Cardisiograph vs xDTU Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cardisiograph
This utility app provides internet connectivity for local devices. It enables WLAN access for your customer devices, facilitating seamless online experiences.
- Internet connectivity provider
- WLAN access
- Local device support
- Customer device connectivity
Read full descriptionHide full description
The Cardisio App is intended to provide an internet connectivity (WLAN-Connectivity) for a local costumer device.
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
Read full descriptionHide full description
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 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.
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.
Cardisiograph ships an update every 2 months, xDTU Connect weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Cardisiograph | xDTU Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 20.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.2 |
| Further details — not scored | ||
| Size | 41 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Cardisio GmbH | Aliaksandr Strakovich |
Customer experience
Cardisiograph
xDTU Connect
In-app purchases
Cardisiograph
No in-app purchases
xDTU Connect
No in-app purchases









