# Case Files Surgery vs AirCom SIM

The clearest difference is in-app purchases: AirCom SIM at none against Case Files Surgery's 8. AirCom SIM also leads on update cadence (every 2 months vs every 17 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Case Files Surgery sells 8 in-app purchases, starting at $7.99 per 7 days. AirCom SIM asks for nothing beyond the download.

Case Files Surgery ships an update every 17 months, AirCom SIM every 2 months. The most recent releases landed on September 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Case Files Surgery | AirCom SIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/case-files-surgery/id1172654104/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 12 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Softtech, Incorporated.](https://appshunter.io/developer/994593098) |

## What reviewers say

### Case Files Surgery

[App page](https://appshunter.io/ios/app/case-files-surgery/id1172654104)

Prepare for surgery exams with high-yield clinical cases designed for rapid learning. This app guides you through diagnosis and management, helping you think like a clinician under pressure. Master essential concepts for USMLE and shelf exams with step-by-step reasoning and key takeaways.

**Highlights:** 58 high-yield clinical cases, Step-by-step clinical reasoning, Key takeaways and rapid review, Designed for fast retention, Seamless progress tracking, Case-based review

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| Weekly | $11.99 | per 7 days |
| 1 Month | $14.99 | per month |
| Monthly | $19.99 | per month |
| 1 Year | $89.99 | per year |
| Lifetime Access | $24.99 | one-time |
| Case Files Surgery 6e | $39.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### AirCom SIM

[App page](https://appshunter.io/ios/app/aircom-sim/id1588254186)

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

**In-app purchases:** none


## Frequently asked questions

### Is Case Files Surgery free?

Case Files Surgery is free to download, with in-app purchases available.

### Is AirCom SIM free?

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

### Do Case Files Surgery or AirCom SIM have ads?

Neither Case Files Surgery nor AirCom SIM shows ads.

### Which is updated more often, Case Files Surgery or AirCom SIM?

Case Files Surgery ships an update every 17 months, and AirCom SIM every 2 months. Most recently, Case Files Surgery was updated on September 20, 2026 and AirCom SIM on October 18, 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.*