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Slack vs Whistle Messaging Comparison (2026)

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Good recommendations?

Slack logo

Slack

Whistle Messaging logo

Whistle Messaging

Overview

Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do

#1 Guest Messaging Platform that Integrates with Property Management Systems

  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials
  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials

Video & Screenshots

No videos yet

Pricing

Starting from

8.75

/user

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

Starting from

60

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

User reviews

4.7

24.2K

5

4

3

2

1

17.4K

5.7K

912

127

48

  • Value for money
  • Ease of use
  • Features
  • Customer support
86%
would recommend this app

4.7

132

5

4

3

2

1

96

30

6

0

0

  • Value for money
  • Ease of use
  • Features
  • Customer support
86%
would recommend this app

Pros

“Channels help keep discussions organized by project or department, file sharing is seamless, notifications can be customized to reduce distractions, and the powerful search feature makes it easy to retrieve older conversations.”
EW

Emilia W.

Network Support Coordinator

“The intuitive interface, reliable performance, and wide range of integrations have helped streamline our daily workflows and improve productivity. While there are occasional challenges with managing large volumes of messages and notifications, the benefits far outweigh these minor drawbacks.”
Verified reviewer profile picture

Andrea L.

Innovation Manager

“What I most like about Slack are the video call feature (Huddle) and screen-recording feature (which also allows you to record audio and camera with it).”
Verified reviewer profile picture

James W.

Salesforce Administrator

Pros

“AI Chatbot can do automatic replies for guest management & customer support. ”
LN

Luciano N.

Senior Film Technician

“Easy to use chat for internal department messaging. ”
LN

Luciano N.

Senior Film Technician

“Did it not occur to them that employees come and go at companies?”
BJ

Bart J.

Owner

Cons

“Notification management can also be challenging in active workspaces, leading to information overload if not carefully configured. While Slack offers powerful search capabilities, finding older conversations or specific files is not always as intuitive as it could be.”
CF

Cristiano F.

Consultant

“The only time I get frustrated with it is when I need to invite partners (from external companies) into our workspace for targeted deal collaboration. When those folks come from organizations stuck with Teams, it's not easy to get them to adopt it for a limited time, even though it's easy enough to add them to the dedicated Slack workspace.”
Verified reviewer profile picture

Alicia R.

Director, Business Development

“Notifications can become overwhelming fast if you don't take time to configure them properly, and most people don't — which leads to either constant pinging or people muting everything and missing important messages.”
Verified reviewer profile picture

Enish S.

Business Administrator

Cons

“It is impossible for us to remove a previous employee's name or email.”
BJ

Bart J.

Owner

“It is glitchy- crashes, doesn't send messages right away sometimes, archives current guests and then opens past guests communications randomly, won't whistle.”
LS

Laura S.

Owner/CEO

“It can be confusing at times, the double checkmark from texts confuses guests and employees, they always think we read the message because it shows 2 mark checks.”
CG

Carolina G.

Innkeeper

  • Vendor responds to reviews
  • Last review4 days ago
  • Vendor responds to reviews
  • Last review5 months ago

Key features

  • Total features106
  • @mentions
  • AI/Machine Learning
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Activity/News Feed
  • Alerts/Notifications
  • Archiving & Retention
  • Audio Calls
  • Audio Capture
  • Authentication
  • Autoresponders
  • Batch Communications
  • Billing & Invoicing
  • Brainstorming
  • CRM
  • Calendar Management
  • Call Conferencing
  • Call Recording
  • Call Routing
  • Canned Responses
  • Chat/Messaging
  • Chatbot
  • Collaboration Tools
  • Commenting/Notes
  • Communication Management
  • Compliance Management
  • Conferencing
  • Contact Management
  • Content Delivery
  • Content Management
  • Content Sharing
  • Customizable Branding
  • Customizable Templates
  • Discussions/Forums
  • Document Management
  • Drag & Drop
  • Employee Directory
  • Employee Engagement
  • Employee Management
  • Encryption
  • Feedback Management
  • File Sharing
  • File Transfer
  • Filtering
  • For Developers
  • For Sales Teams/Organizations
  • For Vacation Rentals
  • Front Desk Management
  • Full Text Search
  • Group Management
  • Group Messaging
  • Guest Experience Management
  • Guest Messaging
  • Housekeeping Management
  • Interaction Tracking
  • Knowledge Base Management
  • Live Chat
  • Maintenance Management
  • Marketing Automation
  • Mass Texting
  • Meeting Management
  • Meeting Notes
  • Member Directory
  • Messaging
  • Mobile Access
  • Moderation
  • Monitoring
  • Multi-Channel Communication
  • Multi-Language
  • Multi-Property
  • Multi-User Collaboration
  • Multiple Data Sources
  • Natural Language Processing
  • Notes Management
  • Offline Form
  • On-Demand Communications
  • Online Booking
  • Personalization
  • Point of Sale (POS)
  • Presentation Streaming
  • Prioritization
  • Private Chat
  • Proactive Chat
  • Productivity Tools
  • Projections
  • Read Receipts
  • Real Time Synchronization
  • Real-Time Chat
  • Real-Time Data
  • Real-Time Notifications
  • Real-Time Updates
  • Real-time Consumer-facing Chat
  • Recording
  • Reminders
  • Remote Access/Control
  • Remote Support
  • Reporting & Statistics
  • Reporting/Analytics
  • Reservations Management
  • Reviews Management
  • SSL Security
  • Scheduling
  • Screen Capture
  • Screen Recording
  • Screen Sharing
  • Search/Filter
  • Server Monitoring
  • Single Sign On
  • Spa/Activity Management
  • Support Ticket Management
  • Surveys & Feedback
  • Tagging
  • Task Management
  • Team Collaboration
  • Template Management
  • Templates
  • Third-Party Integrations
  • To-Do List
  • Transcripts/Chat History
  • Troubleshooting
  • Two Way Audio & Video
  • Two-Factor Authentication
  • Two-Way Audio & Video
  • User Management
  • Version Control
  • Video Chat
  • Video Conferencing
  • Video Support
  • Visitor Management
  • Voice Mail
  • Whiteboard
  • Widgets
  • Work Order Management
  • Workflow Management
  • Total features47
  • @mentions
  • AI/Machine Learning
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Activity/News Feed
  • Alerts/Notifications
  • Archiving & Retention
  • Audio Calls
  • Audio Capture
  • Authentication
  • Autoresponders
  • Batch Communications
  • Billing & Invoicing
  • Brainstorming
  • CRM
  • Calendar Management
  • Call Conferencing
  • Call Recording
  • Call Routing
  • Canned Responses
  • Chat/Messaging
  • Chatbot
  • Collaboration Tools
  • Commenting/Notes
  • Communication Management
  • Compliance Management
  • Conferencing
  • Contact Management
  • Content Delivery
  • Content Management
  • Content Sharing
  • Customizable Branding
  • Customizable Templates
  • Discussions/Forums
  • Document Management
  • Drag & Drop
  • Employee Directory
  • Employee Engagement
  • Employee Management
  • Encryption
  • Feedback Management
  • File Sharing
  • File Transfer
  • Filtering
  • For Developers
  • For Sales Teams/Organizations
  • For Vacation Rentals
  • Front Desk Management
  • Full Text Search
  • Group Management
  • Group Messaging
  • Guest Experience Management
  • Guest Messaging
  • Housekeeping Management
  • Interaction Tracking
  • Knowledge Base Management
  • Live Chat
  • Maintenance Management
  • Marketing Automation
  • Mass Texting
  • Meeting Management
  • Meeting Notes
  • Member Directory
  • Messaging
  • Mobile Access
  • Moderation
  • Monitoring
  • Multi-Channel Communication
  • Multi-Language
  • Multi-Property
  • Multi-User Collaboration
  • Multiple Data Sources
  • Natural Language Processing
  • Notes Management
  • Offline Form
  • On-Demand Communications
  • Online Booking
  • Personalization
  • Point of Sale (POS)
  • Presentation Streaming
  • Prioritization
  • Private Chat
  • Proactive Chat
  • Productivity Tools
  • Projections
  • Read Receipts
  • Real Time Synchronization
  • Real-Time Chat
  • Real-Time Data
  • Real-Time Notifications
  • Real-Time Updates
  • Real-time Consumer-facing Chat
  • Recording
  • Reminders
  • Remote Access/Control
  • Remote Support
  • Reporting & Statistics
  • Reporting/Analytics
  • Reservations Management
  • Reviews Management
  • SSL Security
  • Scheduling
  • Screen Capture
  • Screen Recording
  • Screen Sharing
  • Search/Filter
  • Server Monitoring
  • Single Sign On
  • Spa/Activity Management
  • Support Ticket Management
  • Surveys & Feedback
  • Tagging
  • Task Management
  • Team Collaboration
  • Template Management
  • Templates
  • Third-Party Integrations
  • To-Do List
  • Transcripts/Chat History
  • Troubleshooting
  • Two Way Audio & Video
  • Two-Factor Authentication
  • Two-Way Audio & Video
  • User Management
  • Version Control
  • Video Chat
  • Video Conferencing
  • Video Support
  • Visitor Management
  • Voice Mail
  • Whiteboard
  • Widgets
  • Work Order Management
  • Workflow Management

Integrations

  • Total integrations173
  • 5pm
  • Aha!
  • Airbrake
  • Aircall
  • Airtable
  • Amplitude
  • Any.do
  • AppSignal
  • Asana
  • Assembla
  • Automile
  • Azuqua
  • AzureDesk
  • Baremetrics
  • Beanstalk
  • Beds24
  • Betterworks
  • BigTime
  • Bitbucket
  • Blitz
  • Bonusly
  • Box
  • Brand24
  • Breezy
  • BugSnag
  • CATS
  • Calamari
  • Calendly
  • CallPage
  • Callmaker
  • Cayzu
  • Chartbeat
  • CheckMarket
  • Checkfront
  • CircleCI
  • ClearSlide
  • ClickMeeting
  • ClickUp
  • Clock PMS
  • ClockIt
  • Cloudbeds
  • Confluence
  • Continu
  • Copper
  • Databox
  • Datadog
  • Dropbox
  • Dropbox Sign
  • Egnyte
  • Envoy
  • Favro
  • Figma
  • Flow
  • FlowVella
  • Freshdesk
  • Freshservice
  • Front
  • Geekbot
  • GetResponse
  • GitHub
  • GitLab
  • GoCo
  • GoTo Meeting
  • Google Calendar
  • Google Workspace
  • Greenhouse
  • HaloPSA
  • HappyFox Chat
  • HappyFox Help Desk
  • Help Scout
  • Helply
  • Hive
  • Hoopla
  • Hootsuite
  • HotGloo
  • HubSpot CRM
  • HubSpot Marketing Hub
  • IFTTT
  • ITM Platform
  • Infor HMS
  • Intervals
  • JIRA Service Management
  • Jenkins
  • Jira
  • Jonas Chorum
  • Kixie PowerCall & SMS
  • Kudos
  • Lattice
  • LeadDyno
  • Learn:Up
  • Lessonly
  • Lever
  • Librato
  • Lime Connect
  • LiveAgent
  • Localize
  • Locowise
  • Lucidchart
  • MVISION Cloud
  • Maestro PMS
  • Mailjet
  • MeisterTask
  • Mention
  • Mews
  • Microsoft Outlook
  • Microsoft Teams
  • Microsoft To Do
  • Miro
  • Mitratech Hire
  • Nagios XI
  • Netskope One Platform
  • New Relic
  • Notion
  • Okta
  • OnRes
  • OpenHotel PMS
  • OpsGenie
  • Ortto
  • PagerDuty
  • Papertrail
  • PayPal Payments
  • Polly
  • PractiTest
  • Procurify
  • ProdPad
  • ProductPlan
  • Pulseway
  • Qualtrics Market Research
  • Quore
  • Qwilr
  • Rainforest QA
  • Raven Tools
  • Raygun
  • Re:amaze
  • Redbooth
  • Repuso
  • Rollbar
  • RoomKeyPMS
  • Roommaster
  • Sage HR
  • Salesforce Sales Cloud
  • SatisMeter
  • SendPulse
  • Setmore
  • Sisense
  • SkyTouch Hotel OS
  • Small Improvements
  • SnapComms
  • SolarWinds Pingdom
  • SolarWinds Service Desk
  • Spinify
  • Stripe Payments
  • SupportBee
  • SurveyMonkey
  • TINT
  • Talkdesk
  • Tellent Recruitee
  • ThinkReservations
  • Time Doctor
  • TimeCamp
  • Todoist
  • Trello
  • TriNet HR Plus
  • Twine
  • Twitter/X
  • UpKeep
  • UpRaise
  • Usersnap
  • VibeCatch
  • Vigil
  • WebHR
  • Webex Suite
  • Wishpond
  • Woopra
  • Zapier
  • Zendesk Suite
  • Zoho Billing
  • Zoho Books
  • Zoho Expense
  • Zoho Inventory
  • Zoho Invoice
  • Zoho Projects
  • Zoom Workplace
  • absence.io
  • innRoad
  • monday AI Work Platform
  • rezStream
  • smartQ
  • truDigital
  • Total integrations17
  • 5pm
  • Aha!
  • Airbrake
  • Aircall
  • Airtable
  • Amplitude
  • Any.do
  • AppSignal
  • Asana
  • Assembla
  • Automile
  • Azuqua
  • AzureDesk
  • Baremetrics
  • Beanstalk
  • Beds24
  • Betterworks
  • BigTime
  • Bitbucket
  • Blitz
  • Bonusly
  • Box
  • Brand24
  • Breezy
  • BugSnag
  • CATS
  • Calamari
  • Calendly
  • CallPage
  • Callmaker
  • Cayzu
  • Chartbeat
  • CheckMarket
  • Checkfront
  • CircleCI
  • ClearSlide
  • ClickMeeting
  • ClickUp
  • Clock PMS
  • ClockIt
  • Cloudbeds
  • Confluence
  • Continu
  • Copper
  • Databox
  • Datadog
  • Dropbox
  • Dropbox Sign
  • Egnyte
  • Envoy
  • Favro
  • Figma
  • Flow
  • FlowVella
  • Freshdesk
  • Freshservice
  • Front
  • Geekbot
  • GetResponse
  • GitHub
  • GitLab
  • GoCo
  • GoTo Meeting
  • Google Calendar
  • Google Workspace
  • Greenhouse
  • HaloPSA
  • HappyFox Chat
  • HappyFox Help Desk
  • Help Scout
  • Helply
  • Hive
  • Hoopla
  • Hootsuite
  • HotGloo
  • HubSpot CRM
  • HubSpot Marketing Hub
  • IFTTT
  • ITM Platform
  • Infor HMS
  • Intervals
  • JIRA Service Management
  • Jenkins
  • Jira
  • Jonas Chorum
  • Kixie PowerCall & SMS
  • Kudos
  • Lattice
  • LeadDyno
  • Learn:Up
  • Lessonly
  • Lever
  • Librato
  • Lime Connect
  • LiveAgent
  • Localize
  • Locowise
  • Lucidchart
  • MVISION Cloud
  • Maestro PMS
  • Mailjet
  • MeisterTask
  • Mention
  • Mews
  • Microsoft Outlook
  • Microsoft Teams
  • Microsoft To Do
  • Miro
  • Mitratech Hire
  • Nagios XI
  • Netskope One Platform
  • New Relic
  • Notion
  • Okta
  • OnRes
  • OpenHotel PMS
  • OpsGenie
  • Ortto
  • PagerDuty
  • Papertrail
  • PayPal Payments
  • Polly
  • PractiTest
  • Procurify
  • ProdPad
  • ProductPlan
  • Pulseway
  • Qualtrics Market Research
  • Quore
  • Qwilr
  • Rainforest QA
  • Raven Tools
  • Raygun
  • Re:amaze
  • Redbooth
  • Repuso
  • Rollbar
  • RoomKeyPMS
  • Roommaster
  • Sage HR
  • Salesforce Sales Cloud
  • SatisMeter
  • SendPulse
  • Setmore
  • Sisense
  • SkyTouch Hotel OS
  • Small Improvements
  • SnapComms
  • SolarWinds Pingdom
  • SolarWinds Service Desk
  • Spinify
  • Stripe Payments
  • SupportBee
  • SurveyMonkey
  • TINT
  • Talkdesk
  • Tellent Recruitee
  • ThinkReservations
  • Time Doctor
  • TimeCamp
  • Todoist
  • Trello
  • TriNet HR Plus
  • Twine
  • Twitter/X
  • UpKeep
  • UpRaise
  • Usersnap
  • VibeCatch
  • Vigil
  • WebHR
  • Webex Suite
  • Wishpond
  • Woopra
  • Zapier
  • Zendesk Suite
  • Zoho Billing
  • Zoho Books
  • Zoho Expense
  • Zoho Inventory
  • Zoho Invoice
  • Zoho Projects
  • Zoom Workplace
  • absence.io
  • innRoad
  • monday AI Work Platform
  • rezStream
  • smartQ
  • truDigital

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