ACHQC vs Behind the Knife
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACHQC
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.
- Pre-surgery preparation guide
- Post-surgery recovery exercises
- Hernia repair risk calculator
- Patient education
- Surgical outcome estimation
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A guide to help patients understand what to expect before and after hernia and abdominal surgery. Prepare for surgery and recovery with helpful stretches and exercises. The Oracle surgical calculator provides key estimated surgical outcome risks for patients undergoing ventral hernia repairs.
Behind the Knife
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.
- Surgical education platform
- High-yield educational topics
- Interviews with field leaders
- Timely and relevant content
- Engaging learning experience
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Behind the Knife is the world’s #1 surgical education platform. From high-yield educational topics to interviews with leaders in the field, Behind the Knife delivers the information you need to know. Enjoy timely, relevant, and engaging content designed to help you DOMINATE THE DAY!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ACHQC | Behind the Knife |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | 4.0 (20 ratings) |
| Positive reviews | 66.7% of reviews — better | 58.3% of reviews |
| Number of ratings | 6 | 20 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 25 MB | 168 MB |
| Age rating | 17+ | 17+ |
| Developer | Abdominal Core Health Quality Collaborative | Behind the Knife |
Customer experience
ACHQC
Behind the Knife
In-app purchases
ACHQC
No in-app purchases
Behind the Knife
No in-app purchases
