# SIMPL OR vs Behind the Knife

The clearest difference is rating: Behind the Knife at 4.0 against SIMPL OR's 3.5. Behind the Knife also leads on ads (none vs shown) and monetization model (free vs ad-supported). SIMPL OR's advantage is iOS requirement (10.0 vs 15.0). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Behind the Knife holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 12 and 19 respectively. Written reviews point the same way: 50% of SIMPL OR's written reviews are positive against 58% of Behind the Knife's.

SIMPL OR ships an update every 2 months, Behind the Knife every 5 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SIMPL OR | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (12 ratings)](https://appshunter.io/ios/app/simpl-or/id970265411/reviews) | **[4.0 (19 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews)** |
| Number of ratings | 12 | **19** |
| Positive reviews | 50.0% of reviews | **58.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 21 MB | 168 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 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 OR

[App page](https://appshunter.io/ios/app/simpl-or/id970265411)

This app helps medical professionals evaluate residents after procedures. It collects feedback and aggregates data for faculty to track resident experience and tailor supervision. The system is designed for efficiency and provides meaningful evaluation insights.

**Highlights:** Procedure evaluation for residents, Formative feedback dictation, Aggregated resident experience data, Faculty access to evaluation data, Individualized teaching and supervision insights

**Features:** macOS Compatibility

**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 OR free?

SIMPL OR 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 or Behind the Knife?

Behind the Knife is rated higher. SIMPL OR averages 3.5 out of 5 from 12 ratings, while Behind the Knife averages 4.0 from 19 ratings.

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

SIMPL OR shows ads; Behind the Knife does not.

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

SIMPL OR ships an update every 2 months, and Behind the Knife every 5 weeks. Most recently, SIMPL OR was updated on October 2, 2026 and Behind the Knife on October 7, 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.*