# ACHQC vs Behind the Knife

The clearest difference is update cadence: Behind the Knife at monthly against ACHQC's every 5 months. Behind the Knife also leads on ratings volume (20 vs 6). ACHQC's advantage is rating (4.3 vs 4.0) and review sentiment (67% vs 58%). 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.

ACHQC holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 6 and 20 respectively. Written reviews point the same way: 67% of ACHQC's written reviews are positive against 58% of Behind the Knife's.

ACHQC ships an update every 5 months, Behind the Knife monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ACHQC | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/achqc/id1482581254/reviews)** | [4.0 (20 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews) |
| Number of ratings | 6 | **20** |
| Positive reviews | **66.7% of reviews** | 58.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 25 MB | 168 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Abdominal Core Health Quality Collaborative](https://appshunter.io/developer/1482581253) | [Behind the Knife](https://appshunter.io/developer/1672420051) |

## What reviewers say

### ACHQC

[App page](https://appshunter.io/ios/app/achqc/id1482581254)

This medical app guides patients through hernia and abdominal surgery preparation and recovery. It offers helpful stretches and exercises, and includes a surgical calculator for estimated outcome risks.

**Highlights:** Pre-surgery preparation guide, Post-surgery recovery exercises, Hernia repair risk calculator, Patient education, Surgical outcome estimation

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

**In-app purchases:** none


### Behind the Knife

[App page](https://appshunter.io/ios/app/behind-the-knife/id1672420049)

This platform offers surgical education with high-yield topics and interviews with field leaders. It provides timely, relevant, and engaging content to help users succeed in their medical studies and careers.

**Highlights:** Surgical education platform, High-yield educational topics, Interviews with field leaders, Timely and relevant content, Engaging learning experience

**In-app purchases:** none


## Frequently asked questions

### Is ACHQC free?

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

### Is Behind the Knife free?

Behind the Knife is free to download, with no in-app purchases.

### Which has better reviews, ACHQC or Behind the Knife?

ACHQC is rated higher. ACHQC averages 4.3 out of 5 from 6 ratings, while Behind the Knife averages 4.0 from 20 ratings.

### Do ACHQC or Behind the Knife have ads?

Neither ACHQC nor Behind the Knife shows ads.

### Which is updated more often, ACHQC or Behind the Knife?

ACHQC ships an update every 5 months, and Behind the Knife monthly. Most recently, ACHQC was updated on October 24, 2026 and Behind the Knife on October 25, 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.*