# EchoSource vs AngioAID 3D

The clearest difference is price: AngioAID 3D at Free against EchoSource's $1.99. AngioAID 3D also leads on rating (4.0 vs 2.8). EchoSource's advantage is ads (none vs shown) and chart position (#63 vs unranked). On update cadence, in-app purchases and device support there is nothing between them.

AngioAID 3D is free to download; EchoSource costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AngioAID 3D holds the better App Store score, 4.0 against 2.8. That said, the two scores are not equally well evidenced: EchoSource has 6 ratings behind it against 1, so its average is the more settled of the two.

EchoSource ships an update every 18 months, AngioAID 3D every 28 months. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | EchoSource | AngioAID 3D |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.8 (6 ratings)](https://appshunter.io/ios/app/echosource/id532460804/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/angioaid-3d/id1639925845/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 18 months** | Every 28 months |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#63** | — |
| Size | 140 MB | 92 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ECGsource LLC](https://appshunter.io/developer/377139096) | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) |

## What reviewers say

### EchoSource

[App page](https://appshunter.io/ios/app/echosource/id532460804)

**Currently charting:** #63 Top Paid · Medical (US App Store)

This medical reference app offers a comprehensive guide to echocardiography, featuring a searchable index of specialized topics and a database of over 90 images and videos. It's designed for cardiologists and trainees to quickly reference diagnostic criteria and clinical disorders.

**Highlights:** Searchable index of specialized echocardiography topics, Database of over 90 figures, images, and videos, Detailed overview of clinical disorders, Evaluation using echocardiography, Reviews of pertinent medical literature, Reference for guideline-based diagnostic criteria

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EchoSource free?

EchoSource costs $1.99, with no in-app purchases.

### Is AngioAID 3D free?

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

### Which has better reviews, EchoSource or AngioAID 3D?

AngioAID 3D is rated higher. EchoSource averages 2.8 out of 5 from 6 ratings, while AngioAID 3D averages 4.0 from 1 ratings.

### Do EchoSource or AngioAID 3D have ads?

AngioAID 3D shows ads; EchoSource does not.

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

EchoSource ships an update every 18 months, and AngioAID 3D every 28 months. Most recently, EchoSource was updated on October 2, 2026 and AngioAID 3D on September 25, 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.*