# ECG Buddy vs StudyCoorCalc

The clearest difference is update cadence: StudyCoorCalc at every 4 days against ECG Buddy's fortnightly. ECG Buddy's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ECG Buddy sells 2 in-app purchases, starting at $19.00 per month and StudyCoorCalc sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ECG Buddy ships an update fortnightly, StudyCoorCalc every 4 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ECG Buddy | StudyCoorCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecg-buddy/id1632339964/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [ARPI Inc](https://appshunter.io/developer/1586266208) | [Brent Bloomquist](https://appshunter.io/developer/1840528747) |

## What reviewers say

### ECG Buddy

[App page](https://appshunter.io/ios/app/ecg-buddy/id1632339964)

This AI-powered medical device analyzes ECGs for healthcare professionals, identifying 11 types of arrhythmias and 10 critical digital biomarkers. It supports analysis from various image sources and facilitates report sharing for emergency settings.

**Highlights:** AI-powered ECG/EKG analysis, 11 heart rhythm classifications, 10 critical digital biomarkers, Auto-region detection, Analysis from photos and paper records, Report sharing for medical teams

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan Monthly | $19.00 | per month |
| Pro Plan Annual | $190.00 | per year |


### StudyCoorCalc

[App page](https://appshunter.io/ios/app/studycoorcalc/id6752674254)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is ECG Buddy free?

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

### Is StudyCoorCalc free?

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

### Do ECG Buddy or StudyCoorCalc have ads?

Neither ECG Buddy nor StudyCoorCalc shows ads.

### Which is updated more often, ECG Buddy or StudyCoorCalc?

ECG Buddy ships an update fortnightly, and StudyCoorCalc every 4 days. Most recently, ECG Buddy was updated on October 14, 2026 and StudyCoorCalc on October 1, 2026.

---

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