# TnECHO vs HIE Calculator

The clearest difference is update cadence: HIE Calculator at monthly against TnECHO's every 3 months. TnECHO's advantage is iOS requirement (7.1 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

TnECHO ships an update every 3 months, HIE Calculator monthly. The most recent releases landed on November 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TnECHO | HIE Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/tnecho/id522700359/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 156 MB | 2 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [The Hospital for Sick Children](https://appshunter.io/developer/444728983) | [khorshid mohammad](https://appshunter.io/developer/1532738698) |

## What reviewers say

### TnECHO

[App page](https://appshunter.io/ios/app/tnecho/id522700359)

This application supports neonatologists in training by providing visual guides for neonatal echocardiography. It includes videos and loops to familiarize users with basic views and anatomical structures, aiding self-directed learning in the NICU setting.

**Highlights:** Probe position videos, 2D echo loops, Color Doppler loops, Anatomical structure labeling, Self-directed learning aid, NICU decision support

**In-app purchases:** none


### HIE Calculator

[App page](https://appshunter.io/ios/app/hie-calculator/id1275901770)

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

**In-app purchases:** none


## Frequently asked questions

### Is TnECHO free?

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

### Is HIE Calculator free?

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

### Do TnECHO or HIE Calculator have ads?

Neither TnECHO nor HIE Calculator shows ads.

### Which is updated more often, TnECHO or HIE Calculator?

TnECHO ships an update every 3 months, and HIE Calculator monthly. Most recently, TnECHO was updated on November 1, 2026 and HIE Calculator on October 16, 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.*