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Slack vs Aircall Comparison

Last updated:

Slack

4.5(35,011 reviews)

Starting at $2.67 /Month

  • Free Trial
  • Freelancers / Consultants
  • Large Enterprises

Slack is the only unified communication platform for chatting, sharing, and collaborating. Whether in one-on-one conversations or a large group, Slack's threaded conversations keep everyone on the same page. No more emai…

Aircall

4.1(801 reviews)

Starting at $30 /User/Month

  • Free Trial
  • Freelancers / Consultants
  • Large Enterprises

Aircall is a contact center operations software designed to handle all of the company’s customer relationship services and enhance customer service experience. This contact center tool provides a full suite of features f…

Slack leads on user satisfaction with a 4.5-star rating across 35,011 reviews.

Slack vs Aircall — at a glance

FeatureSlackAircall
Rating4.5 / 54.1 / 5
Reviews35,011801
Starting price$2.67 /Month$30 /User/Month
Free trial Yes Yes
Free version No No
Best forFreelancers / Consultants, Large Enterprises, Medium BusinessFreelancers / Consultants, Large Enterprises, Medium Business
CategoryBusiness Instant Messaging SoftwareContact Center Operations Software
Integrations10+ apps
PlatformsSaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - MacSaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac
APIAvailableAvailable
Support modesOnline24/7 (Live rep), Business Hours, Online
CertificationsSOC 2, HIPAA, GDPR, ISO 27001SOC 2, GDPR, ISO 27001
Data residencyGlobalGlobal

Key differences between Slack and Aircall

  • Pricing: Slack starts at $2.67 /Month, while Aircall starts at $30 /User/Month.
  • User satisfaction: Slack scores higher with a 4.5-star average.
  • Deployment: Slack supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac; Aircall supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.

Slack vs Aircall — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Business Instant Messaging Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Slack - Business Instant Messaging Software
Talk to an expert
Talk to an expert
Aircall - Contact Center Operations Software
Talk to an expert
Talk to an expert

Biggest differences

Start here before you go deeper into features.

Slack

Best for streamlined team communication and collaboration across varied company sizes.

Choose if
  • You need a unified platform for both one-on-one and group messaging.
  • Your team benefits from threaded conversations to reduce email overload.
  • You want a simple, low-complexity setup for remote or cross-functional teams.
Consider alternatives if
  • Your organization requires specialized industry compliance features not supported by Slack.
  • Your team prefers email-centric workflows over instant messaging platforms.

Aircall

Best for mid-sized sales and support teams needing seamless CRM call integration.

Choose if
  • You need robust international calling with local and toll-free numbers in 100+ countries.
  • Your team relies on deep integrations with Salesforce, HubSpot, Zendesk, or Intercom.
  • You want built-in real-time call monitoring features like live listening, whisper, and call barge.
Consider alternatives if
  • You are a very small business or solo operator with a limited budget.
  • You require advanced AI-driven analytics and reporting without paying extra subscriptions.

Slack: Best for streamlined team communication and collaboration across varied company sizes. Aircall: Best for mid-sized sales and support teams needing seamless CRM call integration.

Description

Slack is the only unified communication platform for chatting, sharing, and collaborating. Whether in one-on-one conversations or a large group, Slack's threaded conversations keep everyone ... Read More about Slack

Aircall is a contact center operations software designed to handle all of the company’s customer relationship services and enhance customer service experience. This contact center tool ... Read More about Aircall

Entry Level Pricing

  • Starts from $2.67
  • Starts from $30

Free Trial Availability

  • Free Trial available

User Ratings

Based on verified Spotsaas reviews

Best Company Size

1-50 employees500+ employees
51-500 employees500+ employees
Get pricing help
Get pricing help

Where each option fits best

See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.

Based on buyer reviews and verified product data collected by Spotsaas.

Strengths

Key strengths

Slack

No key benefits available yet.

Aircall

  • Scalable International Calling: Aircall supports local and toll-free numbers in 100+ countries, enabling global business reach without additional telecom complexity, which is ideal for companies expanding internationally.
  • Robust Analytics & Performance Insights: Built-in dashboards and reports provide visibility into call volume, handle times, missed calls, and agent performance. These insights help teams optimize operations and improve customer experience.
  • Enhanced Team Collaboration: Shared call inboxes, tagging, call comments, and call monitoring features help teams work together more effectively. Managers can listen in, coach with whisper, and improve performance in real time.
Best fit

Best fit

Slack

No best-fit guidance available yet.

Aircall

  • 500+ employees
  • Sales, Customer Support, SaaS, E-commerce, Technology, Financial Services, Healthcare, Real Estate, Professional Services, Contact Centers
  • Sales Manager, Support Manager, Customer Success Manager, Call Center Manager, Operations Manager, Revenue Operations Manager, Head of Sales, Head of Support, Founder, IT Manager
Watchouts

Reasons buyers look elsewhere

Slack

No alternatives guidance available yet.

Aircall

  • Very large enterprises with complex telecom setups or custom contact center requirements may require more customizable UCaaS solutions than Aircall’s standard tiers.
  • As a cloud-only solution, Aircall requires solid internet connectivity. Businesses in regions with unreliable internet may opt for hybrid or on-premise systems for consistent uptime.
  • Aircall’s advanced analytics and AI tools are strong, but they may be more than what basic users need. Teams seeking a simple cloud phone system with fewer bells and whistles might choose lighter alternatives.

Software Demo

Demo

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How do Slack and Aircall Compare on Features?

Total Features

0 Features

7 Features

Unique Features

No features

No unique features

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Get Quote

Compare Slack and Aircall on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • $2.67
      • $30

      Pricing Plans

      • Not Available
      • Not Available

      Pricing Page

      Slack pricing
      Aircall pricing

      Other Details

      Organization Types supported

      • Medium Business
      • Large Enterprises
      • Small Business
      • Freelancers
      • Individuals
      • Medium Business
      • Large Enterprises
      • Small Business
      • Freelancers
      • Individuals

      Platforms Supported

      • Mobile - iOS
      • Browser Based (Cloud)
      • Mobile - Android
      • Installed - Mac
      • Installed - Windows
      • Browser Based (Cloud)
      • Mobile - iOS
      • Browser Based (Cloud)
      • Mobile - Android
      • Installed - Mac
      • Installed - Windows
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      SOC 2

      ✓ Yes
      ✓ Yes

      HIPAA

      ✓ Yes
      ✗ No

      GDPR

      ✓ Yes
      ✓ Yes

      ISO 27001

      ✓ Yes
      ✓ Yes

      Single Sign-On (SSO)

      ✓ Yes
      ✓ Yes

      Multi-Factor Auth (MFA)

      ✓ Yes
      ✓ Yes

      Data Encryption

      ✓ Yes
      ✓ Yes

      Audit Logs

      ✓ Yes
      ✓ Yes

      Data Residency

      🌐 Global
      🌐 Global

      Slack User Reviews & Rating Comparison

      User Ratings

      Rating Distribution

      2505

      213

      19

      4

      10

      782

      64

      12

      8

      31

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Overall, users appreciate Slack for its ease of communication and collaboration but note challenges with pricing and information overload.

      What buyers like

      • Ease of use
      • Effective team communication
      • Integration capabilities

      Common complaints

      • Pricing complexity
      • Notification overload

      Buyer sentiment

      Users generally appreciate Aircall's ease of use, strong integrations, and international calling features, though some note cost and advanced feature limitations.

      What buyers like

      • Ease of use
      • CRM integrations
      • International calling capabilities

      Common complaints

      • Pricing for small businesses
      • Limitations on advanced analytics features

      Pros and Cons

      • Unified platform for messaging and collaboration

      • Threaded conversations that reduce email overload

      • Supports both one-on-one and large group communication

      • Pricing details are not fully transparent and may require sales contact

      • May lack advanced project management features

      • Seamless integration with major CRMs and helpdesk tools like Salesforce, HubSpot, Zendesk, and Intercom

      • Robust international calling capabilities with local and toll-free numbers in 100+ countries

      • Built-in analytics and real-time call monitoring features such as live listening, whisper, and call barge

      • Pricing may be expensive for very small businesses or freelancers

      • Advanced AI analytics and enhanced reporting features often require additional paid subscriptions

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      Integrations

      Integration with other apps

      No Integration information available.

      List of Customers

      Customers

      Slack_customers_0

      Slack_customers_0

      Slack_customers_1

      Slack_customers_1

      Slack_customers_2

      Slack_customers_2

      Subsync

      Subsync

      Infinityn

      Infinityn

      KOHO

      KOHO

      Media and Screenshots

      Screenshots

      screenshots

      7 Screenshots

      Activity Feed

      3 Screenshots

      Videos

      video-0

      1 Videos

      video-0

      3 Videos

      Top Alternatives to Slack and Aircall in 2026

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      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, Slack or Aircall?
      Slack edges out the other on user ratings (4.5 vs 4.1). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
      Do Slack and Aircall offer a free trial?
      Yes, both Slack and Aircall offer a free trial.
      What is the starting price of Slack vs Aircall?
      Slack starts at $2.67 /Month. Aircall starts at $30 /User/Month.
      What are the top alternatives to Slack?
      Top alternatives to Slack include Microsoft Teams, Glip, Google Chat, ChatWork, Dialog.
      What are the top alternatives to Aircall?
      Top alternatives to Aircall include Novanet Cloud Contact Center, CloudTalk, HoduCC, Call Center Studio, Dialpad Contact Center.

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