# Clinical Genomics Guide vs PDB Viewer

The clearest difference is in-app purchases: Clinical Genomics Guide at none against PDB Viewer's 1. Clinical Genomics Guide also leads on iOS requirement (8.0 vs 16.0). PDB Viewer's advantage is update cadence (monthly vs every 40 months). On price, ads and device support there is nothing between them.

Both are free to download. PDB Viewer sells 1 one-off in-app purchase. Clinical Genomics Guide asks for nothing beyond the download.

Clinical Genomics Guide ships an update every 40 months, PDB Viewer monthly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Clinical Genomics Guide | PDB Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Monthly** |
| Monetization | Free | — |
| Size | 54 MB | 2 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Edward Tobias](https://appshunter.io/developer/921831207) | [Qvyshift LLC](https://appshunter.io/developer/1536442361) |

## What reviewers say

### Clinical Genomics Guide

[App page](https://appshunter.io/ios/app/clinical-genomics-guide/id998171789)

This free educational app offers concise explanations of common terms in clinical genomics. It's designed to assist students and professionals, complementing lectures, textbooks, and educational websites.

**Highlights:** Explanations of clinical genomics terms, Covers terms like FASTQ, VCF, BED files, Supports students and professionals, Complements lectures and textbooks, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### PDB Viewer

[App page](https://appshunter.io/ios/app/pdb-viewer-3d-molecules/id6777468488)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDB Viewer Pro | $9.99 | one-time |


## Frequently asked questions

### Is Clinical Genomics Guide free?

Clinical Genomics Guide is free to download, with no in-app purchases.

### Is PDB Viewer free?

PDB Viewer is free to download, with in-app purchases available.

### Do Clinical Genomics Guide or PDB Viewer have ads?

Neither Clinical Genomics Guide nor PDB Viewer shows ads.

### Which is updated more often, Clinical Genomics Guide or PDB Viewer?

Clinical Genomics Guide ships an update every 40 months, and PDB Viewer monthly. Most recently, Clinical Genomics Guide was updated on November 1, 2026 and PDB Viewer on October 31, 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.*