# ACP Audio vs Oakstone CMEssentials

The clearest difference is update cadence: Oakstone CMEssentials at every 2 months against ACP Audio's every 4 months. 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.

ACP Audio ships an update every 4 months, Oakstone CMEssentials every 2 months. The most recent releases landed on July 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ACP Audio | Oakstone CMEssentials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/acp-audio/id6463427749/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Subscription | — |
| Size | 105 MB | 82 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [American College of Physicians](https://appshunter.io/developer/371090673) | [Oakstone Publishing, LLC](https://appshunter.io/developer/619447897) |

## What reviewers say

### ACP Audio

[App page](https://appshunter.io/ios/app/acp-audio/id6463427749)

Access hundreds of hours of medical education content, including clinical lectures and Q&A sessions from national experts. Listen to audio tracks and playlists on various medical topics, create custom playlists, and download content for offline listening.

**Highlights:** Audio versions of ACP educational products, Hundreds of hours of medical content, Clinical lectures and Q&A, Listen to tracks and playlists, Download tracks for offline listening, Create favorite track lists

**Features:** macOS Compatibility

**In-app purchases:** none


### Oakstone CMEssentials

[App page](https://appshunter.io/ios/app/oakstone-cmessentials/id6747255138)

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

**In-app purchases:** none


## Frequently asked questions

### Is ACP Audio free?

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

### Is Oakstone CMEssentials free?

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

### Do ACP Audio or Oakstone CMEssentials have ads?

Neither ACP Audio nor Oakstone CMEssentials shows ads.

### Which is updated more often, ACP Audio or Oakstone CMEssentials?

ACP Audio ships an update every 4 months, and Oakstone CMEssentials every 2 months. Most recently, ACP Audio was updated on July 17, 2026 and Oakstone CMEssentials on September 22, 2026.

---

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