# ECHO On vs LabRef

The clearest difference is update cadence: ECHO On at weekly against LabRef's every 5 weeks. ECHO On also leads on iOS requirement (15.6 vs 26). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for ECHO On against 5.0 for LabRef. Both are backed by a comparable volume of ratings — 14 and 25 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ECHO On ships an update weekly, LabRef every 5 weeks. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ECHO On | LabRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (14 ratings)](https://appshunter.io/ios/app/echo-on/id1519707786/reviews) | **[5.0 (25 ratings)](https://appshunter.io/ios/app/labref/id6751020319/reviews)** |
| Number of ratings | 14 | **25** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 414 MB | 16 MB |
| Requires iOS | **15.6** | 26 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Robert Arrigo](https://appshunter.io/developer/1519707788) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### ECHO On

[App page](https://appshunter.io/ios/app/echo-on/id1519707786)

This medical education app helps users learn Transesophageal Echocardiography with a question bank, cognitive aid, case log, and reference library. It provides guidance on performing and interpreting a standard 28-view exam, including anatomy, function, and Doppler interrogations.

**Highlights:** Transesophageal Echocardiography education, Enlarging question bank, Rescue TEE cognitive aid, Case Log system, Perioperative Quick Reference library, Offline echo loops, Pathology, technique, and normal loop examples

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

**In-app purchases:** none


### LabRef

[App page](https://appshunter.io/ios/app/labref/id6751020319)

This medical reference app provides concise interpretations and reference ranges for common laboratory values across various disciplines. It's designed for quick access at the bedside, aiding in clinical decision-making. The app is for educational and informational purposes only.

**Highlights:** Interprets common laboratory values, Covers hematology, nephrology, critical care, and perioperative medicine, Provides concise interpretations, Includes reference ranges, Clean, intuitive interface, Optimized for bedside use

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

**In-app purchases:** none


## Frequently asked questions

### Is ECHO On free?

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

### Is LabRef free?

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

### Which has better reviews, ECHO On or LabRef?

LabRef is rated higher. ECHO On averages 4.9 out of 5 from 14 ratings, while LabRef averages 5.0 from 25 ratings.

### Do ECHO On or LabRef have ads?

Neither ECHO On nor LabRef shows ads.

### Which is updated more often, ECHO On or LabRef?

ECHO On ships an update weekly, and LabRef every 5 weeks. Most recently, ECHO On was updated on September 10, 2026 and LabRef on September 23, 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.*