# The AASM Resource Library vs ez1020

The clearest difference is rating: ez1020 at 5.0 against The AASM Resource Library's 3.8. ez1020 also leads on update cadence (every 5 days vs every 10 months). The AASM Resource Library's advantage is ratings volume (4 vs 1) and iOS requirement (8.0 vs 13.4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ez1020 holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

The AASM Resource Library ships an update every 10 months, ez1020 every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The AASM Resource Library | ez1020 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/the-aasm-resource-library/id676226951/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ez1020/id6748396079/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 20 MB | 36 MB |
| Requires iOS | **8.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [American Academy of Sleep Medicine](https://appshunter.io/developer/476461157) | [Neuroscience Advisors LLC](https://appshunter.io/developer/1825616324) |

## What reviewers say

### The AASM Resource Library

[App page](https://appshunter.io/ios/app/the-aasm-resource-library/id676226951)

Access and read essential sleep medicine resources offline on your mobile device. This app syncs with your account to provide the latest publications from the American Academy of Sleep Medicine, including manuals, classifications, and guides.

**Highlights:** Offline access to resources, Syncs across devices, Search within references, Bookmark passages, Download supplementary materials

**Features:** macOS Compatibility

**In-app purchases:** none


### ez1020

[App page](https://appshunter.io/ios/app/ez1020/id6748396079)

This app assists neurodiagnostic technologists in accurately and quickly placing EEG electrodes according to the International 10–20 System. It calculates standardized positions using minimal head measurements, streamlining the workflow for both students and experienced professionals.

**Highlights:** Compliant with International 10–20 system, Precise electrode mapping from 3 measurements, Optimized for ez1020 Tape Measures, Intuitive interface for clinical speed, No PHI stored or transmitted

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The AASM Resource Library free?

The AASM Resource Library is free to download, with no in-app purchases.

### Is ez1020 free?

ez1020 is free to download, with no in-app purchases.

### Which has better reviews, The AASM Resource Library or ez1020?

ez1020 is rated higher. The AASM Resource Library averages 3.8 out of 5 from 4 ratings, while ez1020 averages 5.0 from 1 ratings.

### Do The AASM Resource Library or ez1020 have ads?

Neither The AASM Resource Library nor ez1020 shows ads.

### Which is updated more often, The AASM Resource Library or ez1020?

The AASM Resource Library ships an update every 10 months, and ez1020 every 5 days. Most recently, The AASM Resource Library was updated on October 23, 2026 and ez1020 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.*