# ClinicalKey vs obwatch

The clearest difference is review sentiment: obwatch at 100% against ClinicalKey's 9%. obwatch also leads on monetization model (free vs subscription). ClinicalKey's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads, in-app purchases and device support 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, obwatch every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ClinicalKey | obwatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/obwatch/id6462654669/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 8.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Subscription | **Free** |
| Size | 68 MB | 31 MB |
| Requires iOS | 15.5 | **14** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | +12 | 12+ |
| Developer | [Elsevier Inc.](https://appshunter.io/developer/367031326) | [AtlasX Pty Ltd](https://appshunter.io/developer/1524737698) |

## 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


### obwatch

[App page](https://appshunter.io/ios/app/obwatch/id6462654669)

This app allows medical professionals to quickly document patient observations directly from their Apple Watch. It features a GCS calculator, event summaries, and customizable warning levels for vital signs. Data can be mirrored to an iPhone for easier review.

**Highlights:** Point-of-care observation documentation, GCS calculator, Trending observation summaries, Age-range specific warning levels, Adjustable timers for vital signs, Drug and treatment administration logging, iPhone mirroring for easy viewing

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ClinicalKey free?

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

### Is obwatch free?

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

### Do ClinicalKey or obwatch have ads?

Neither ClinicalKey nor obwatch shows ads.

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

ClinicalKey ships an update every 5 weeks, and obwatch every 3 months. Most recently, ClinicalKey was updated on October 29, 2026 and obwatch on October 24, 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.*