# GasWork.com AA vs Coexisting Diseases & Surgery

The clearest difference is price: GasWork.com AA at Free against Coexisting Diseases & Surgery's $99.99. GasWork.com AA also leads on rating (5.0 vs 4.6) and update cadence (every 4 days vs monthly). Coexisting Diseases & Surgery's advantage is chart position (#104 vs unranked) and ratings volume (29 vs 8). On ads, in-app purchases and device support there is nothing between them.

GasWork.com AA is free to download; Coexisting Diseases & Surgery costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GasWork.com AA holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 8 and 29 respectively.

GasWork.com AA ships an update every 4 days, Coexisting Diseases & Surgery monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GasWork.com AA | Coexisting Diseases & Surgery |
| --- | --- | --- |
| Price | **Free** | $99.99 |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/gasworkcom-aa/id1439892338/reviews)** | [4.6 (29 ratings)](https://appshunter.io/ios/app/coexisting-diseases-and-surgery/id1543711877/reviews) |
| Number of ratings | 8 | **29** |
| Positive reviews | — | 84.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#104** |
| Size | 6 MB | 212 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [GasWork.com-Inc.](https://appshunter.io/developer/1161352848) | [Vargo Anesthesia Inc](https://appshunter.io/developer/441512939) |

## What reviewers say

### GasWork.com AA

[App page](https://appshunter.io/ios/app/gasworkcom-aa/id1439892338)

This app connects Anesthesiologist Assistants with job opportunities. It mirrors the website's listings, allowing users to view, mark as read, and save job posts. Users can also search by state or position duration and inquire about roles.

**Highlights:** View Anesthesiologist Assistant job opportunities, Mark jobs as read, Save job posts for later, Search jobs by state, Search jobs by position duration, Inquire about jobs via email or web

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

**In-app purchases:** none


### Coexisting Diseases & Surgery

[App page](https://appshunter.io/ios/app/coexisting-diseases-and-surgery/id1543711877)

**Currently charting:** #104 Top Paid · Medical (US App Store)

This medical reference app provides detailed information on common and rare diseases, including their description, etiology, diagnosis, treatment, and prognosis. It also offers guidance on managing surgical patients with coexisting conditions.

**Highlights:** Disease descriptions, Etiology and onset, Diagnosis and pathophysiology, Treatment and prognosis, Perioperative management, Disease-related surgical concerns

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

**In-app purchases:** none


## Frequently asked questions

### Is GasWork.com AA free?

GasWork.com AA is free to download, with no in-app purchases.

### Is Coexisting Diseases & Surgery free?

Coexisting Diseases & Surgery costs $99.99, with no in-app purchases.

### Which has better reviews, GasWork.com AA or Coexisting Diseases & Surgery?

GasWork.com AA is rated higher. GasWork.com AA averages 5.0 out of 5 from 8 ratings, while Coexisting Diseases & Surgery averages 4.6 from 29 ratings.

### Do GasWork.com AA or Coexisting Diseases & Surgery have ads?

Neither GasWork.com AA nor Coexisting Diseases & Surgery shows ads.

### Which is updated more often, GasWork.com AA or Coexisting Diseases & Surgery?

GasWork.com AA ships an update every 4 days, and Coexisting Diseases & Surgery monthly. Most recently, GasWork.com AA was updated on October 26, 2026 and Coexisting Diseases & Surgery on October 27, 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.*