# AngioAID 3D vs Echo Calculate

The clearest difference is in-app purchases: AngioAID 3D at none against Echo Calculate's 1. Echo Calculate's advantage is ads (none vs shown) and update cadence (every 6 months vs every 28 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Echo Calculate sells 1 one-off in-app purchase. AngioAID 3D asks for nothing beyond the download.

AngioAID 3D ships an update every 28 months, Echo Calculate every 6 months. The most recent releases landed on June 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | AngioAID 3D | Echo Calculate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/angioaid-3d/id1639925845/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 28 months | **Every 6 months** |
| Monetization | Ad-supported | — |
| Size | 92 MB | 26 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) | [Gundogan Emre](https://appshunter.io/developer/1651146056) |

## What reviewers say

### AngioAID 3D

[App page](https://appshunter.io/ios/app/angioaid-3d/id1639925845)

An interactive 3D simulation for learning diagnostic angiography of coronary arteries. Practice advancing catheters, manipulating views, and injecting dye in a realistic environment. Includes review modes with key anatomical and procedural information.

**Highlights:** 3D live simulation of coronary angiography, Interactive guidewire and catheter manipulation, Hemodynamic monitoring, C-Arm angle adjustment, Dye injection and cine comparison, Review Mode with anatomical insights, Tutorial video

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo Calculate

[App page](https://appshunter.io/ios/app/echo-calculate/id1660468437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Calculate Premium | $3.99 | one-time |


## Frequently asked questions

### Is AngioAID 3D free?

AngioAID 3D is free to download, with no in-app purchases.

### Is Echo Calculate free?

Echo Calculate is free to download, with in-app purchases available.

### Do AngioAID 3D or Echo Calculate have ads?

AngioAID 3D shows ads; Echo Calculate does not.

### Which is updated more often, AngioAID 3D or Echo Calculate?

AngioAID 3D ships an update every 28 months, and Echo Calculate every 6 months. Most recently, AngioAID 3D was updated on June 11, 2026 and Echo Calculate on September 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.*