# Cardisiograph vs xDTU Connect

The clearest difference is update cadence: xDTU Connect at weekly against Cardisiograph's every 2 months. Cardisiograph's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.2). 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.

Cardisiograph ships an update every 2 months, xDTU Connect weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cardisiograph | xDTU Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardisiograph/id1613940124/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 41 MB | 3 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cardisio GmbH](https://appshunter.io/developer/1613940426) | [Aliaksandr Strakovich](https://appshunter.io/developer/969045272) |

## What reviewers say

### Cardisiograph

[App page](https://appshunter.io/ios/app/cardisiograph/id1613940124)

This utility app provides internet connectivity for local devices. It enables WLAN access for your customer devices, facilitating seamless online experiences.

**Highlights:** Internet connectivity provider, WLAN access, Local device support, Customer device connectivity

**Features:** macOS Compatibility, Vision Pro support

**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 Cardisiograph free?

Cardisiograph 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 Cardisiograph or xDTU Connect have ads?

Neither Cardisiograph nor xDTU Connect shows ads.

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

Cardisiograph ships an update every 2 months, and xDTU Connect weekly. Most recently, Cardisiograph was updated on November 3, 2026 and xDTU Connect on October 30, 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.*