Slack Reviews & Product Details

I’ve been using Slack consistently, and I’ve come to see that it’s much more than a simple messaging app. It has truly transformed how teams communicate, particularly in fast-paced or remote work settings. Rather than dealing with endless email chains or switching between different applications, Slack provides a centralized space where communication, collaboration, and even informal team interactions can all take place. Review collected by and hosted on G2.com.

Too Many Notifications: Without actively managing your settings, Slack can quickly become overwhelming. Participating in several busy channels often leads to constant notifications that disrupt your focus.

Information Overload: Although channels help keep things organized, the sheer number of messages can easily hide important updates. Missing just a day or two can make catching up feel like a daunting task.

Learning Curve for Admins: While Slack is user-friendly for most, those responsible for setting up workspaces, managing integrations, or assigning permissions may find there’s a noticeable learning curve.

Dependence on Slack: Teams sometimes become so reliant on Slack that any outage has a direct impact on productivity, underscoring how essential it becomes to daily operations.

Pricing for Larger Teams: The free version works well for small teams, but larger organizations often require the paid plan for additional storage and advanced features, which can become costly. Review collected by and hosted on G2.com.

What stands out about Slack is how it keeps communication organized without slowing you down. Channels structure conversations by team or topic, search actually works when you need old context, and integrations pull your tools into one place. It cuts down on email clutter and makes quick decisions easier without long meetings. Review collected by and hosted on G2.com.

A few downsides of Slack: it can get noisy fast with constant notifications, which makes it easy to miss important messages. Threads sometimes fragment conversations instead of clarifying them, and searching older messages isn’t always reliable unless things were well-organized. It can also blur focus with real-time interruptions, and the free plan’s history limits are restrictive. Review collected by and hosted on G2.com.

I use Slack to connect with coworkers across Canada instantly and in a more casual way than email. It's a great way to not add stress to someone's inbox, making conversations casual like chatting in the office, and it shows if someone is offline or their time zone. I like how it has different tags and groups, and I can directly DM someone. The tags allow me to have organized conversations and include who is needed properly. I love being able to directly DM someone, especially since I don't have everyone's contact information. The catch-up feature is a great way to remind you that you missed something in a conversation and it allows you to manage what is outstanding rather than wasting time searching through conversations. I also like that it allows you to share files/photos and respond directly to certain messages. Additionally, the initial setup of Slack was very easy. Review collected by and hosted on G2.com.

I would like to be able to send photos or videos over Slack and not have them compress but otherwise it's great Review collected by and hosted on G2.com.

I use Slack for better communication and to talk with team members. It's easy for me to communicate and keep the team updated about the tasks. I enjoy it because I can create different projects under one workspace and separate the teams according to the project needs. For someone who has more projects and more team members, it helps me manage all the people in one place. I also do hiring on Upwork, and Slack helps me onboard them and allow them to connect with people. It makes it easy for me to manage the project as well as the team. Slack helps to keep the communication flow right, so the projects cannot be delayed. The initial setup was pretty well, just email and signup, and join the workspace. Review collected by and hosted on G2.com.

Slack settings is nothing I like. It is pretty complicated. Sometimes I have to spend more time than necessary for little things. Slack has a lot of complex settings sections which are not good for me. Review collected by and hosted on G2.com.

Quick, intuitive. People like it so they use it. Integrates very well with other platforms. Our Slack / Notion integration is super. Having Slack in our Notion search makes such a difference; thoughts and ideas that could be lost get caught. Review collected by and hosted on G2.com.

It can become a dumping ground. "Oh, I'll just stick in the #general channel". Its ease-of-use makes it easy to abuse.

I hate the fact that it can be so hard to find out what is "New". My Slack icon in the taskbar tells me there are new notifications. I go in and I can't work out where they are. In channels? in DMs? I find one and the notification goes away. 5 minutes later, it's back. Infuriating. Review collected by and hosted on G2.com.

I use Slack to communicate with a client’s distributed team, and it’s brilliant for maintaining 24/7 coordination. I love how flexible it is for sharing files, images, and videos. It makes managing different conversations and channels incredibly easy, preventing the workspace from turning into a complete bedlam. Review collected by and hosted on G2.com.

Visually, it's not the most attractive tool; the interface feels functional rather than inspiring. Also, reviewing old threads is quite annoying as it starts from the beginning instead of the end, forcing you to scroll for ages. Lastly, the notification system can become overwhelming; however, this is more a consequence of the collaborative model rather than a flaw in Slack itself. Review collected by and hosted on G2.com.

That it has substituted email for small messages. Gets you a quick revert. and creates a casual tone in every conversation so even a person who is non-confident in email etiquette also can dive into a meaningful conversation. It's truly inclusive, fast and convenient. Review collected by and hosted on G2.com.

Slack needs to increase its attachment capacity. Also running a 'plugin' software tool is still a difficult thing to master. Also, a first-time user should be greeted with a user manual video / PDF link. Another persistant issue is audio quality and connectivity during huddle calls. That needs to be improved. Review collected by and hosted on G2.com.

What I like best about Slack is how effectively it brings communication and collaboration into one streamlined platform.

From a UI/UX perspective, Slack has a clean, intuitive interface that makes it easy to organize conversations through channels, threads, and direct messages. It reduces clutter and helps keep discussions structured, especially in larger teams.

In terms of integrations, Slack is extremely powerful. It connects seamlessly with tools like Google Drive, Jira, GitHub, Zoom, and many others, allowing me to manage work and receive updates without constantly switching between apps.

On performance, it’s generally fast and reliable, with real-time messaging and notifications that keep teams in sync. Even with large volumes of messages, it maintains good responsiveness.

From a pricing/ROI standpoint, while the free version is useful, the paid plans unlock valuable features like message history, advanced search, and integrations, which significantly improve productivity and justify the cost for teams.

Regarding support and onboarding, Slack is easy to get started with. The setup is simple, and new users can quickly adapt due to its familiar chat-based approach. There’s also plenty of documentation and community support available.

For AI/Intelligence, Slack has been evolving with features like message summarization, search enhancements, and workflow automation. These help reduce information overload and save time by surfacing relevant insights and automating repetitive tasks. Review collected by and hosted on G2.com.

What I dislike about Slack is that, despite its strengths, it can become overwhelming and less efficient at scale.

From a UI/UX perspective, the interface can get cluttered with too many channels, threads, and notifications, making it hard to keep track of important conversations. Threaded replies, while useful, are sometimes easy to miss.

In terms of integrations, although Slack supports many tools, excessive integrations can lead to notification overload and noise if not carefully managed.

On the performance side, Slack can become resource-heavy, especially on desktop, and may slow down when handling large workspaces or long message histories.

From a pricing/ROI standpoint, the cost can add up quickly for growing teams, and limitations in the free plan—like restricted message history—can be a drawback for long-term use.

Regarding support and onboarding, while basic onboarding is easy, managing large teams, permissions, and channel structures can become complex over time.

For AI/Intelligence, although Slack is improving in this area, AI features are still evolving and not always deeply integrated into daily workflows, so their practical impact can feel limited in some cases. Review collected by and hosted on G2.com.

What I like best about Slack is how it brings all team communication into one organized, easy-to-navigate space. Channels make it simple to separate conversations by project, department, or topic, which has significantly reduced confusion and unnecessary meetings in our workflow.

The UI is very intuitive, so onboarding new team members is quick, and features like threaded replies and message search save a lot of time when trying to find past discussions or decisions. I also really appreciate the integrations connecting tools like Google Drive, Zoom, and project management apps keeps everything centralized and avoids constantly switching between platforms. Performance has been reliable even with multiple channels and active conversations, and notifications can be customized well so I only focus on what’s important.

Overall, it has made communication faster, more structured, and much more efficient for our team. Review collected by and hosted on G2.com.

One downside of Slack is that notifications can sometimes feel overwhelming, especially when you’re in multiple active channels. Even though there are customization options, it can take a bit of time to fine-tune the settings so you’re not constantly pulled away by less important updates.

Another limitation is the message history restriction on the free plan, which can make it difficult to look back at older conversations if your team relies heavily on Slack for day-to-day communication. And with lots of integrations and channels, the workspace can occasionally start to feel cluttered if it isn’t managed carefully.

That said, these issues are relatively minor compared to the overall value Slack provides, and most of them can be addressed with the right setup and habits. Review collected by and hosted on G2.com.

What I like best about Slack is the UI/UX, which feels incredibly slick and light. It makes the daily routine of messaging colleagues and organizing projects seamless. Creating new channels is intuitive, and the search functionality is powerful enough that I can always find specific messages or files buried in old threads without any hassle.

Furthermore, the integrations are a standout feature. Having a good set of third-party apps connected directly to our workspace keeps our workflow centralized. In terms of performance, the platform is consistently fast and reliable, even when handling a high volume of real-time communication. While I haven't used the AI/Intelligence features extensively yet, the core product remains the best tool I've used for team collaboration. Review collected by and hosted on G2.com.

While the messaging is top-notch, Slack calls (Huddles) can still be poor in terms of connection stability and audio quality compared to dedicated video conferencing tools. I occasionally experience lag or dropped connections during calls. Additionally, because I haven't used the AI/Intelligence features yet, I feel like some of the newer interface updates focused on AI can feel a bit cluttered or unnecessary for my current workflow. Review collected by and hosted on G2.com.