# OEI Sim vs VitalCore

The clearest difference is in-app purchases: OEI Sim at none against VitalCore's 1. OEI Sim also leads on ads (none vs shown) and ratings volume (4 vs 1). VitalCore's advantage is update cadence (every 2 days vs every 3 months) and device support (3 vs 1). On price, rating and iOS requirement there is nothing between them.

Both are free to download. VitalCore sells 1 one-off in-app purchase. OEI Sim asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OEI Sim against 5.0 for VitalCore. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

OEI Sim ships an update every 3 months, VitalCore every 2 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OEI Sim | VitalCore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/oei-sim/id1309239396/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/vitalcore/id6777268856/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 50 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Operative Experience Inc](https://appshunter.io/developer/1309239394) | [Abdulrazaq Alonazi](https://appshunter.io/developer/6777268858) |

## What reviewers say

### OEI Sim

[App page](https://appshunter.io/ios/app/oei-sim/id1309239396)

This application allows instructors to remotely control patient simulators, adjusting vital signs, sounds, and physiological responses. It supports various simulators for tactical casualty care and birthing scenarios, providing detailed simulation management.

**Highlights:** Control simulator temperature and blood pressure, Adjust chest compression and pulse points, Manage ECG rhythms and lung sounds, Control heart and airway sounds, Log simulation activity, Real-time self-diagnostics

**Features:** macOS Compatibility

**In-app purchases:** none


### VitalCore

[App page](https://appshunter.io/ios/app/vitalcore/id6777268856)

This educational simulator provides hands-on training for cardiac perfusion, cardiopulmonary bypass, and ECMO. It features interactive labs for hemodynamic monitoring, pharmacology, and device study, designed for students and instructors.

**Highlights:** Hemodynamic monitor simulator, CPB training simulator, ECMO mode simulator, Pharmacology study lab, ECMO Guide Book, Device study guides, Interactive clinical simulation lab

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is OEI Sim free?

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

### Is VitalCore free?

VitalCore is free to download, with in-app purchases available.

### Which has better reviews, OEI Sim or VitalCore?

OEI Sim and VitalCore are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do OEI Sim or VitalCore have ads?

VitalCore shows ads; OEI Sim does not.

### Which is updated more often, OEI Sim or VitalCore?

OEI Sim ships an update every 3 months, and VitalCore every 2 days. Most recently, OEI Sim was updated on November 4, 2026 and VitalCore on October 31, 2026.

---

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