# SSO Mobile vs Behind the Knife

SSO Mobile and Behind the Knife both sit at 4.0 stars, but that hides the real split: 58% of Behind the Knife's written reviews are positive against 0% of SSO Mobile's. Behind the Knife also leads on ratings volume (20 vs 2). SSO Mobile's advantage is iOS requirement (13.0 vs 15.0). On price, rating, update cadence 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 — 4.0 for SSO Mobile against 4.0 for Behind the Knife. 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. Written reviews are what separate them: 0% of SSO Mobile's written reviews are positive against 58% of Behind the Knife's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SSO Mobile | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/sso-mobile/id1549432896/reviews) | **[4.0 (20 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews)** |
| Number of ratings | 2 | **20** |
| Positive reviews | 0.0% of reviews | **58.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 37 MB | 168 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Society of Surgical Oncology](https://appshunter.io/developer/1485769031) | [Behind the Knife LLC](https://appshunter.io/developer/1672420051) |

## What reviewers say

### SSO Mobile

[App page](https://appshunter.io/ios/app/sso-mobile/id1549432896)

This app provides SSO members with access to surgical oncology resources, educational programs, and society news. Members can manage their profiles, view event details, and connect with peers. It's designed to support cancer surgeons in advancing their knowledge and practice.

**Highlights:** Membership profile management, Access to event information, ExpertEd@SSO educational programs, Surgical oncology job listings, Member networking, Access to guidelines and nomograms

**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:** High-yield educational topics, Interviews with leaders, Timely and relevant content, Engaging learning experience, Surgical education focus

**In-app purchases:** none


## Frequently asked questions

### Is SSO Mobile free?

SSO Mobile 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, SSO Mobile or Behind the Knife?

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

### Do SSO Mobile or Behind the Knife have ads?

Neither SSO Mobile nor Behind the Knife shows ads.

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

SSO Mobile ships an update monthly, and Behind the Knife monthly. Most recently, SSO Mobile was updated on November 3, 2026 and Behind the Knife on November 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.*