S vs xDTU Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
This app helps installers of distributed PV power plants manage accounts and provides visual guides for microinverter installation. It offers rapid configuration, power generation data, and detailed alarm information for commissioning and diagnostics.
- Account monitoring
- Visual installation guide
- Microinverter configuration
- Power generation data
- Module-level data
- Alarm information
- Commissioning & diagnostics
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S-miles Installer is a mobile application developed by Hoymiles especially for installers of distributed PV power plants. It provides an EASY-TO-USE procedure for monitoring accounts and a visual physical layout guide for the installation of microinverters, which helps installers configure monitoring accounts rapidly, and provides installers power generation data on both plant-level & module-level as well as detailed alarm information about the power plant for commissioning & diagnostics.
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 review sentiment: S at 66% against xDTU Connect's 20%. S also leads on iOS requirement (15.0 vs 17.2). xDTU Connect's advantage is update cadence (weekly vs monthly). 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 November 7, 2026 and November 4, 2026 respectively.
| Parameter | S | xDTU Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (15 ratings) — better | — |
| Positive reviews | 65.8% of reviews — better | 20.0% of reviews |
| Number of ratings | 15 — 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 | 224 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
