# SubtleSTEMI vs PED

The clearest difference is rating: PED at 4.9 against SubtleSTEMI's 4.2. SubtleSTEMI's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. PED sells 3 in-app purchases, starting at $5.99 per 3 months. SubtleSTEMI asks for nothing beyond the download.

PED holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 9 and 7 respectively.

SubtleSTEMI ships an update every 8 months, PED every 10 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SubtleSTEMI | PED |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (9 ratings)](https://appshunter.io/ios/app/subtlestemi/id617146818/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/ped-er/id1568969247/reviews)** |
| Number of ratings | **9** | 7 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 10 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 49 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mark Newcomb](https://appshunter.io/developer/617146821) | [Tsai Newcomb Technology LLC](https://appshunter.io/developer/1568969249) |

## What reviewers say

### SubtleSTEMI

[App page](https://appshunter.io/ios/app/subtlestemi/id617146818)

This medical app calculates the formula from a specific research paper to help differentiate early repolarization from subtle anterior ST-segment elevation myocardial infarction. It provides a tool for medical professionals to aid in diagnosis.

**Highlights:** ECG formula implementation, Differentiates early repolarization, Identifies subtle anterior ST-segment elevation myocardial infarction, Diagnostic aid for medical professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### PED

[App page](https://appshunter.io/ios/app/ped-er/id1568969247)

This medical app provides critical pediatric dosing information for over 170 drugs and infusions, along with vital sign references and calculators. It's designed for emergency medical professionals to quickly access essential data for small patients.

**Highlights:** Pediatric drug dosing information, Over 170 common drugs and infusions, Weight-based vital sign ranges, Medication infusion calculations, Medical and trauma references, Clinical decision support calculators

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month Subscription | $5.99 | per 3 months |
| 6 Month Subscription | $10.99 | per 6 months |
| One Year Subscription | $19.99 | per year |


## Frequently asked questions

### Is SubtleSTEMI free?

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

### Is PED free?

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

### Which has better reviews, SubtleSTEMI or PED?

PED is rated higher. SubtleSTEMI averages 4.2 out of 5 from 9 ratings, while PED averages 4.9 from 7 ratings.

### Do SubtleSTEMI or PED have ads?

Neither SubtleSTEMI nor PED shows ads.

### Which is updated more often, SubtleSTEMI or PED?

SubtleSTEMI ships an update every 8 months, and PED every 10 months. Most recently, SubtleSTEMI was updated on October 23, 2026 and PED on October 24, 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.*