# TAVRcathAID vs Echolism

The clearest difference is in-app purchases: TAVRcathAID at none against Echolism's 12. TAVRcathAID also leads on device support (3 vs 1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Echolism sells 12 in-app purchases, starting at $3.99 per month. TAVRcathAID asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for TAVRcathAID against 4.5 for Echolism. Both are backed by a comparable volume of ratings — 5 and 8 respectively.

TAVRcathAID ships an update fortnightly, Echolism monthly. The most recent releases landed on June 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | TAVRcathAID | Echolism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/tavrcathaid/id1445366780/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/echolism/id6467902813/reviews) |
| Number of ratings | 5 | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 154 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) | [SchallFIT OG](https://appshunter.io/developer/1708877127) |

## What reviewers say

### TAVRcathAID

[App page](https://appshunter.io/ios/app/tavrcathaid/id1445366780)

This educational tool provides step-by-step guidance for performing diagnostic coronary angiograms and percutaneous coronary interventions after trans-catheter aortic valve implantation. It features illustrations and animations to aid in understanding complex procedures.

**Highlights:** Step-by-step procedural guidance, Illustrations and animations, Focus on post-TAVR interventions, Diagnostic coronary angiogram guide, Percutaneous coronary intervention guide

**Features:** macOS Compatibility

**In-app purchases:** none


### Echolism

[App page](https://appshunter.io/ios/app/echolism/id6467902813)

Master echocardiography and assess left ventricular function with advanced learning techniques. This pocket-sized tool offers self-quizzing and spaced repetition for efficient learning anytime, anywhere.

**Highlights:** Learn echocardiography, Assess left ventricular function, Self-quizzing, Spaced repetition, Pocket-sized learning

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echolism Pro | $3.99 | per month |
| Echolism Pro | $3.99 | per month |
| Echolism Pro | $3.99 | per month |
| Echolism Pro | $5.99 | per month |
| Echolism Pro | $5.99 | per month |
| Echolism Pro | $5.99 | per month |
| Echolism Pro | $22.00 | per year |
| Echolism Pro | $22.00 | per year |
| Echolism Pro | $22.00 | per year |
| Echolism Pro | $45.00 | per year |
| Echolism Pro | $45.00 | per year |
| Echolism Pro | $45.00 | per year |


## Frequently asked questions

### Is TAVRcathAID free?

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

### Is Echolism free?

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

### Which has better reviews, TAVRcathAID or Echolism?

TAVRcathAID is rated higher. TAVRcathAID averages 4.6 out of 5 from 5 ratings, while Echolism averages 4.5 from 8 ratings.

### Do TAVRcathAID or Echolism have ads?

Neither TAVRcathAID nor Echolism shows ads.

### Which is updated more often, TAVRcathAID or Echolism?

TAVRcathAID ships an update fortnightly, and Echolism monthly. Most recently, TAVRcathAID was updated on June 4, 2026 and Echolism on September 24, 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.*