Free
Free
Slack
VerifiedMay be outdatedReviewAITools Score · 449579 reviews9.3
What is Slack?
Slack is a revolutionary productivity platform designed to transform the way teams collaborate and communicate. Serving as a centralized hub, Slack offers organized spaces called channels where teams can discuss projects, share files, and streamline their workflows.
These channels ensure that all relevant information, from messages to files, is easily accessible, promoting faster decision-making. Beyond just internal communication, Slack also facilitates collaboration with external partners through Slack Connect, ensuring seamless interactions without the need to switch platforms.
One of Slack’s standout features is its adaptability to different work schedules, allowing users to control notifications and collaborate in real-time or asynchronously.
The platform’s emphasis on flexibility, organization, and integration makes it an indispensable tool for businesses aiming to enhance their communication and productivity.
In essence, Slack is the future of work, providing a unified space for everything a team needs to excel.
Best for
StartUpsSmall BusinessMedium BusinessLarge EnterpriseNon-profit Organization
Pricing
Starting at $7.25/month · Subscription · Free tier available
Pro
8.75
Business+
15
Features
71 features that make Slack stand out.
- Discussions/Forum
- File Sharing
- Messaging
- VoIP & Video Conferencing
- Brainstorming
- Contact Management
- Content Management
- Screen Sharing
- Task Management
- Meeting Management
- Access Controls/Permissions
- Surveys & Feedback
Pros & Cons
Pros
- Efficient Team CommunicationSlack excels in enabling efficient communication within teams. It allows for organized conversations through channels (public and private), direct messages, and threads, which helps users avoid clutter and focus on specific topics or projects. Users appreciate how easy it is to communicate across the organization without relying on email.
- Wide Range of IntegrationsOne of Slack’s standout features is its ability to integrate with a wide array of third-party applications and services, such as Google Workspace, Microsoft Teams, Zoom, Trello, Asana, and more. Users can manage tasks, conduct meetings, and track project progress all within Slack, making it a centralized hub for many business functions.
- Searchable Message HistorySlack provides a powerful search function that allows users to find past messages, files, and discussions quickly. This feature is particularly valuable for teams working on long-term projects, as it helps track historical conversations and decisions without scrolling through endless messages.
- Customizable NotificationsUsers appreciate Slack’s customizable notification settings. Individuals can set specific preferences for different channels and direct messages, ensuring they aren’t overwhelmed by alerts while still being notified about important updates. This flexibility allows users to tailor their experience to their work style.
- Cross-Platform AvailabilitySlack is available across multiple platforms, including desktop, mobile, and web browsers, which ensures that teams can stay connected from anywhere. The app’s consistent performance across devices is praised by users who frequently switch between working on a computer and checking updates on the go.
Cons
- High Cost for Larger TeamsWhile Slack offers a free version, the premium versions—necessary for accessing advanced features like full message history, integrations, and additional storage—can be expensive for larger teams or organizations. Some users feel that the pricing structure could be more competitive, especially for smaller businesses.
- Message OverloadSlack’s fast-paced messaging environment can sometimes lead to information overload, particularly in larger teams or active channels. Users may find it difficult to keep up with conversations or miss important updates if channels are not properly organized or moderated.
- Limited Free Plan FeaturesThe free version of Slack comes with limitations, including a cap on the number of searchable messages (10,000 messages) and limited file storage. Businesses that rely heavily on Slack for long-term projects may find these restrictions problematic as important information gets pushed beyond the searchable limit.
- Complexity for New UsersWhile Slack is highly functional, new users may find the interface overwhelming, especially if they’re unfamiliar with using collaboration tools. The sheer number of channels, integrations, and features can be daunting, requiring time to get up to speed. Better onboarding resources or simplification of the interface could help ease the transition for beginners.
- Performance Issues with Large FilesSome users report performance issues when dealing with large file uploads or when searching for older files. While Slack allows file sharing, users have mentioned that storage limitations and slow load times for large files can be frustrating when managing heavy multimedia content.
Slack alternatives
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Frequently asked questions
Is Slack free to use?
Yes, Slack offers a free version with core features. You can upgrade to a paid plan when you need more capacity or advanced functionality.
How much does Slack cost?
Slack starts at $7.25/month. Higher tiers add seat capacity, automation, integrations and enterprise-grade controls.
What does Slack integrate with?
Slack integrates with popular tools such as Zapier, Trello, Miro, Loom, Asana, plus an open API for custom workflows.
Who is Slack best suited for?
Slack is built for teams who need to standardise the workflow it covers — typically growing companies who have outgrown spreadsheets but don't yet need enterprise-grade procurement suites. The exact fit depends on company size, deal volume and compliance requirements.
How long does it take to onboard Slack?
Most teams are live on Slack within 2–6 weeks. Simpler implementations (small teams, default workflows) can be done in days; large enterprise rollouts with custom approval chains and ERP integration take longer.
About the authors
Nitish SinghWriter
Nitish Singh is a C1 Advanced (CEFR) certified tech writer whose expertise has made technology more accessible to over a million users worldwide. With a strong background in Computer Applications, Nitish excels in demystifying complex tech subjects, making him a sought-after voice for B2B. Over the past seven years, he has contributed to significant publications specializing in various topics. Nitish’s ability to translate intricate tech concepts into clear, understandable content has benefited both knowledgeable and novice audiences alike. He creates e-books, long-form articles, software revi
LinkedIn ↗
Ana Maria StanciucEditor
Ana Maria Stanciuc is a highly skilled writer and content strategist with 10+ years of experience. She has experience in technical and creative writing across a variety of industries. With a background in journalism, her expertise goes beyond writing, as she brings a unique combination of creative storytelling and technical accuracy to her work. She is currently the Head of Content at Tekpon and the Editor in Chief for Tekpon Magazine. In her current role, she leverages her extensive writing experience and strategic insight to produce valuable content. Ana-Maria specializes in reviewing and cu
LinkedIn ↗What users say about Slack
1 review · average 4.8 / 5Real-world feedback aggregated from public review sites.
- Hiền TăngJan 14, 20255.0What they liked
It's very useful, easy to use, friendly user interface, and fast to send notifications via all channels.
Room for improvementI don't think there's anything that's needed to be improved with the app, everything is all good until now.
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