# Cardio Z vs Echocardio Notes

The clearest difference is price: Echocardio Notes at Free against Cardio Z's $6.99. Echocardio Notes also leads on rating (5.0 vs 4.0) and update cadence (every 6 weeks vs every 21 months). Cardio Z's advantage is ratings volume (3 vs 1) and iOS requirement (10.0 vs 13.4). On ads, in-app purchases and device support there is nothing between them.

Echocardio Notes is free to download; Cardio Z costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Echocardio Notes holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Cardio Z ships an update every 21 months, Echocardio Notes every 6 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Cardio Z | Echocardio Notes |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/cardio-z/id494844989/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/echocardio-notes/id1558887351/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 61.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 15 MB | 12 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [UBQO Limited](https://appshunter.io/developer/415663348) | [Web Artisans, Unipessoal Lda](https://appshunter.io/developer/1279073298) |

## What reviewers say

### Cardio Z

[App page](https://appshunter.io/ios/app/cardio-z/id494844989)

This medical app provides instant Z-scores and centiles for pediatric cardiology measurements. It simplifies the calculation of vital cardiac and pediatric parameters, offering guidance and saving patient data for easy sharing. Designed for healthcare professionals, it streamlines clinical assessments and monitoring.

**Highlights:** Instant Z-score and centile calculations, Supports numerous cardiac and pediatric measurements, Offline functionality, Patient data saving and sharing, Customizable user settings, Guidance tips for measurements

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

**In-app purchases:** none


### Echocardio Notes

[App page](https://appshunter.io/ios/app/echocardio-notes/id1558887351)

This medical reference app offers quick access to current echocardiography values and protocols. Its clean interface provides essential information for healthcare professionals on smartphones and tablets.

**Highlights:** Up-to-date reference values, Echocardiography protocols, Quick and intuitive interface, Smartphone and tablet compatible, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardio Z free?

Cardio Z costs $6.99, with no in-app purchases.

### Is Echocardio Notes free?

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

### Which has better reviews, Cardio Z or Echocardio Notes?

Echocardio Notes is rated higher. Cardio Z averages 4.0 out of 5 from 3 ratings, while Echocardio Notes averages 5.0 from 1 ratings.

### Do Cardio Z or Echocardio Notes have ads?

Neither Cardio Z nor Echocardio Notes shows ads.

### Which is updated more often, Cardio Z or Echocardio Notes?

Cardio Z ships an update every 21 months, and Echocardio Notes every 6 weeks. Most recently, Cardio Z was updated on October 15, 2026 and Echocardio Notes on October 11, 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.*