Mattermost vs P1 ChatOps
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
P1 ChatOps
This secure chat application facilitates mission execution for government customers. It requires an invitation to connect to specific servers and adherence to cybersecurity policies.
- Secure chat
- Collaboration capabilities
- Mission execution support
- Platform One integration
- Mattermost powered
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P1 ChatOps is the certified mobile application for Platform One (P1) and its customers. In conjunction with Mattermost, P1 ChatOps provides secure chat and collaboration capabilities for mission execution. The application is only intended for P1 customers. Contact your organization’s onboarding supervisor for instructions to connect to one of P1’s chat servers. Interested in becoming a customer? Learn more at https://p1.dso.mil. All users must abide by DoD and service/agency cybersecurity policy.
Screenshots
Verdict
The clearest difference is rating: Mattermost at 4.8 against P1 ChatOps's 2.1. Mattermost also leads on update cadence (every 8 days vs every 4 months) and review sentiment (38% vs 8%). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mattermost holds the better App Store score, 4.8 against 2.1. That said, the two scores are not equally well evidenced: Mattermost has 5.6K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 38% of Mattermost's written reviews are positive against 8% of P1 ChatOps's.
Mattermost ships an update every 8 days, P1 ChatOps every 4 months. The most recent releases landed on September 25, 2026 and August 3, 2026 respectively.
| Parameter | Mattermost | P1 ChatOps |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5.6K ratings) — better | 2.1 (21 ratings) |
| Positive reviews | 37.6% of reviews — better | 8.3% of reviews |
| Number of ratings | 5.6K — better | 21 |
| Update frequency | Every 8 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 93 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Mattermost, Inc. | USAF-BESPIN |
Customer experience
Mattermost
P1 ChatOps
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
P1 ChatOps
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mattermost
No in-app purchases
P1 ChatOps
No in-app purchases









