# ECHO On vs Valve PPM

The clearest difference is update cadence: ECHO On at weekly against Valve PPM's every 2 months. ECHO On also leads on ratings volume (14 vs 3). On price, rating, review sentiment and ads 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 Valve PPM. Both are backed by a comparable volume of ratings — 14 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ECHO On ships an update weekly, Valve PPM every 2 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ECHO On | Valve PPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (14 ratings)](https://appshunter.io/ios/app/echo-on/id1519707786/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/valve-ppm/id1604258260/reviews)** |
| Number of ratings | **14** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 414 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Robert Arrigo](https://appshunter.io/developer/1519707788) | [KRUTSCH](https://appshunter.io/developer/1454678018) |

## 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


### Valve PPM

[App page](https://appshunter.io/ios/app/valve-ppm/id1604258260)

This tool assists medical professionals in assessing implanted prosthetic cardiac valves. It offers guidance for checking existing valve function and selecting the optimal valve before implantation based on patient and prosthesis parameters.

**Highlights:** Assess implanted valve function, Select optimal valve before implantation, Analyze patient and prosthesis parameters, Identify potential patient-prosthesis mismatch, Determine intrinsic prosthesis dysfunction

**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 Valve PPM free?

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

### Which has better reviews, ECHO On or Valve PPM?

Valve PPM is rated higher. ECHO On averages 4.9 out of 5 from 14 ratings, while Valve PPM averages 5.0 from 3 ratings.

### Do ECHO On or Valve PPM have ads?

Neither ECHO On nor Valve PPM shows ads.

### Which is updated more often, ECHO On or Valve PPM?

ECHO On ships an update weekly, and Valve PPM every 2 months. Most recently, ECHO On was updated on October 13, 2026 and Valve PPM on October 8, 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.*