Compare Slack vs. Gantter

There are numerous Collaboration Software products out there these days. The best way to find out which one fits your needs best is to examine them side by side. For example, here you can examine Slack and Gantter for their overall score (9.3 vs. 8.1, respectively) or their user satisfaction rating (96% vs. 94%, respectively). You can even compare their capabilities and pricing conditions along with other helpful information below. When matching products make sure to compare their corresponding functions and mark their distinctive elements to get a clearer picture of both deals. Similarly, bear in mind to evaluate secondary features such as security, backup, intuitiveness, and customer service. People who want to save some time or could use a Communications Software suggestion from our experts may want to take a look at these top choices for the current year: RingCentral, Slack, Wrike.





Slack screenshot Gantter screenshot
Pricing Page

Total Score

Our Score

9.3 ?

Our Score

8.1 ?

Customer Experience

Customer Experience

Customer Experience

96% ?

Customer Experience

94% ?





Pricing Type

Pricing Type

Free | Monthly payment | Annual Subscription Free
Detailed Review

Detailed Review

General Description

General Description

Slack is a messaging app that brings all your communication together in one place. It offers real-time messaging, archiving and search for modern teams.
Gantter features all power of leading desktop scheduling products without users having to buy or install anything, and allows you to share your project schedules in cloud.
Quick Links
Pricing Page

Pricing Page

Learn more about Slack pricing Learn more about Gantter pricing


Slack integrates messages from external systems used by teams (including services such as Twitter, Google Docs/Drive, Dropbox, Zendesk, GitHub, MailChimp and dozens more) to create one place where everything comes together with one search box across all these tools. A full list of integrations can be found on Slack’s website.

Gantter seamlessly integrates with the following business systems and applications:

  • Google Drive: Gantter’s UI is designed to look and feel just like a native Google Apps native editor, making it really easy for a Google user to use Gantter.
  • Microsoft Project: Easily open/save MS Project Files
Available Features

Available Features


  • Built-in internal and external sharing option
  • Configurable notifications for desktop, mobile push and email
  • Create open channels
  • Desktop and mobile messaging, file sharing and notifications
  • Flexible file browsing
  • Flexible notifications
  • Integrates with dozens of services
  • Integrations with Google Docs and Dropbox
  • Mobile native
  • Native apps for iOS and Android
  • Powerful search and archiving
  • Read-state synchronization
  • Search conversations and individual messages
  • Search inside Word docs, Google Docs, Photoshop files, PDFs
  • Snippets: for capturing blocks of raw text, log files, code
  • Support for both Google and Apple emoji styles
  • Support for private groups and 1:1 direct messaging
  • Sync with desktop, iPhone/iPad or Android device
  • Two built-in native file types
  • Webhooks and an open API


  • Project Management
  • Scheduling
  • Collaboration
  • Google Drive integration
  • Real Time View
Phone No.

Phone No.

+1-415-805-8989 1-800-254-4050
Prominent Customers

Prominent Customers

Dow Jones, eBay, NBCUniversal, The Wall Street Journal Staples, Google, Gilbane
Contact Address

Contact Address

680 Folsom St #145
San Francisco, CA 94107
1350 Division Rd.
Suite 301
West Warwick, RI 02893
Available Languages

Available Languages

English English, Chinese, German, Hindi, Japanese, Spanish, French, Russian, Italian, Dutch, Portugese, Polish, Turkish, Swedish
Devices Supported

Devices Supported

Cost Details

Cost Details

Slack offers three SMB and enterprise pricing packages for users to choose from. Give the details a look, and select your plan:

Free – No limits on time or users

  • Searchable message archives, up to 10k of your team’s most recent messages
  • 10 apps or service integrations
  • Native apps for iOS, Android, Mac & Windows Desktop
  • Two-person voice and video calls
  • 5GB total file storage for the team
  • Two-factor authentication

Standard – $6.67 per user/month billed annually ($8 billed monthly)

  • All features from the Free plan
  • Unlimited searchable message archives
  • Unlimited apps and service integrations
  • Custom retention policies for messages and files
  • Guest access
  • Priority support
  • OAuth via Google
  • Mandatory two-factor authentication
  • Custom User Groups to reach a team or department
  • Group voice and video calls
  • 10GB file storage per team member

Plus – $12.50 per user/month billed annually ($15 billed monthly)

  • All features from the Standard plan
  • SAML-based single sign-on (SSO)
  • Compliance Exports of all messages
  • 99.99% Guaranteed Uptime SLA
  • 24/7 Support with 4-hour response time
  • User provisioning and deprovisioning
  • Real-time Active Directory sync with OneLogin, Okta, Centrify, and Ping Identity
  • 20GB file storage per team member

Enterprise – By quote

  • Fully searchable archive with unlimited messages
  • Unlimited external integrations
  • Free native apps for iOS, Android & Mac Desktop
  • Detailed usage statistics, reporting & analysis
  • Custom message retention policies
  • Guest access
  • Priority support

Gantter is available on a simple pricing plan. It’s priced at $5/user/month for its 3 different product editions. It also has a no-commitment 30-day free trial so you can test out its features. Once it’s over, you may choose which edition you prefer based on its included features as stated below:

Gantter Cloud – $5/user/month

  • 24/7 access to Community-powered online Support
  • 23 languages to choose from
  • Access to thousands of community contributed templates
  • Auto-generated Work Breakdown Structure
  • Central User Admin Console
  • Community Powered Suggest & Assist Recommendation Engine
  • Cost Tracking – Labor & Materials
  • Custom Columns
  • Floating User Licenses
  • Hierarchical Task Linking
  • Interactive Gantt Chart
  • Open/Save Gantter Schedule Files to Gantter Cloud (unlimited storage)
  • Open & Save Microsoft Project files
  • Resource Auto-Leveling
  • Resource/Workload Tracking
  • Risk Management
  • Save & Compare schedule Baselines
  • Share Gantter Schedule Files with other users
  • Single Invoice for All Subscriptions
  • Task & Gantt Color Themes
  • Task Tracking

Gantter for Google Drive – $5/user/month

  • All Ganter Cloud features
    • except: Open/Save Gantter Schedule Files to Gantter Cloud (unlimited storage)
  • Bi-Directional Google Calendar integration
  • Google Comment integration
  • Initiate context-aware Hangouts
  • Link Google Drive Files to Tasks
  • Open/Save directly to Google Drive
  • Real-time Collaborative Editing

Gantter for G Suite – $5/user/month

  • All Ganter for Google Drive features
  • Auto add the G-Suite Domain user to the schedule
  • Auto filter by G-Suite domain user activity Suggest & Assist Recommendations
Company Size

Company Size

Small Business | Large Enterprises | Medium Business | Freelancers Small Business | Large Enterprises | Medium Business | Freelancers
Email Address

Email Address
Available Support

Available Support

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All the data, information and statistics that we provided in this analysis were taken from official vendor sites, advertising content available online, real-life experience from real users as well as our personal direct use of every service by an expert. We pay a lot of attention to thoroughly analyze each software, so we not only analyze it internally, but we also match our results with opinions of other people from the SaaS community.