# ECG Stampede vs CATALYST for Learning

The clearest difference is update cadence: ECG Stampede at every 3 months against CATALYST for Learning's every 48 months. CATALYST for Learning's advantage is iOS requirement (10.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

ECG Stampede ships an update every 3 months, CATALYST for Learning every 48 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ECG Stampede | CATALYST for Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/ecg-stampede/id1447062803/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 48 months |
| Monetization | Free | — |
| Size | 55 MB | 4 MB |
| Requires iOS | 16.4 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Tom Fadial](https://appshunter.io/developer/1316852248) | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) |

## What reviewers say

### ECG Stampede

[App page](https://appshunter.io/ios/app/ecg-stampede/id1447062803)

This educational game challenges you to interpret ECGs in a fast-paced Wild West hospital setting. Triage patients by assessing their ECG acuity and assigning them to appropriate care levels, from routine waiting room status to immediate cath lab activation. Multiple game modes offer varied challenges for learning and practice.

**Highlights:** ECG interpretation and triage, Wild West hospital setting, Assess patient acuity, Assign care levels, Stampede, Quiz, and Random modes

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

**In-app purchases:** none


### CATALYST for Learning

[App page](https://appshunter.io/ios/app/catalyst-for-learning/id1469065092)

**In-app purchases:** none


## Frequently asked questions

### Is ECG Stampede free?

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

### Is CATALYST for Learning free?

CATALYST for Learning is free to download, with no in-app purchases.

### Do ECG Stampede or CATALYST for Learning have ads?

Neither ECG Stampede nor CATALYST for Learning shows ads.

### Which is updated more often, ECG Stampede or CATALYST for Learning?

ECG Stampede ships an update every 3 months, and CATALYST for Learning every 48 months. Most recently, ECG Stampede was updated on October 24, 2026 and CATALYST for Learning on October 7, 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.*