# Ether vs Clinical Anesthesiology, 7/E

The clearest difference is price: Ether at Free against Clinical Anesthesiology, 7/E's $79.99. Ether also leads on update cadence (every 6 weeks vs every 16 months). Clinical Anesthesiology, 7/E's advantage is iOS requirement (10.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Ether is free to download; Clinical Anesthesiology, 7/E costs $79.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ether ships an update every 6 weeks, Clinical Anesthesiology, 7/E every 16 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ether | Clinical Anesthesiology, 7/E |
| --- | --- | --- |
| Price | **Free** | $79.99 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 16 months |
| Monetization | Free | — |
| Size | 4 MB | 170 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Stanford Anesthesia Informatics And Media Lab](https://appshunter.io/developer/360941478) | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) |

## What reviewers say

### Ether

[App page](https://appshunter.io/ios/app/ether/id360941475)

This medical app provides anesthesiologists with easy access to essential practice information. It offers features like telephone directories and physician contact information, with some content restricted to authenticated Stanford affiliates.

**Highlights:** Anesthesiology practice information, Stanford clinical facility directories, Physician contact information, Built-in text paging, Access for Stanford affiliates

**Features:** macOS Compatibility

**In-app purchases:** none


### Clinical Anesthesiology, 7/E

[App page](https://appshunter.io/ios/app/clinical-anesthesiology-7e/id6444293315)

**In-app purchases:** none


## Frequently asked questions

### Is Ether free?

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

### Is Clinical Anesthesiology, 7/E free?

Clinical Anesthesiology, 7/E costs $79.99, with no in-app purchases.

### Do Ether or Clinical Anesthesiology, 7/E have ads?

Neither Ether nor Clinical Anesthesiology, 7/E shows ads.

### Which is updated more often, Ether or Clinical Anesthesiology, 7/E?

Ether ships an update every 6 weeks, and Clinical Anesthesiology, 7/E every 16 months. Most recently, Ether was updated on October 3, 2026 and Clinical Anesthesiology, 7/E on October 8, 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.*