Slack
★★★★★ 4.1 · 37 Reviews
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.
★★★★★
Wednesday, January 28, 2026
Head of People Operations“As Head of People Ops at a 200-person company, Slack…”
As Head of People Ops at a 200-person company, Slack is where culture actually lives. The shoutouts channel, our birthday automations, the random-coffee bot - these are the small ceremonies that make a remote-first company feel human. Operationally, the integrations with our BambooHR and Lattice instances cut out a huge amount of manual work. I appreciate that admin controls let me restrict guest access and DLP without making the experience feel locked down. Slack Connect for our external partners has been transformative - we run entire vendor relationships in shared channels. Customer support has been responsive on the few enterprise tickets we've raised. The price reflects the value we get, though I'd love more granular billing reports for chargebacks.
★★★★★
Friday, January 23, 2026
“Making the move from our old platform was something I'd…”
Making the move from our old platform was something I'd been lobbying for quietly for almost a year. The tool we left behind had channels, sure, but everything felt buried three clicks deep, notifications were a constant source of anxiety, and getting volunteers synced with staff was a mess of forwarded emails and crossed wires. Slack fixed most of that within the first two weeks. The channel structure is genuinely intuitive, and I appreciated how quickly our whole team (a mix of full-time staff, part-time coordinators, and rotating student volunteers) found their footing without much hand-holding.
What surprised me most coming from the other side is how much the integrations actually matter in practice. Google Drive previews inside a message, quick polls, Asana task links that don't just dump a URL, these aren't flashy extras. For an education-focused nonprofit running on tight capacity, they cut down on tab-switching and context-switching in ways I didn't fully anticipate. The mobile app also holds up better than what we had before, which matters when half our people are checking in from campus or off-site events.
Six months in, the only honest gripe I have is that the free tier's message history limit still stings a little when we're watching the budget carefully. The paid plan pricing is fair for what you get, but I'd love to see more flexibility for nonprofits at the smaller end. Customer support response time has also been slower than I expected for a tool this widely used. Neither issue is a dealbreaker. Overall, this is the first communication platform I've used where I genuinely look forward to opening it on Monday morning.
★★★★★
Monday, January 19, 2026
“The integrations are what keep me here. After five-plus years…”
The integrations are what keep me here. After five-plus years running a small ops team, I've wired Slack into just about everything: Google Drive, Asana, a couple of internal Zapier flows, even a lightweight CRM we use for client handoffs. The way notifications and updates surface directly in a channel means my team rarely has to go hunting across four different tabs to figure out what happened. That alone is worth the subscription cost for a group our size. Real talk, the setup for some of the more advanced integrations does take some patience the first time around, but once they're running, they just run.
Day-to-day, the channel structure pairs nicely with how those integrations feed in. I've got a dedicated channel that pulls in status updates from our project tool automatically, so every Monday morning everyone already knows what's blocking whom before the standup even starts. Direct messages handle the quick stuff, and voice calls have replaced a lot of what would have been email threads. For a team under ten, it scales exactly right. No wasted complexity.
My one real gripe is the pricing tier situation. Some integrations and workflow automations you'd expect to be standard are gated behind higher plans, and for a small team watching overhead, that stings a little. It's not a dealbreaker, but it does feel like they know they have you hooked and they're willing to lean on that. Still, after all this time I've never seriously looked elsewhere. The ecosystem they've built around the core product is genuinely hard to replicate with cheaper alternatives, and for teams that live inside their tools all day, that matters.
★★★★★
Saturday, January 17, 2026
“Joining a new department mid-project is never comfortable, and I…”
Joining a new department mid-project is never comfortable, and I was handed a laptop, a login, and a list of forty-odd channels on my first Monday. Within two hours I had a working sense of who was doing what. That almost never happens. The channel structure made it obvious where conversations lived, the pinned messages gave me context I'd normally have to chase down in someone's inbox, and the search function let me scroll back through weeks of decisions without bothering a single colleague. Onboarding through Slack felt less like onboarding and more like eavesdropping on a team that actually had its act together.
Two years later, that first-week ease has held up. My department leans heavily on integrations, Google Drive especially, and the way files surface inside threads without forcing you to open a separate tab still feels like a small daily luxury. The notification settings are genuinely thoughtful. I've never had to fight the tool to get quiet when I need to focus, which sounds minor until you remember every other platform I've used before this one.
The one gripe I keep coming back to is the channel discovery experience for new joiners. When someone lands in a large workspace for the first time, browsing channels is a bit of a scroll-fest with no great way to surface the most relevant ones fast. A smarter onboarding wizard or a recommended-channels prompt based on role would make a real difference. It's a fixable thing, and I hope they get round to it. Everything else earns its place.
★★★★★
Thursday, December 11, 2025
“Running programs for a small nonprofit means half my team…”
Running programs for a small nonprofit means half my team is remote on any given day, and Slack is what holds us together. The mobile app is genuinely decent for quick check-ins and approving things on the go. Channels for each program keep conversations from bleeding into each other, which I really needed. And the integrations with Google Drive mean I can share files from my phone without too much fuss. After roughly a year with it, those basics work reliably enough that I'd miss them if they disappeared.
That said, the cracks show when you look at the cost versus what a nonprofit budget can actually bear. The free tier is too limiting, notifications on mobile can be relentless (and the settings to tame them are buried), and our smaller volunteer contributors find the interface confusing at first. Customer support has been slow when I've had billing questions, which is frustrating. If you're evaluating this for a stretched team, go in with realistic expectations. It's useful, but it's not without its friction.
★★★★★
Saturday, August 31, 2024
“It’s like having an office in your pocket. It makes…”
It’s like having an office in your pocket. It makes communication easier team. I love that you can integrate tons of useful apps.
★★★★★
Monday, February 13, 2023
“Slack is a communication platform that I have used for…”
Slack is a communication platform that I have used for both personal and professional purposes. It has a user-friendly interface that makes it easy to use and navigate. The ability to create channels for different topics or groups is a great feature. I also appreciate the ability to easily share files and integrate with other apps. However, at times the notifications can be overwhelming and hard to manage. Additionally, while the search function is useful, it can be improved to be more intuitive. Overall, I find Slack to be a valuable tool for communication and collaboration.
★★★★★
Monday, February 13, 2023
“The platform's interface is incredibly user-friendly and the channels have…”
The platform's interface is incredibly user-friendly and the channels have kept all of our conversations organized. The ability to integrate with other apps has streamlined our workflow and saved us so much time.
★★★★★
Saturday, February 11, 2023
“I've been using Slack for a while and I absolutely…”
I've been using Slack for a while and I absolutely love it! The interface is easy to use and the different channels help keep my conversations organized. The ability to integrate with other tools makes my workflow seamless. Slack has definitely made my work life more productive and enjoyable.
★★★★★
Wednesday, February 8, 2023
“I absolutely love Slack! The interface is simple and easy…”
I absolutely love Slack! The interface is simple and easy to use, and I appreciate the ability to create channels for different conversations. Notifications can be overwhelming, but I find it helpful to stay up-to-date on important discussions. The ability to integrate with other apps makes my workflow seamless, and I love the customizability options.
