unlimited calls
  • Click-to-dial
  • Voicemail
  • Call recording
  • SMS & MMS
  • Softphone
  • CRM integrations
  • Live activity feed
  • Call metrics & analytics
Start with Essentials
Free
$0/monthCheapest
Includes
  • 90 days of message history
  • Up to 10 apps
  • 1:1 meetings
  • 1:1 external messages
  • Basic AI
  • AI conversation summaries
  • Slackbot (personal AI agent)
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Free
Tier 2
ProfessionalPopular
$70/month
$50 / year
Includes
  • Everything in Essentials
  • Advanced analytics
  • Salesforce integration
  • Call whispering
  • Call monitoring
  • Mandatory call tagging
  • Queue call back
  • Live agent monitoring
Start with Professional
Pro
$8/monthCheapest
Includes
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Basic AI
  • AI conversation summaries
  • Slackbot (personal AI agent)
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Pro
Tier 3
Custom
Custom pricing
Includes
  • Everything in Professional
  • Custom analytics
  • Custom onboarding
  • SLA
  • SSO SAML
  • 25+ licenses
  • Dedicated account manager
Start with Custom
Business+Popular
$18/monthCheapest
Includes
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Advanced AI
  • AI conversation summaries
  • Slackbot (personal AI agent) NEW
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Business+
Tier 4
—
Enterprise+
Custom pricing
Includes
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Enterprise-Grade AI
  • AI conversation summaries
  • Slackbot (personal AI agent) NEW
  • AI workflow generation
  • Enterprise search
  • AI daily recaps
  • AI file summaries
  • Multiple SAML configurations
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Enterprise+

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Aircall

Cloud-based business phone and VoIP solution for sales and support teams

View all Aircall plans

Slack

Channel-based messaging platform for teams

View all Slack plans

What Reviewers Say

Our Pick

Slack

Slack offers a free plan, starts at $31.75/mo lower ($8.25/mo vs $40/mo), offers 4 tiers vs 3.

Based on pricing data only. Review the full comparison below for your specific needs.

Best value: Slack

Try Slack free

Which Should You Choose?

Choose Aircall if:

  • •You want Aircall's approach to incremental feature unlocking across its 3 pricing tiers
  • •You value Aircall's specific feature progression from free to advanced tier levels
  • •Aircall's approach to Communication reflects how modern teams actually use these tools

Choose Slack if:

  • •You want lower per-user costs—Slack starts at $8.25/mo, saving $31.75/mo compared to Aircall at $40/mo
  • •You need a free plan with 90 days of message history, Up to 10 apps—Slack offers no-cost access with no credit card required
  • •You need 4 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
  • •You want more features built-in—Slack offers 36 additional features across its plans

Slack is the more affordable choice [1], starting at $8.25/mo compared to Aircall's $40/mo. For a 50-person team on paid plans, this translates to Slack saving approximately $1588/month. Slack offers 4 pricing tiers compared to Aircall's 3, giving you more granular control over scaling costs as your team grows. Across all tiers, Slack provides 60 total features versus 24 for Aircall, offering a richer feature set depending on your specific needs. Slack is cheaper. That matters more than most comparison sites will tell you, because the features at this price tier are close enough that the gap rarely justifies Aircall's premium.

Best choice: Aircall

Try Aircall free

Best choice: Slack

Try Slack free
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Frequently Asked Questions: Aircall vs Slack

Which is cheaper, Aircall or Slack?
As of April 2026, Slack starts at a lower price point. Aircall starts at $40/mo while Slack starts at $8.25/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does Aircall have vs Slack?
Aircall offers 3 pricing plans, while Slack offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Aircall or Slack offer a free plan?
Slack offers a free plan, while Aircall does not. If budget is a concern, Slack lets you get started at no cost.
Can I save money by paying annually for Aircall or Slack?
Both Aircall and Slack offer annual billing options. Check each plan's yearly pricing for potential savings compared to monthly billing.
What is the most popular Aircall plan?
The Professional plan is Aircall's most popular tier, priced at $70/mo. Key features include Everything in Essentials, Advanced analytics, Salesforce integration.
What is the most popular Slack plan?
The Business+ plan is Slack's most popular tier, priced at $18/mo. Key features include Unlimited message history, Unlimited app integrations, Group meetings.
Does Aircall or Slack offer custom enterprise pricing?
Yes, both Aircall and Slack offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.

Sources

  1. Aircall Official Pricing— Vendor pricing page
  2. Slack Official Pricing— Vendor pricing page

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