SIMATIC WinCC OA UI vs IoT MQTT Panel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIMATIC WinCC OA UI
Monitor and control your SIMATIC WinCC OA plant remotely from your smartphone or tablet. Access the same powerful functionality as the desktop interface, ensuring secure and reliable real-time operation from anywhere.
- Remote plant monitoring
- Real-time control
- Multiple system connections
- Secure data transmission
- Intuitive mobile interface
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Stay in control of your SIMATIC WinCC OA plant - anytime, anywhere - with the WinCC OA UI App on your smartphone or tablet. Whether you're in the office, on the move, or on-site, you can monitor and intervene in real time. The app provides the same powerful functionality as the familiar desktop user interface - secure, reliable, and optimized for mobile use. Key Benefits at a Glance: - Flexible Remote Access: Monitor and control your plant from anywhere. - Multiple System Connections: Easily switch between different WinCC OA systems. - Secure Data Transmission: Connect via HTTP or HTTPS with optional SSL encryption. - Intuitive Operation: A familiar interface designed for mobile devices. Note: By downloading this app, you agree to the associated license agreements.
IoT MQTT Panel
Create DIY smart home projects quickly with a configurable dashboard. This app supports MQTT and Websocket protocols with SSL for secure communication. It offers real-time updates, customizable panels with over 250 icons, and various data visualization options.
- Always-on dashboard
- MQTT & Websocket support
- SSL secure communication
- Real-time panel updates
- 250+ customizable icons
- Dark theme
- Import/Export configuration
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With this app you can make DIY Smart Home project in a minute. The configurations are very simple. Well documented FAQ and User Guide are available at application info page. Features: 1. Can run as always on Dashboard. 2. Supports both MQTT (TCP) and Websocket protocol. 3. SSL for secure communication. 4. JSON Support for both subscribe and publish message. 5. Panels subscribe and / or publish the topic automatically, hence get updated in real time. 6. Designed to work with public broker efficiently (using device prefix). 7. Sent and Received timestamp from broker. 8. Material design. 9. Flexible panel width, merge any panels 10. More than 250 icons to customize specific panels. 11. Dark theme for comfortable use in low light. 12. Clone connection, device or panel for effortless configuration 13. Import/Export application configuration for easy share with multiple devices. 14. Re-connects automatically if connection lost. 15. Persist export message for log and graph. Available panels: -Button -Slider -Switch -LED Indicator -Combo Box -Radio Buttons -Multi-State Indicator -Progress -Gauge -Color Picker -Time Picker -Text Input -Text Log -Image -Barcode Scanner -Line graph -Bar graph -Chart -URI Launcher This list will grow upon feedback from users. Your feedback is much appreciated. If you find any issue please feel free to leave a comment in my blog with steps to reproduce. https://blog.snrlab.in/iot/iot-mqtt-panel-user-guide/
Screenshots
Verdict
The clearest difference is ads: SIMATIC WinCC OA UI at none against IoT MQTT Panel's shown. SIMATIC WinCC OA UI also leads on monetization model (free vs free with in-app purchases) and review sentiment (100% vs 85%). IoT MQTT Panel's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (44 vs 2). On price, in-app purchases, device support and iOS requirement 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.
SIMATIC WinCC OA UI holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: IoT MQTT Panel has 44 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of SIMATIC WinCC OA UI's written reviews are positive against 85% of IoT MQTT Panel's.
SIMATIC WinCC OA UI ships an update every 2 months, IoT MQTT Panel fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | SIMATIC WinCC OA UI | IoT MQTT Panel |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (44 ratings) |
| Positive reviews | 100.0% of reviews — better | 84.8% of reviews |
| Number of ratings | 2 | 44 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 70 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Siemens AG | Rahul Kundu |
Customer experience
SIMATIC WinCC OA UI
IoT MQTT Panel
Bugs and requests
SIMATIC WinCC OA UI
Not enough reviews yet to summarise bugs or requests.
IoT MQTT Panel
Reported bugs
7 issues- Randomly won't connect to public MQTT brokers
- App fails to connect to broker frequently
- Connectivity seems very inconsistent
- App freezes when trying to input URL in web page panel
- App does not reconnect after MQTT server disconnects, requires restart
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- After update, panel window periodically moves up
- Sometimes switches sensor tabs with significant delay or stops working
Requested features
13 requests- Configuration example would be useful
- Gauges showing color portions instead of whole gauge changing color
- Apple Watch support for viewing data
- Option to search for keywords in payload
- Icon for opening and closing windows
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- Ability to print user guide
- Siri shortcuts integration
- Widgets support
- Customizable graph scales
- Alarm rules and notifications
- Ability to change font color in Text Log widget, possibly based on value condition
- Traditional Chinese language support
- More options for panel size on iPad
In-app purchases
SIMATIC WinCC OA UI
No in-app purchases
IoT MQTT Panel
No in-app purchases
Questions
Is SIMATIC WinCC OA UI free?
Is IoT MQTT Panel free?
Which has better reviews, SIMATIC WinCC OA UI or IoT MQTT Panel?
Do SIMATIC WinCC OA UI or IoT MQTT Panel have ads?
Which is updated more often, SIMATIC WinCC OA UI or IoT MQTT Panel?
Other comparisons
