# CPR+AED Basics vs PacMeta Oxygen Saturation

The clearest difference is in-app purchases: PacMeta Oxygen Saturation at none against CPR+AED Basics's 1. PacMeta Oxygen Saturation also leads on device support (3 vs 1). CPR+AED Basics's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence and ads there is nothing between them.

Both are free to download. CPR+AED Basics sells 1 one-off in-app purchase. PacMeta Oxygen Saturation asks for nothing beyond the download.

CPR+AED Basics ships an update monthly, PacMeta Oxygen Saturation every 3 weeks. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CPR+AED Basics | PacMeta Oxygen Saturation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 318 MB | 364 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Attainment Company](https://appshunter.io/developer/403989333) | [Pacific Meta](https://appshunter.io/developer/1664400229) |

## What reviewers say

### CPR+AED Basics

[App page](https://appshunter.io/ios/app/cpr-plus-aed-basics/id6444503005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $99.99 | one-time |


### PacMeta Oxygen Saturation

[App page](https://appshunter.io/ios/app/pacmeta-oxygen-saturation/id6446399896)

**In-app purchases:** none


## Frequently asked questions

### Is CPR+AED Basics free?

CPR+AED Basics is free to download, with in-app purchases available.

### Is PacMeta Oxygen Saturation free?

PacMeta Oxygen Saturation is free to download, with no in-app purchases.

### Do CPR+AED Basics or PacMeta Oxygen Saturation have ads?

Neither CPR+AED Basics nor PacMeta Oxygen Saturation shows ads.

### Which is updated more often, CPR+AED Basics or PacMeta Oxygen Saturation?

CPR+AED Basics ships an update monthly, and PacMeta Oxygen Saturation every 3 weeks. Most recently, CPR+AED Basics was updated on October 3, 2026 and PacMeta Oxygen Saturation on October 11, 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.*