Mattermost vs Pumble
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mattermost
This platform enables secure messaging, file sharing, and workflow automation for critical industries. It offers voice calls, project management, and enterprise mobility management for enhanced collaboration and data control.
- Secure messaging, file, and link sharing
- 1:1 and group voice calls
- Workflow automation with Playbook
- Enterprise Mobility Management support
- Private mobility with ID-only push notifications
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Requires Mattermost Server v11.7.0+. Older servers may not be able to connect or have unexpected behavior. ------- Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. The platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. - Securely share messages, files, and links across from your preferred mobile devices. - Start 1:1 and group voice calls with a single click without leaving Mattermost. - Keep critical workflows moving forward with Playbook. - Get the message out without having to manage every endpoint with Enterprise Mobility Management (AppConfig) support. - Private mobility with ID-only push notifications to keep sensitive data protected while keeping stakeholders informed. To use this app, you need a URL for a Mattermost server. ------- Deploy your own server: https://docs.mattermost.com/guides/deployment.html Terms of Service: https://mattermost.com/terms-of-service/ Contribute to the project: https://github.com/mattermost/mattermost-mobile
Pumble
This app facilitates team communication through organized chat, channels, and video meetings. It offers unlimited message history and file sharing, allowing businesses to keep all work discussions in one centralized location. Work from anywhere with cross-platform compatibility.
- Organized team chat
- Project and team channels
- Built-in video meetings
- File sharing
- Searchable message history
- Cross-platform support
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Communicate with your team through organized chat, channels, and video meetings. Pumble is a team messaging app built for businesses that need clear communication and an unlimited message history. Create channels for projects and teams, start meetings directly from conversations, and keep all work discussions in one place. TEAM MESSAGING THAT STAYS ORGANIZED Send direct messages to teammates and keep everyday communication simple. Share updates, ask questions, and keep work conversations in the same place where work happens. CHANNELS FOR PROJECTS AND TEAMS Create channels for projects, departments, or topics. Channels help teams organize discussions so that everyone can follow conversations without confusion. BUILT-IN VIDEO MEETINGS Start video meetings directly from a conversation. Share your screen when presenting ideas, reviewing work, or helping teammates solve problems. FILE SHARING Share documents, images, and links with your team. Files stay connected to conversations, so information is easy to find later. SEARCHABLE MESSAGE HISTORY Search across messages, files, and shared links when you need them. Message history helps teams keep track of decisions and information over time. WORK FROM ANYWHERE Use Pumble on mobile, desktop, or web. Stay connected with your team whether you’re at the office, working remotely, or on the move. FREE PLAN AVAILABLE Start with a FREE plan that includes unlimited users, unlimited message history, team channels, and video meetings. ADVANCED FEATURES FOR TEAMS Organizations that need additional control can benefit from advanced capabilities, such as unlimited integrations, meeting recordings, single sign-on (SSO), user management, and permissions control. Download the app and create an account for free, or log in using your existing details.
Screenshots
Verdict
Mattermost and Pumble both sit at 4.8 stars, but that hides the real split: 55% of Pumble's written reviews are positive against 38% of Mattermost's. Pumble also leads on iOS requirement (15.0 vs 18.0). Mattermost's advantage is ratings volume (5.7K vs 1.8K). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for Mattermost against 4.7 for Pumble. Both are backed by a comparable volume of ratings — 5.7K and 1.8K respectively. Written reviews are what separate them: 38% of Mattermost's written reviews are positive against 55% of Pumble's.
Mattermost ships an update every 9 days, Pumble fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Mattermost | Pumble |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5.7K ratings) — better | 4.7 (1.8K ratings) |
| Positive reviews | 37.7% of reviews | 55.0% of reviews — better |
| Number of ratings | 5.7K — better | 1.8K |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 94 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | Mattermost, Inc. | CAKE.com |
Customer experience
Mattermost
Pumble
User reviews
Mattermost
From 5.7K App Store ratingsWhat we love
- 🚀 Fast and responsive
- 🔒 Secure self-hosted solution
- 👍 Great Slack alternative
- 💡 Customizable and extensible
- 🧲 Integrates well with other tools
Room to improve
- 🐛 Buggy and unstable
- 🔑 Frustrating login/authentication issues
- 🔔 Inconsistent or missing notifications
- 🖼️ Trouble with image/file uploads
- 🕰️ Slow performance and lag
Pumble
From 1.8K App Store ratingsWhat we love
- 🚀 Excellent Slack alternative
- 👍 Easy to use and organize
- 💡 Great for small businesses and startups
- 🚀 Reliable and straightforward
- 👍 Simple and less cluttered than other apps
Room to improve
- 🐛 Bugs and glitches (app crashes, login issues, unable to send files/screenshots)
- 👎 Not user-friendly (confusing navigation, unable to scan conversations)
- 🐛 Slow notifications and app responsiveness
- 🔒 Privacy concerns (sending fake messages to email)
- 👎 Lacking features compared to competitors (no landscape mode, no read receipts, limited customization)
Bugs and requests
Mattermost
Reported bugs
5 issues- Crashes on startup
- Unread message indicators not working
- Keyboard issues on iPad/desktop
- Compatibility problems with iOS 17+
- Randomly logs users out
Requested features
5 requests- Add voice messaging capability
- Improve multi-server support
- Integrate end-to-end encryption
- Introduce iPad-optimized layout
- Provide more customization options
Pumble
Reported bugs
5 issues- Login issues and unable to access previous conversations
- Inability to send files, screenshots, and images on mobile
- Randomly deleting or restoring messages while typing
- Lack of support for Chinese characters
- Incompatibility with older devices
Requested features
6 requests- Add a 'catch-up' feature like Slack
- Implement a 'message seen' option
- Allow users to create and use custom stickers
- Improve iPad and tablet support
- Add more customization options for workspace settings
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- Implement a 'delete sent message' feature
In-app purchases
Mattermost
No in-app purchases
Pumble
No in-app purchases









