# Bates' Pocket Guide vs DDx

The clearest difference is device support: Bates' Pocket Guide at 4 against DDx's 2. Bates' Pocket Guide also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Bates' Pocket Guide sells 1 one-off in-app purchase and DDx sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Bates' Pocket Guide | DDx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (304 ratings)](https://appshunter.io/ios/app/bates-pocket-guide/id650795652/reviews)** | — |
| Number of ratings | **304** | — |
| Positive reviews | 40.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Medicon Apps](https://appshunter.io/developer/307829597) |

## What reviewers say

### Bates' Pocket Guide

[App page](https://appshunter.io/ios/app/bates-pocket-guide/id650795652)

This app provides essential information for obtaining health histories and conducting physical exams. It features step-by-step techniques, updated images, and differential diagnoses for quick and accurate interpretation of findings. Ideal for students and professionals needing a fast reference.

**Highlights:** Over 130 detailed topics, Step-by-step instructions, Updated photographs and illustrations, Two-column layout, New Algorithms for symptom approaches, Differential diagnoses, Highlighting and note-taking, Advanced search

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bates' Pocket Guide 9th ed. | $69.99 | one-time |

**What reviewers like**

- 👍 Reliable reference
- 🖼️ Helpful pictures for diagnosis
- 📚 Good for quick reference
- 💡 Easy to understand and logical format
- 🎯 Useful for clinicals and easy to maneuver

**What reviewers complain about**

- 💰 Overpriced app
- 🔄 Outdated software
- 🖱️ Not user-friendly navigation
- 💸 Repeated payments required
- ❌ Incorrect information/algorithms

**Reported bugs**

- Sectional information is wrong
- Topics do not correlate to information
- Asterisk information is incorrect
- App information needs updating and reviewing
- Software is glitchy

**Requested features**

- Update and review app information for accuracy
- Improve content layout and navigation
- Offer better preview options before purchase
- Provide discounts for existing textbook/resource owners
- Clarify product offerings to avoid buyer confusion


### DDx

[App page](https://appshunter.io/ios/app/ddx-differential-diagnosis/id6766528227)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DDx Pro | $9.99 | one-time |


## Frequently asked questions

### Is Bates' Pocket Guide free?

Bates' Pocket Guide is free to download, with in-app purchases available.

### Is DDx free?

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

### Do Bates' Pocket Guide or DDx have ads?

Neither Bates' Pocket Guide nor DDx shows ads.

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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.*