# ASE TTE vs EchoRef

The clearest difference is review sentiment: EchoRef at 100% against ASE TTE's 0%. EchoRef also leads on price (Free vs $4.99) and rating (4.9 vs 2.0). ASE TTE's advantage is iOS requirement (12.1 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

EchoRef is free to download; ASE TTE costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EchoRef holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: EchoRef has 1.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of ASE TTE's written reviews are positive against 100% of EchoRef's.

ASE TTE ships an update every 29 months, EchoRef every 2 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ASE TTE | EchoRef |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/ase-tte/id656925654/reviews) | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/echoref/id1434016053/reviews)** |
| Number of ratings | 2 | **1.4K** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 749 MB | 105 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Medmovie, Inc.](https://appshunter.io/developer/504913913) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### ASE TTE

[App page](https://appshunter.io/ios/app/ase-tte/id656925654)

This app provides animated content for learning echocardiographic study techniques. It includes instructional videos and interactive menus to visualize cardiac anatomy and transducer positions for image acquisition.

**Highlights:** Animated echocardiographic content, Instructional video for lectures, Nonlinear access to views, Cardiac anatomy visualization, Transducer position guidance, Image acquisition menus

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

**In-app purchases:** none


### EchoRef

[App page](https://appshunter.io/ios/app/echoref/id1434016053)

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

**Highlights:** Point-of-care ultrasound (POCUS), Transthoracic echocardiography (TTE), Transesophageal echocardiography (TEE), Cardiac dimensions and valve measurements, Hemodynamic and ultrasound calculations, Interventional procedure lessons

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

**In-app purchases:** none


## Frequently asked questions

### Is ASE TTE free?

ASE TTE costs $4.99, with no in-app purchases.

### Is EchoRef free?

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

### Which has better reviews, ASE TTE or EchoRef?

EchoRef is rated higher. ASE TTE averages 2.0 out of 5 from 2 ratings, while EchoRef averages 4.9 from 1.4K ratings.

### Do ASE TTE or EchoRef have ads?

Neither ASE TTE nor EchoRef shows ads.

### Which is updated more often, ASE TTE or EchoRef?

ASE TTE ships an update every 29 months, and EchoRef every 2 months. Most recently, ASE TTE was updated on October 13, 2026 and EchoRef on October 15, 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.*