# PubMed PMC Bookshelf Search vs Radcalc Reference

The clearest difference is ads: Radcalc Reference at none against PubMed PMC Bookshelf Search's shown. Radcalc Reference also leads on iOS requirement (15.1 vs 26.0). On price, 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.

## The numbers

| Metric | PubMed PMC Bookshelf Search | Radcalc Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (181 ratings)](https://appshunter.io/ios/app/pubmed-pmc-bookshelf-search/id1523851247/reviews)** | — |
| Number of ratings | **181** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 21 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [Parikh Radiology, P.L.L.C.](https://appshunter.io/developer/6801351998) |

## What reviewers say

### PubMed PMC Bookshelf Search

[App page](https://appshunter.io/ios/app/pubmed-pmc-bookshelf-search/id1523851247)

Access a vast collection of biomedical and life science literature, including journal articles and book chapters. This app provides a simple interface to search and retrieve citations, often with links to full-text content from various sources.

**Highlights:** Biomedical literature search, Journal article citations, Book and chapter citations, Links to full-text content, MEDLINE database access, PubMed Central (PMC) access

**Features:** Vision Pro support

**In-app purchases:** none


### Radcalc Reference

[App page](https://appshunter.io/ios/app/radcalc-reference/id6805210963)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PubMed PMC Bookshelf Search free?

PubMed PMC Bookshelf Search is free to download, with no in-app purchases.

### Is Radcalc Reference free?

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

### Do PubMed PMC Bookshelf Search or Radcalc Reference have ads?

PubMed PMC Bookshelf Search shows ads; Radcalc Reference does not.

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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.*