# InvoSurg vs Emory ECMO

InvoSurg and Emory ECMO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

InvoSurg ships an update every 10 months, Emory ECMO every 15 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | InvoSurg | Emory ECMO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (11 ratings)](https://appshunter.io/ios/app/invosurg/id1480250400/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 15 months |
| Monetization | Free | — |
| Size | 22 MB | 15 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Invosurg Inc.](https://appshunter.io/developer/1480250399) | [Emory University](https://appshunter.io/developer/387102326) |

## 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


### Emory ECMO

[App page](https://appshunter.io/ios/app/emory-ecmo/id1667321927)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InvoSurg free?

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

### Is Emory ECMO free?

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

### Do InvoSurg or Emory ECMO have ads?

Neither InvoSurg nor Emory ECMO shows ads.

### Which is updated more often, InvoSurg or Emory ECMO?

InvoSurg ships an update every 10 months, and Emory ECMO every 15 months. Most recently, InvoSurg was updated on September 9, 2026 and Emory ECMO on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*