# SIMPL vs Behind the Knife

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.

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.

## The numbers

| Metric | SIMPL | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (16 ratings)](https://appshunter.io/ios/app/simpl/id1660627978/reviews)** | [4.0 (19 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews) |
| Number of ratings | 16 | **19** |
| Positive reviews | 40.0% of reviews | **58.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 37 MB | 168 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Procedural Learning and Safety Collaborative, Inc](https://appshunter.io/developer/970265410) | [Behind the Knife](https://appshunter.io/developer/1672420051) |

## What reviewers say

### SIMPL

[App page](https://appshunter.io/ios/app/simpl/id1660627978)

This app facilitates workplace-based assessments for medical professionals, enabling the evaluation of entrustable professional activities within medical education settings.

**Highlights:** Workplace-based assessments, Entrustable professional activities, Medical education implementation, Professional development tracking

**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 SIMPL free?

SIMPL 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, SIMPL or Behind the Knife?

SIMPL is rated higher. SIMPL averages 4.1 out of 5 from 16 ratings, while Behind the Knife averages 4.0 from 19 ratings.

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

Neither SIMPL nor Behind the Knife shows ads.

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

SIMPL ships an update every 2 weeks, and Behind the Knife every 5 weeks. Most recently, SIMPL was updated on September 3, 2026 and Behind the Knife on September 19, 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.*