SIMPL vs Behind the Knife
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIMPL
This app facilitates workplace-based assessments for medical professionals, enabling the evaluation of entrustable professional activities within medical education settings.
- Workplace-based assessments
- Entrustable professional activities
- Medical education implementation
- Professional development tracking
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SIMPL: Society for Improving Medical Professional Learning makes it feasible to implement workplace-based assessments, including assessment of entrustable professional activities, across medical education.
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
SIMPL and Behind the Knife both sit at 4.1 stars, but that hides the real split: 58% of Behind the Knife's written reviews are positive against 40% of SIMPL's. SIMPL's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 4.1 for SIMPL against 4.0 for Behind the Knife. Both are backed by a comparable volume of ratings — 16 and 19 respectively. Written reviews are what separate them: 40% of SIMPL's written reviews are positive against 58% of Behind the Knife's.
SIMPL ships an update every 2 weeks, Behind the Knife every 5 weeks. The most recent releases landed on September 3, 2026 and September 19, 2026 respectively.
| Parameter | SIMPL | Behind the Knife |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (16 ratings) — better | 4.0 (19 ratings) |
| Positive reviews | 40.0% of reviews | 58.3% of reviews — better |
| Number of ratings | 16 | 19 — better |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 37 MB | 168 MB |
| Age rating | 4+ | 17+ |
| Developer | Procedural Learning and Safety Collaborative, Inc | Behind the Knife |
Customer experience
SIMPL
Behind the Knife
In-app purchases
SIMPL
No in-app purchases
Behind the Knife
No in-app purchases
