# Guide to Diagnostic Tests vs docLogica

Guide to Diagnostic Tests and docLogica both sit at 4.6 stars, but that hides the real split: 80% of docLogica's written reviews are positive against 0% of Guide to Diagnostic Tests's. docLogica also leads on update cadence (every 2 weeks vs every 9 months) and iOS requirement (13.4 vs 15.0). Guide to Diagnostic Tests's advantage is ads (none vs shown). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Guide to Diagnostic Tests sells 1 one-off in-app purchase and docLogica sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Guide to Diagnostic Tests against 4.5 for docLogica. Both are backed by a comparable volume of ratings — 35 and 32 respectively. Written reviews are what separate them: 0% of Guide to Diagnostic Tests's written reviews are positive against 80% of docLogica's.

Guide to Diagnostic Tests ships an update every 9 months, docLogica every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Guide to Diagnostic Tests | docLogica |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (35 ratings)](https://appshunter.io/ios/app/guide-to-diagnostic-tests/id910130424/reviews)** | [4.5 (32 ratings)](https://appshunter.io/ios/app/doclogica/id1363604747/reviews) |
| Number of ratings | **35** | 32 |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 19 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Michael Garfinkle](https://appshunter.io/developer/943680507) |

## What reviewers say

### Guide to Diagnostic Tests

[App page](https://appshunter.io/ios/app/guide-to-diagnostic-tests/id910130424)

Access evidence-based information on over 450 diagnostic tests, including lab work, imaging, and therapeutic monitoring. This resource helps healthcare professionals quickly find answers to common questions about test selection, interpretation, and patient preparation.

**Highlights:** 450+ diagnostic tests, Evidence-based recommendations, Algorithms, tables, and charts, PubMed links, Custom notes and highlighting, Full-text search, Favorites for bookmarking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Guide to Diagnostic Tests | $54.99 | one-time |


### docLogica

[App page](https://appshunter.io/ios/app/doclogica/id1363604747)

A comprehensive, searchable medical database for healthcare professionals. Access detailed disease information, diagnostic test accuracies, and a powerful differential diagnosis generator at the point of care.

**Highlights:** 1700+ diseases with symptoms and incidence, 1200+ diagnostic test accuracies, Powerful differential diagnosis generator, Disease probabilities from real population data, Point-of-care information access

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Guide to Diagnostic Tests free?

Guide to Diagnostic Tests is free to download, with in-app purchases available.

### Is docLogica free?

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

### Which has better reviews, Guide to Diagnostic Tests or docLogica?

Guide to Diagnostic Tests is rated higher. Guide to Diagnostic Tests averages 4.6 out of 5 from 35 ratings, while docLogica averages 4.5 from 32 ratings.

### Do Guide to Diagnostic Tests or docLogica have ads?

docLogica shows ads; Guide to Diagnostic Tests does not.

### Which is updated more often, Guide to Diagnostic Tests or docLogica?

Guide to Diagnostic Tests ships an update every 9 months, and docLogica every 2 weeks. Most recently, Guide to Diagnostic Tests was updated on October 24, 2026 and docLogica on October 24, 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.*