Rocketchat vs Mattermost. Which is the best alternative of Slack?

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Businesses looking for a better way to communicate with their employees are increasingly turning to Slack as their preferred platform.

There are some people who don’t like using Slack.

A lot of people think it’s too pricey.

Possibly it lacks the features you need to run your business efficiently.

Many people complain that you can only search through a small number of messages.

This is limited to 10,000 characters in the free version.

If you want to search further, you’ll have to pay for an upgrade.

It’s not possible to host your own chat platform with Slack if you want more control over the environment.

As a result, there are countless alternatives that are self-hosted, cheaper and more feature rich than Slack.

Let’s see how they measure up against each other and see which one is the best Slack replacement.

To begin, let’s compare RocketChat and Mattermost side-by-side.

You can run both applications in your own private cloud environment for team communication.

The app can be downloaded for both iOS and Android devices, depending on your preference.

It is possible to share documents between members of the team.

They use the LDAP (Lightweight Directory Access Protocol) and SAML (Security Assertion Markup Language) protocols for password authentication, both of which are web-based and completely customizable.

You can get notifications from both apps via email, desktop push and mobile push notifications.

Next, things take a dramatic turn for the better.


Meteor, a Javascript framework, and a MongoDB backend are used in the RocketChat app.

The software is compatible with a wide range of operating systems.
More so than Mattermost can claim.


Third-party apps like Facebook and GitHub can be used to log in to RocketChat.

If you’ve got the technical know-how, it’s not impossible to set up this Slack alternative on your own.

To host your chat on your own server for privacy and security reasons, RocketChat is a better choice than a third-party service.

This is especially true for businesses, which are increasingly using community chat rooms.

With tens of thousands of users in these rooms, Rocketchat becomes more financially viable because there is no per-user fee.

When it comes to large chat rooms, RocketChat’s ability to search through every message is one of its most impressive features.

RocketChat has no customer support, which is a major drawback, and only sparse documentation is available for it.

You can find answers to your questions on GitHub, for example.

There are many useful features in RocketChat, including:

a) Audio, video, and screen-sharing conferencing options can be used.

b) 35 languages are supported in real-time translation.

c) Visitor interaction can be improved with the use of live chat widgets.

d) Integrating applications such as GitHub and Zappier is possible.

Nothing to worry about when it comes to RocketChat’s cost.

For both free and paid versions, there is no difference whatsoever.

With HelptoInstall‘s low-cost Rocketchat installation service, you can get up and running in no time at all.

No matter what time of day or night, you can count on our team of professionals for assistance.


While RocketChat uses a MySQL or PostgreSQL backend, Mattermost uses an ACID database.

However, Meteor is a higher-level programming language than Ruby on Rails.

Slack’s per-user fees and lack of robustness make Mattermost a better option for businesses.

The strain on your computer’s resources caused by using Meteor is not an issue when you use Mattermost.

Mattermost is compatible with a wide range of operating systems and private cloud deployments, including Amazon Web Services (AWS), Microsoft Azure, and CloudFoundry (Kubernetes).

There are numerous third-party applications that can be used to log in.
This mainly consists of Gmail, Google Drive, and Office 365.

When it comes to setting up, maintaining, and administering the software, Mattermost provides more information than any of its competitors.

A problem doesn’t necessitate the search for answers.

Having a large number of users makes this app expensive.

Mattermost has a wide range of useful features, including the following:

a) Even if your subscription is terminated, all of your data will remain yours.

b) Slack emojis can be imported.

Mattermost, unlike RocketChat, does not offer a free service.

You can choose between the free team edition and the paid enterprise edition.

Chat room settings can’t be restricted or deleted by users who don’t have administrator access in the free solution.

In the same way that any other application of this type, the best app for you depends on your specific needs.

Consider how much money you have to spend, how many users you’ll be accommodating, and how much tech support you’ll need for setup and problem solving before making a final decision on a solution.

Even small businesses can benefit from RocketChat’s numerous features and free price.

The cost of Mattermost, on the other hand, may be worth it if you have limited access to technical support.
Otherwise, the more people you have, the more money you’ll have to spend.