S vs xDTU Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
Monitor your distributed PV power plant's performance with real-time data. Track energy generation, view module-level details, and receive equipment alarm notifications to ensure optimal operation and yield.
- Module-level monitoring
- Real-time data display
- Plant-level data
- Energy generation tracking
- Alarm information
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S-miles Enduser is a mobile application developed by Hoymiles especially for owners of distributed PV power plants, which can absorb the operating data of PV power plants from S-miles Cloud. There are more functions, such as module-level monitoring, real-time data display for both plant-level & module-level as well as daily, monthly, annual, and total energy display. Furthermore, you can easily see the alarm information with the equipment, which could assist the owner in monitoring the operation of the PV power plant, ensuring normal operation of the power plant and obtaining of the expected yield.
xDTU Connect
Monitor your ESP32 hardware with OpenDTU firmware. View telemetry data directly on your device or through widgets. Ensure read-only web access is configured for optimal performance.
- ESP32 hardware monitoring
- OpenDTU firmware integration
- Telemetry data display
- Widget support
- Feedback and suggestions section
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This app is an iOS client for your ESP32 hardware with OpenDTU firmware on board. The app allows you to receive telemetry data from the OpenDTU device and display it on the app screen or in a widget. IMPORTANT: make sure that you have read-only access to web interface without password (OpenDTU Settings > Security Settings > Permissions) Check out the information section if you have any questions, want to leave feedback or have any suggestions for the development of the application.
Screenshots
Verdict
The clearest difference is update cadence: xDTU Connect at weekly against S's monthly. S's advantage is review sentiment (37% vs 20%) and iOS requirement (15.0 vs 17.2). 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.
S ships an update monthly, xDTU Connect weekly. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.
| Parameter | S | xDTU Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (91 ratings) — better | — |
| Positive reviews | 37.3% of reviews — better | 20.0% of reviews |
| Number of ratings | 91 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 207 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoymiles Power Electronics Inc. | Aliaksandr Strakovich |
Customer experience
S
xDTU Connect
In-app purchases
S
No in-app purchases
xDTU Connect
No in-app purchases








