# InvoSurg vs ECMO Bedside Guide

The clearest difference is rating: ECMO Bedside Guide at 5.0 against InvoSurg's 4.3. ECMO Bedside Guide also leads on update cadence (every 4 months vs every 10 months). On price, review sentiment, ratings volume 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.

ECMO Bedside Guide holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

InvoSurg ships an update every 10 months, ECMO Bedside Guide every 4 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | InvoSurg | ECMO Bedside Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (11 ratings)](https://appshunter.io/ios/app/invosurg/id1480250400/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/ecmo-bedside-guide/id6738068755/reviews)** |
| Number of ratings | **11** | 7 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 22 MB | 58 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Invosurg Inc.](https://appshunter.io/developer/1480250399) | [Extracorporeal Life Support Organization](https://appshunter.io/developer/1504162103) |

## What reviewers say

### InvoSurg

[App page](https://appshunter.io/ios/app/invosurg/id1480250400)

This medical app assists cardiac surgery clinicians by providing access to individualized care information, calculations for delivered oxygen during cardiopulmonary bypass, and a repository of educational events and publications. It serves as a convenient mobile reference for CPB and Extra Corporeal Life Support therapies, along with evidence-based guidelines.

**Highlights:** Individualized care information, Delivered Oxygen (DO2) calculation, Educational event calendar, CPB and ECLS therapy information, Evidence-Based Guidelines reference, Cardiac surgery publications

**Features:** macOS Compatibility

**In-app purchases:** none


### ECMO Bedside Guide

[App page](https://appshunter.io/ios/app/ecmo-bedside-guide/id6738068755)

This app provides healthcare professionals with essential, offline access to vital information for managing patients on Extracorporeal Membrane Oxygenation (ECMO). It includes calculators, checklists, medication dosing, equipment details, and emergency guidance.

**Highlights:** Rapid calculations for BSA, flows, and oxygenation, Comprehensive checklists for ECMO management, Medication dosing information, Equipment specifications and usage, Candidacy assessments for adult and pediatric patients, Emergency guidance with 'Panic!' button, Offline access to all features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InvoSurg free?

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

### Is ECMO Bedside Guide free?

ECMO Bedside Guide is free to download, with no in-app purchases.

### Which has better reviews, InvoSurg or ECMO Bedside Guide?

ECMO Bedside Guide is rated higher. InvoSurg averages 4.3 out of 5 from 11 ratings, while ECMO Bedside Guide averages 5.0 from 7 ratings.

### Do InvoSurg or ECMO Bedside Guide have ads?

Neither InvoSurg nor ECMO Bedside Guide shows ads.

### Which is updated more often, InvoSurg or ECMO Bedside Guide?

InvoSurg ships an update every 10 months, and ECMO Bedside Guide every 4 months. Most recently, InvoSurg was updated on September 9, 2026 and ECMO Bedside Guide on September 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.*