Comparison

Mattermost vs Pumble

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • Organized team chat
  • Project and team channels
  • Built-in video meetings
  • File sharing
  • Searchable message history
  • Cross-platform support
Features
Read full description

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

Mattermost4 screens
Pumble4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Mattermost ships an update every 9 days, Pumble fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Mattermost versus Pumble: the parameters behind the verdict, then further details
ParameterMattermostPumble
PriceFreeFree
Rating4.8 (5.7K ratings) — better4.7 (1.8K ratings)
Positive reviews37.7% of reviews55.0% of reviews — better
Number of ratings5.7K — better1.8K
Update frequencyEvery 9 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size94 MB132 MB
Age rating4+4+
DeveloperMattermost, Inc.CAKE.com

Customer experience

Mattermost

All ratings5,722 ratings
Positive94.7%
Neutral1.7%
Negative3.5%
Written reviews499 reviews
Positive37.7%
Neutral15.2%
Negative47.1%

Pumble

All ratings1,844 ratings
Positive93.5%
Neutral2.3%
Negative4.1%
Written reviews60 reviews
Positive55.0%
Neutral11.7%
Negative33.3%

User reviews

Mattermost

From 5.7K App Store ratings

What 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 ratings

What 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
Show 1 more
  • Implement a 'delete sent message' feature

In-app purchases

None

Mattermost

No in-app purchases

None

Pumble

No in-app purchases

Questions

Is Mattermost free?
Mattermost is free to download, with no in-app purchases.
Is Pumble free?
Pumble is free to download, with no in-app purchases.
Which has better reviews, Mattermost or Pumble?
Mattermost is rated higher. Mattermost averages 4.8 out of 5 from 5.7K ratings, while Pumble averages 4.7 from 1.8K ratings.
Do Mattermost or Pumble have ads?
Neither Mattermost nor Pumble shows ads.
Which is updated more often, Mattermost or Pumble?
Mattermost ships an update every 9 days, and Pumble fortnightly. Most recently, Mattermost was updated on November 2, 2026 and Pumble on November 3, 2026.

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