Comparison

Mattermost vs Passwork Self

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

Passwork Self

This secure corporate password manager facilitates team collaboration by providing employees with quick access to all necessary passwords. Administrators maintain strict control over user rights and actions, ensuring data is safely stored on your own server.

Highlights
  • Team password access
  • Administrator control
  • Secure data storage
  • Server-based management
  • PHP and MongoDB compatible
  • Linux and Windows installation
Features
Read full description

Passwork provides an advantage of effective teamwork with corporate passwords in a totally safe environment. Employees can quickly access all their passwords, while the rights and actions are closely supervised and managed by local system administrators. All data are securely stored on your server and managed only by your system administrators. Passwork server runs on PHP and MongoDB, while it can be installed on Linux and Windows with or without Docker.

Screenshots

Mattermost4 screens
Passwork Self4 screens

Verdict

The call

The clearest difference is update cadence: Mattermost at every 8 days against Passwork Self's every 6 weeks. Passwork Self's advantage is review sentiment (50% vs 38%). On price, ads, in-app purchases and monetization model 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.

UpkeepUpdate frequency

Mattermost ships an update every 8 days, Passwork Self every 6 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Mattermost versus Passwork Self: the parameters behind the verdict, then further details
ParameterMattermostPasswork Self
PriceFreeFree
Rating4.8 (5.6K ratings) — better—
Positive reviews37.6% of reviews50.0% of reviews — better
Number of ratings5.6K — better—
Update frequencyEvery 8 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size93 MB42 MB
Age rating4+4+
DeveloperMattermost, Inc.Passwork Oy

Customer experience

Mattermost

All ratings5,643 ratings
Positive94.7%
Neutral1.7%
Negative3.6%
Written reviews497 reviews
Positive37.6%
Neutral15.1%
Negative47.3%

Passwork Self

Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

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

Passwork Self

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mattermost

No in-app purchases

None

Passwork Self

No in-app purchases

Questions

Is Mattermost free?
Mattermost is free to download, with no in-app purchases.
Is Passwork Self free?
Passwork Self is free to download, with no in-app purchases.
Do Mattermost or Passwork Self have ads?
Neither Mattermost nor Passwork Self shows ads.
Which is updated more often, Mattermost or Passwork Self?
Mattermost ships an update every 8 days, and Passwork Self every 6 weeks. Most recently, Mattermost was updated on October 14, 2026 and Passwork Self on October 8, 2026.

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