Mattermost vs Tesla One
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
Tesla One
This app helps Tesla employees and partners manage daily operations, including customer education and support. It's also used by certified installers and electricians for preparing, installing, and commissioning Tesla products.
- Manage daily operations
- Customer education
- Customer support
- Prepare installations
- Install and commission products
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Tesla One is for Tesla employees and partners to manage their daily operations and functions. Tesla employees can manage their daily operations ranging from customer education to customer support. Certified installers, partners, electricians, and Tesla employees can use Tesla One to prepare, install, and commission. Important: This app is designed exclusively to support Tesla Employees, certified installers, and partners.
Screenshots
Verdict
The clearest difference is rating: Mattermost at 4.8 against Tesla One's 3.0. Mattermost also leads on ratings volume (5.6K vs 301) and review sentiment (38% vs 22%). On price, update cadence, ads and in-app purchases 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 3.0. That said, the two scores are not equally well evidenced: Mattermost has 5.6K ratings behind it against 301, 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 22% of Tesla One's.
Mattermost ships an update every 8 days, Tesla One weekly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.
| Parameter | Mattermost | Tesla One |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5.6K ratings) — better | 3.0 (301 ratings) |
| Positive reviews | 37.6% of reviews — better | 22.0% of reviews |
| Number of ratings | 5.6K — better | 301 |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 93 MB | 294 MB |
| Age rating | 4+ | 4+ |
| Developer | Mattermost, Inc. | Tesla, Inc. |
Customer experience
Mattermost
Tesla One
User reviews
Mattermost
From 5.6K 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
Tesla One
From 301 App Store ratingsWhat we love
- ✅ Seamless commissioning experience for wall connectors
- 👍 User-friendly interface once login method is understood
- 🎓 Excellent installer training videos and educational content
- 🔧 Ability to manage WiFi settings and device configuration
- ⚡ Works flawlessly on Android devices
Room to improve
- 🐛 Frequent app freezing and crashes
- ❌ Non-functional for regular consumers/homeowners
- 🔐 Confusing login process and unclear authentication requirements
- 📱 Significant iOS/iPhone compatibility issues
- ⚠️ Removed web interface forcing mandatory app usage
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
Tesla One
Reported bugs
14 issues- App freezes on Face ID authentication screen
- Crashes when scanning QR codes or barcodes
- Unable to access jobs/equipment on install screen (iPhone)
- App fails to connect to Powerwalls and wall connectors
- Barcode scanning functionality unreliable
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- Phase detection failures during commissioning
- App not saving device information after failed setup attempts
- Login credentials rejected despite correct username/password
- Mobile badge feature missing on iPhone despite rollout promises
- Grid charging settings being reset unexpectedly
- WiFi connection lost immediately after configuration
- App unresponsive when selecting products (e.g., Powerwall)
- Clock in/punch functionality not working properly
- App not refreshing on Tesla WiFi or mobile data
Requested features
10 requests- Restore web interface for direct IP address access
- Offline mode for clocking in/out without WiFi
- Remove location permission requirement for time punch
- Simplify login process with clearer instructions
- Add troubleshooting video content
Show 5 moreShow fewer
- Restore granular backup reserve percentage control
- Enable consumer/homeowner access without employee credentials
- Improve WiFi network compatibility (WPA3 support)
- Integrate scheduling functionality into main Tesla app
- Mobile badge functionality for iPhone users
In-app purchases
Mattermost
No in-app purchases
Tesla One
No in-app purchases
