# Bates' Pocket Guide vs PGxAI Andromeda

The clearest difference is update cadence: PGxAI Andromeda at weekly against Bates' Pocket Guide's every 11 months. Bates' Pocket Guide's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.1). 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 PGxAI Andromeda sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Bates' Pocket Guide ships an update every 11 months, PGxAI Andromeda weekly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Bates' Pocket Guide | PGxAI Andromeda |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 42 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Mikhail Zastrozhin](https://appshunter.io/developer/1861047873) |

## 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


### PGxAI Andromeda

[App page](https://appshunter.io/ios/app/pgxai-andromeda/id6756507996)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $19.99 | per month |
| Pro (Yearly) | $199.99 | per year |


## Frequently asked questions

### Is Bates' Pocket Guide free?

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

### Is PGxAI Andromeda free?

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

### Do Bates' Pocket Guide or PGxAI Andromeda have ads?

Neither Bates' Pocket Guide nor PGxAI Andromeda shows ads.

### Which is updated more often, Bates' Pocket Guide or PGxAI Andromeda?

Bates' Pocket Guide ships an update every 11 months, and PGxAI Andromeda weekly. Most recently, Bates' Pocket Guide was updated on October 29, 2026 and PGxAI Andromeda on October 28, 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.*