# APAPP ACE vs AASM Link

The clearest difference is in-app purchases: APAPP ACE at none against AASM Link's 4. APAPP ACE also leads on update cadence (every 4 days vs every 10 days) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. AASM Link sells 2 in-app purchases, starting at $17.49 per month. APAPP ACE asks for nothing beyond the download.

APAPP ACE ships an update every 4 days, AASM Link every 10 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | APAPP ACE | AASM Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/aasm-link/id6745556028/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 167 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Focus Medical Communications, LLC](https://appshunter.io/developer/1744148484) | [American Academy of Sleep Medicine](https://appshunter.io/developer/476461157) |

## What reviewers say

### APAPP ACE

[App page](https://appshunter.io/ios/app/apapp-ace/id6502762731)

**Features:** macOS Compatibility

**In-app purchases:** none


### AASM Link

[App page](https://appshunter.io/ios/app/aasm-link/id6745556028)

This AI-powered medical tool provides sleep medicine professionals with instant access to clinical guidelines, standards of care, and quality measures. It features AI-enhanced search, study tools for board exams, and automatic updates for new or revised standards. Expert-curated reading lists are also available to tailor content to specific clinical interests.

**Highlights:** AI-enhanced guideline search, Board examination study tools, Automatic updates for standards, Expert-curated reading lists, Access to clinical practice guidelines, Quality measure information

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Member Sub - Monthly | $17.49 | per month |
| Non-Member Sub - Monthly | $24.99 | per month |


## Frequently asked questions

### Is APAPP ACE free?

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

### Is AASM Link free?

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

### Do APAPP ACE or AASM Link have ads?

Neither APAPP ACE nor AASM Link shows ads.

### Which is updated more often, APAPP ACE or AASM Link?

APAPP ACE ships an update every 4 days, and AASM Link every 10 days. Most recently, APAPP ACE was updated on October 9, 2026 and AASM Link on October 9, 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.*