# CeDAR vs Behind the Knife

The clearest difference is rating: CeDAR at 5.0 against Behind the Knife's 4.0. CeDAR also leads on iOS requirement (8.0 vs 15.0). Behind the Knife's advantage is update cadence (monthly vs every 18 months) and ratings volume (20 vs 2). 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.

CeDAR holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Behind the Knife has 20 ratings behind it against 2, so its average is the more settled of the two.

CeDAR ships an update every 18 months, Behind the Knife monthly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CeDAR | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cedar-ventral-hernia/id830530974/reviews)** | [4.0 (20 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews) |
| Number of ratings | 2 | **20** |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Monetization | Free | Free |
| Size | 37 MB | 168 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Carolinas Surgical Innovation Group, LLC](https://appshunter.io/developer/566313835) | [Behind the Knife](https://appshunter.io/developer/1672420051) |

## What reviewers say

### CeDAR

[App page](https://appshunter.io/ios/app/cedar-ventral-hernia/id830530974)

This app helps predict the risk and financial impact of wound complications after ventral hernia repair. It uses a mathematical equation based on patient health status to offer individualized outcomes and educational materials about hernias and treatments.

**Highlights:** Predicts postoperative wound complication risks, Estimates financial impact of complications, Provides individualized patient outcomes, Offers educational materials on hernias, Calculates risk based on user-answered questions

**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 CeDAR free?

CeDAR 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, CeDAR or Behind the Knife?

CeDAR is rated higher. CeDAR averages 5.0 out of 5 from 2 ratings, while Behind the Knife averages 4.0 from 20 ratings.

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

Neither CeDAR nor Behind the Knife shows ads.

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

CeDAR ships an update every 18 months, and Behind the Knife monthly. Most recently, CeDAR was updated on October 12, 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.*