Chose Mattermost
Mattermost vs. RationalPlan vs. Slack
Mattermost vs. RationalPlan vs. Slack
| Product | Rating | Most Used By | Product Summary | Starting Price |
|---|---|---|---|---|
Mattermost | Enterprise companies (1,001+ employees) | Mattermost from the company of the same name in Palo Alto is a messaging, collaboration and communication platform providing high security and compliance for the businesses that need it. | $0 per month per user | |
RationalPlan | Small Businesses (1-50 employees) | RationalPlan is project management software that has been designed to help project managers keep their projects on time and within budget. The main goal of this software is to make the process of planning projects as short and as straightforward as possible and to guide novice project managers through each step but offer enough tools to those who are more experienced. | $0 per month per user | |
Slack | N/A | Slack is a group messaging or team collaboration app that aims to simplify communication for businesses. Features include open discussions, private groups, and direct messaging, as well as deep contextual search and message archiving, and file sharing. Slack integrates with a number of other tools, such as MailChimp, Dropbox, and Google Drive. Slack was acquired by Salesforce in December 2020. The product is free to use, and also has paid plans with more features and greater controls. The… | $8.75 per month per user |
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| Entry-level Setup Fee | Optional | Optional | No setup fee | |||||||||||||||||||||
| Additional Details | — | — | *Per active user, per month, when paying once a year. Pro is $8.75 USD per active user when paying month to month. Business+ is $15.00 USD per active user when paying month to month. | |||||||||||||||||||||
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| Mattermost | RationalPlan | Slack | |
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| Considered Multiple Products | Mattermost | ![]() RationalPlan No answer on this topic | Slack |
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| Project Management |
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| Communication |
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| File Sharing & Management |
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| Professional Services Automation |
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| Mattermost | RationalPlan | Slack | |
|---|---|---|---|
| Small Businesses | Stackby Score 8.9 out of 10 | Stackby Score 8.9 out of 10 | Stackby Score 8.9 out of 10 |
| Medium-sized Companies | Troop Messenger Score 9.8 out of 10 | InEight Score 8.4 out of 10 | Troop Messenger Score 9.8 out of 10 |
| Enterprises | HCL Connections Score 9.0 out of 10 | InEight Score 8.4 out of 10 | HCL Connections Score 9.0 out of 10 |
| All Alternatives | View all alternatives | View all alternatives | View all alternatives |
| Mattermost | RationalPlan | Slack | |
|---|---|---|---|
| Likelihood to Recommend | 7.8 (49 ratings) | 7.7 (4 ratings) | 9.2 (626 ratings) |
| Likelihood to Renew | 6.4 (7 ratings) | - (0 ratings) | 10.0 (25 ratings) |
| Usability | 6.4 (6 ratings) | - (0 ratings) | 9.0 (248 ratings) |
| Availability | - (0 ratings) | - (0 ratings) | 10.0 (2 ratings) |
| Performance | - (0 ratings) | - (0 ratings) | 10.0 (2 ratings) |
| Support Rating | 8.0 (9 ratings) | 7.7 (2 ratings) | 9.9 (68 ratings) |
| Implementation Rating | 8.0 (1 ratings) | - (0 ratings) | 8.7 (5 ratings) |
| Configurability | - (0 ratings) | - (0 ratings) | 10.0 (2 ratings) |
| Contract Terms and Pricing Model | - (0 ratings) | - (0 ratings) | 10.0 (1 ratings) |
| Ease of integration | 7.3 (34 ratings) | - (0 ratings) | 9.2 (2 ratings) |
| Product Scalability | - (0 ratings) | - (0 ratings) | 10.0 (1 ratings) |
| Professional Services | - (0 ratings) | - (0 ratings) | 10.0 (1 ratings) |
| Vendor post-sale | - (0 ratings) | - (0 ratings) | 10.0 (1 ratings) |
| Vendor pre-sale | - (0 ratings) | - (0 ratings) | 10.0 (1 ratings) |
| Mattermost | RationalPlan | Slack | |
|---|---|---|---|
| Likelihood to Recommend | Mattermost
| ![]() Stand By Soft
| Salesforce
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| Pros | Mattermost
| ![]() Stand By Soft
| Salesforce
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| Cons | Mattermost
| ![]() Stand By Soft
| Salesforce
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| Likelihood to Renew | Mattermost
| ![]() Stand By Soft No answers on this topic | Salesforce
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| Usability | Mattermost
| ![]() Stand By Soft No answers on this topic | Salesforce
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| Reliability and Availability | Mattermost No answers on this topic | ![]() Stand By Soft No answers on this topic | Salesforce
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| Performance | Mattermost No answers on this topic | ![]() Stand By Soft No answers on this topic | Salesforce
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| Support Rating | Mattermost
| ![]() Stand By Soft
| Salesforce
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| Implementation Rating | Mattermost
| ![]() Stand By Soft No answers on this topic | Salesforce
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| Alternatives Considered | Mattermost
| ![]() Stand By Soft
| Salesforce
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| Return on Investment | Mattermost
| ![]() Stand By Soft
| Salesforce
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| ScreenShots | Mattermost Screenshots | RationalPlan Screenshots |





















