# S vs xDTU Connect

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.

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.

## The numbers

| Metric | S | xDTU Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/s-miles-installer/id1544207772/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | **65.8% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 224 MB | 3 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) | [Aliaksandr Strakovich](https://appshunter.io/developer/969045272) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-miles-installer/id1544207772)

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.

**Highlights:** Account monitoring, Visual installation guide, Microinverter configuration, Power generation data, Module-level data, Alarm information, Commissioning & diagnostics

**Features:** macOS Compatibility

**In-app purchases:** none


### xDTU Connect

[App page](https://appshunter.io/ios/app/xdtu-connect/id6477761541)

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.

**Highlights:** ESP32 hardware monitoring, OpenDTU firmware integration, Telemetry data display, Widget support, Feedback and suggestions section

**In-app purchases:** none


## Frequently asked questions

### Is S free?

S is free to download, with no in-app purchases.

### Is xDTU Connect free?

xDTU Connect is free to download, with no in-app purchases.

### Do S or xDTU Connect have ads?

Neither S nor xDTU Connect shows ads.

### Which is updated more often, S or xDTU Connect?

S ships an update monthly, and xDTU Connect weekly. Most recently, S was updated on November 7, 2026 and xDTU Connect on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*