What is Slack?
Slack is a messaging and collaboration platform designed to help teams work together more effectively. With a variety of features and integrations, Slack makes it easy for teams to communicate, share files, and collaborate on projects in real-time. The platform allows users to create channels for specific projects or topics, making it easy to organize conversations and keep everyone on the same page. Slack also provides a range of messaging options, including direct messages, group messages, and voice and video calls, so teams can communicate in the way that works best for them. In addition to its messaging and collaboration features, Slack offers a range of integrations with popular tools and services, including Google Drive, Trello, and Asana, among others. These integrations allow teams to seamlessly connect their favorite tools and streamline their workflows. Slack is designed to be flexible and customizable, with a range of settings and features that can be tailored to meet the needs of each team. With support for both desktop and mobile devices, Slack makes it easy for teams to stay connected and work together no matter where they are. Overall, Slack is a powerful and versatile collaboration platform that can help teams of all sizes and industries work together more efficiently and effectively. With its intuitive interface, comprehensive set of features, and broad range of integrations, Slack is a popular choice for modern businesses looking to improve their collaboration and communication.
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Slack Reviews (37)
- ★★★★★14
- ★★★★★17
- ★★★★★4
- ★★★★★1
- ★★★★★1
Review Summary
Generated using AI from real user reviews
Slack earns consistent praise for organized communication and deep integrations, though cost and notification management are persistent friction points.
Users across team sizes—from solo freelancers to 200-person companies—highlight channels as a natural way to structure conversations and threads for keeping discussions clean. The integrations with Google Drive, Asana, GitHub, and other tools are repeatedly cited as genuinely valuable, surfacing updates without forcing context-switching. Several reviewers emphasize that support quality stands out, particularly for enterprise customers. Reliability is taken for granted; multiple users note they can't recall outages. Slack Connect for external partnerships and advanced admin controls (SSO, audit logs, retention policies) resonate strongly with larger organizations managing compliance needs.
The downsides cluster around three themes. Pricing per seat stings once teams grow; multiple reviewers flag it as steep for the value, especially startups and nonprofits. Notification fatigue appears across reviews as a real productivity concern, though most note settings can be tamed with effort. Search and message history limits frustrate users regularly—the free tier's cutoff forces quick upgrades, and finding old conversations remains harder than users expect. A handful of reviews mention notification management UI is unintuitive or scattered across settings.
Overall, users treat Slack as essential infrastructure once adopted, even when they'd evaluate alternatives if starting fresh. The product does its core job reliably and scales from tiny teams to enterprises, but doesn't feel magical at any size.
★★★★★
Tuesday, May 5, 2026
“Support quality is what keeps me loyal here, and I…”
Support quality is what keeps me loyal here, and I don't say that lightly. Five years running a small team through this platform, and every time something has gone sideways, their support crew has been responsive in a way that genuinely stands out. Not automated-reply responsive. Actually helpful, with someone who reads the ticket before replying. Channel organization, pinned messages, the integrations with Google Drive and Asana, all of it just works, and when it doesn't, there's a real person on the other end fairly quickly.
My one gripe is that billing support sits in a slightly different queue from technical support, and that hand-off can be slow. Twice I've had invoice questions drag on longer than they should have. Not a dealbreaker after this many years, but you notice it. Overall, though, I'd put their customer service well above what I've experienced with similar tools. Small teams especially tend to get treated as low priority elsewhere. Not here, in my experience.
★★★★★
Tuesday, April 21, 2026
Remote Team Lead“Leading a fully distributed team across Sydney, Manila, Berlin, and…”
Leading a fully distributed team across Sydney, Manila, Berlin, and Vancouver, async-first communication isn't optional - it's survival. Slack handles this reasonably well. Scheduled send is the unsung hero: I draft messages when ideas hit and they land at sensible local hours. Threads keep parallel discussions from collapsing into chaos. I run weekly written standups in a dedicated channel and the structure is now muscle memory for the team. Where Slack falls short: surfacing important async updates that happened overnight remains a manual process. The Recap feature is a step in the right direction but still misses a lot. Status indicators help signal availability, though my team has had to write our own conventions on top.
★★★★★
Friday, April 17, 2026
IT Director“From an administrative standpoint, Slack offers robust controls that make…”
From an administrative standpoint, Slack offers robust controls that make managing a workforce of several hundred users manageable. Single sign-on integration was straightforward, compliance exports work as advertised, and the audit logs provide the visibility our security team requires. Enterprise Grid pricing is undeniably significant, and justifying the cost to leadership requires careful framing. That said, the platform's reliability has been excellent, with minimal downtime in the two years since deployment. Support response times for enterprise issues have consistently exceeded expectations.
★★★★★
Thursday, April 16, 2026
DevOps Engineer“Been using Slack across our infrastructure team for two years…”
Been using Slack across our infrastructure team for two years now. The integrations with PagerDuty, GitHub, and Datadog are essential to how we run incidents. Channels stay organised when you actually enforce workflow conventions, but it gets noisy fast without discipline. Threads are a love-hate situation - good for keeping signal clean, awful for catching up after PTO. Search has improved but still struggles with code snippets. Huddles work fine for quick syncs without the Zoom overhead. Pricing per seat starts to sting once you cross 200 users, especially factoring in connector ecosystem costs. That said, it does the job for engineering comms and we'd struggle to migrate off it now. Solid tool, not magic.
★★★★★
Tuesday, April 14, 2026
Software Engineer“Slack is fine. It does what it says on the…”
Slack is fine. It does what it says on the tin and the dev community has built loads of useful integrations (our CI/CD pipeline posts deploy notifications straight into a channel, which is genuinely handy). But I'll be honest, it can also be a productivity killer if you let it. Constant pings, channels you've been added to without asking, the pressure to respond instantly. I've had to be quite militant with notification settings just to get any deep work done. Good tool, but use with caution.
★★★★★
Wednesday, April 8, 2026
Operations Manager“Slack has become the backbone of how our team communicates.…”
Slack has become the backbone of how our team communicates. Channels keep conversations organised by project, threads stop things from descending into chaos, and the search function has saved me more times than I can count when trying to dig up an old decision. Integrations with our other tools (Asana, Google Drive, Zoom) make it the central hub for nearly everything. My one real frustration is the pricing, which feels steep once you scale up past a small team. Still, productivity-wise, it's hard to argue with the results.
★★★★★
Saturday, April 4, 2026
Marketing Director“My marketing team of 14 lives in Slack. Campaign coordination…”
My marketing team of 14 lives in Slack. Campaign coordination across content, design, paid, and lifecycle would be impossible over email. The integrations I rely on daily: Asana for tasks, Loom for async reviews, Figma for design handoff notifications, and our analytics dashboards posting weekly digests. Channels organised by campaign with consistent emoji-prefixes keep visual scanning fast. I've found Canvas useful for living briefs that everyone can comment on in-line. Workflow Builder automates our weekly creative review request intake. The downside is meeting culture migrating into Slack as huddles - sometimes we end up syncing live when we should be writing. Pricing is significant but defensible. Recommend for any marketing function over five people.
★★★★★
Monday, March 30, 2026
Marketing Coordinator“Okay, can we talk about how much Slack has saved…”
Okay, can we talk about how much Slack has saved my inbox?? I genuinely don't know how I'd cope going back to email for everything. Custom emojis are a personality test in themselves, and our team has way too much fun with them. Huddles are perfect for those quick "can I just ask you something" moments without booking a whole calendar meeting. The notification settings took me a while to figure out properly, but once I got them dialled in, my focus improved massively. Love it.
★★★★★
Tuesday, March 24, 2026
“Honestly, the integrations are what keep me here. Three years…”
Honestly, the integrations are what keep me here. Three years running as a solo consultant, and Slack quietly connects everything I depend on: Asana for tasks, Google Drive for docs, Notion for notes. Each one pipes updates into the right channel without me babysitting it. That alone saves me more mental overhead than I can easily explain.
For a one-person operation, that kind of glue matters more than any single feature. They keep expanding the integration library too, which I appreciate. Customer support has been slow on a couple of tickets, but the product itself? Genuinely hard to fault.
★★★★★
Sunday, March 22, 2026
Freelance Consultant“I work with about six different clients at any given…”
I work with about six different clients at any given time, and Slack is what keeps me sane. Switching between workspaces is seamless, and I can mute channels when I'm not actively on a project so I'm not drowning in pings. The free tier is generous enough for smaller clients, though the message history limit can be annoying if you need to reference something from a few months back. Haven't needed to contact support often, but when I did the response was a bit generic. Overall though, it's an essential part of my freelance toolkit.
