# BoSTT vs ClinicalKey

The clearest difference is review sentiment: BoSTT at 100% against ClinicalKey's 9%. BoSTT also leads on monetization model (free vs subscription). ClinicalKey's advantage is update cadence (every 5 weeks vs every 7 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.

BoSTT ships an update every 7 months, ClinicalKey every 5 weeks. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BoSTT | ClinicalKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bostt/id995198514/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **100.0% of reviews** | 8.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | **Free** | Subscription |
| Size | 40 MB | 55 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Royal National Orthopaedic Hospital](https://appshunter.io/developer/995198513) | [Elsevier Inc.](https://appshunter.io/developer/367031326) |

## What reviewers say

### BoSTT

[App page](https://appshunter.io/ios/app/bostt/id995198514)

Access a comprehensive library of bone and soft tissue tumor case studies from leading experts. Explore clinical histories, radiology, pathology, diagnoses, and treatment plans. Ideal for healthcare professionals and medical students seeking to expand their knowledge in musculoskeletal oncology.

**Highlights:** Musculoskeletal tumor case studies, Clinical history details, High-resolution radiology and pathology images, Diagnosis and treatment information, Learning points for each case, Expert-provided content

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BoSTT free?

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

### Is ClinicalKey free?

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

### Do BoSTT or ClinicalKey have ads?

Neither BoSTT nor ClinicalKey shows ads.

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

BoSTT ships an update every 7 months, and ClinicalKey every 5 weeks. Most recently, BoSTT was updated on October 13, 2026 and ClinicalKey on October 16, 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.*