# ClinicalKey vs MedSynapse

The clearest difference is review sentiment: MedSynapse at 67% against ClinicalKey's 9%. MedSynapse also leads on monetization model (free vs subscription). On price, update cadence, ads 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.

ClinicalKey ships an update every 5 weeks, MedSynapse every 2 months. The most recent releases landed on October 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ClinicalKey | MedSynapse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (76 ratings)](https://appshunter.io/ios/app/medsynapse/id1554232596/reviews)** |
| Number of ratings | — | **76** |
| Positive reviews | 8.8% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 55 MB | 67 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Elsevier Inc.](https://appshunter.io/developer/367031326) | [MedSynapse](https://appshunter.io/developer/1554232598) |

## What reviewers say

### ClinicalKey

[App page](https://appshunter.io/ios/app/clinicalkey/id1041998175)

This app provides medical professionals with instant access to a vast library of clinical knowledge, including synoptic content and in-depth reference materials. It helps users stay updated on medical advancements, confirm diagnoses, and advance their research skills, all while offering CME/MOC/CE credits.

**Highlights:** Access to 30+ medical specialties, Synoptic content for quick answers, Full-text reference books and journals, Mobile-optimized medical calculators, Earn CME/MOC/CE credits, Intuitive search functionality

**In-app purchases:** none

**What reviewers like**

- 📚 High-quality, evidence-based clinical content
- 🎯 Intuitive interface and quick reference format
- 🔍 Similar functionality to website version
- 👍 Browse feature restoration appreciated by users

**What reviewers complain about**

- 🔓 Constant forced logout issues
- 🔐 Institutional login authentication failures
- ⏳ App freezes and perpetual loading screens
- 🚫 Missing textbook access in app vs website
- 📵 Frequent crashes and force closures

**Reported bugs**

- App stuck on loading screen after initial login
- Forced logout when closing or minimizing app
- Institutional login not working despite web access
- App crashes during search queries
- OpenAthens authentication failures

**Requested features**

- PDF download capability within the app
- Favorite/bookmark textbooks and articles
- Landscape mode support for iPad
- Find-on-page text search function
- Automatic session persistence and page memory


### MedSynapse

[App page](https://appshunter.io/ios/app/medsynapse/id1554232596)

Access the latest medical updates and engage in clinical discussions relevant to your specialty. This app offers online webinars and CME/CEU courses for convenient professional development. Connect, collaborate, and communicate with peers through a single mobile platform.

**Highlights:** Latest medical updates, Clinical discussions, Online webinars, CME/CEU courses, Connect with peers, Collaborate and communicate

**In-app purchases:** none


## Frequently asked questions

### Is ClinicalKey free?

ClinicalKey is free to download, with no in-app purchases.

### Is MedSynapse free?

MedSynapse is free to download, with no in-app purchases.

### Do ClinicalKey or MedSynapse have ads?

Neither ClinicalKey nor MedSynapse shows ads.

### Which is updated more often, ClinicalKey or MedSynapse?

ClinicalKey ships an update every 5 weeks, and MedSynapse every 2 months. Most recently, ClinicalKey was updated on October 16, 2026 and MedSynapse on September 26, 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.*