# OAPPC vs enGuardia

The clearest difference is in-app purchases: OAPPC at none against enGuardia's 5. OAPPC also leads on iOS requirement (7.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. enGuardia sells 4 one-off in-app purchases. OAPPC asks for nothing beyond the download.

OAPPC ships an update every 2 months, enGuardia every 4 months. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OAPPC | enGuardia |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 45.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 106 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FUNDACION CASA DEL CORAZON](https://appshunter.io/developer/927387580) | [iDoctus](https://appshunter.io/developer/530457103) |

## What reviewers say

### OAPPC

[App page](https://appshunter.io/ios/app/oappc/id927387581)

**Features:** macOS Compatibility

**In-app purchases:** none


### enGuardia

[App page](https://appshunter.io/ios/app/enguardia/id1055692600)

This medical app provides clinical doctors with essential diagnostic and treatment information, especially for urgent situations. It features differential diagnoses, pathologies, interactive algorithms, and urgent care tools, developed with a leading medical society.

**Highlights:** Differential diagnosis information, Pathology topics, Interactive diagnostic algorithms, Urgent care tools, Integrated navigation with iDoctus, Intuitive design for quick access

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 mes | $3.99 | one-time |
| 6 meses | $15.99 | one-time |
| 1 año | $26.99 | one-time |
| 1 año | $29.99 | one-time |


## Frequently asked questions

### Is OAPPC free?

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

### Is enGuardia free?

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

### Do OAPPC or enGuardia have ads?

Neither OAPPC nor enGuardia shows ads.

### Which is updated more often, OAPPC or enGuardia?

OAPPC ships an update every 2 months, and enGuardia every 4 months. Most recently, OAPPC was updated on October 13, 2026 and enGuardia on October 5, 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.*