# iMC SmartLink vs xDTU Connect

The clearest difference is update cadence: xDTU Connect at weekly against iMC SmartLink's every 4 months. iMC SmartLink's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iMC SmartLink ships an update every 4 months, xDTU Connect weekly. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | iMC SmartLink | xDTU Connect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free |
| Size | 44 MB | 3 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州市大为通信有限公司](https://appshunter.io/developer/1514410752) | [Aliaksandr Strakovich](https://appshunter.io/developer/969045272) |

## What reviewers say

### iMC SmartLink

[App page](https://appshunter.io/ios/app/imc-smartlink/id6444357760)

**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 iMC SmartLink free?

iMC SmartLink 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 iMC SmartLink or xDTU Connect have ads?

Neither iMC SmartLink nor xDTU Connect shows ads.

### Which is updated more often, iMC SmartLink or xDTU Connect?

iMC SmartLink ships an update every 4 months, and xDTU Connect weekly. Most recently, iMC SmartLink was updated on September 18, 2026 and xDTU Connect on June 1, 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.*