# Guide to Diagnostic Tests vs Laboratory Diagnostic Test

The clearest difference is in-app purchases: Laboratory Diagnostic Test at none against Guide to Diagnostic Tests's 1. Guide to Diagnostic Tests's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Guide to Diagnostic Tests sells 1 one-off in-app purchase. Laboratory Diagnostic Test asks for nothing beyond the download.

Guide to Diagnostic Tests ships an update every 9 months, Laboratory Diagnostic Test every 5 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Guide to Diagnostic Tests | Laboratory Diagnostic Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (35 ratings)](https://appshunter.io/ios/app/guide-to-diagnostic-tests/id910130424/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 6 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Ahmad Al Hariri](https://appshunter.io/developer/1648019898) |

## 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 |


### Laboratory Diagnostic Test

[App page](https://appshunter.io/ios/app/laboratory-diagnostic-test/id6737160954)

**In-app purchases:** none


## Frequently asked questions

### Is Guide to Diagnostic Tests free?

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

### Is Laboratory Diagnostic Test free?

Laboratory Diagnostic Test is free to download, with no in-app purchases.

### Do Guide to Diagnostic Tests or Laboratory Diagnostic Test have ads?

Laboratory Diagnostic Test shows ads; Guide to Diagnostic Tests does not.

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

Guide to Diagnostic Tests ships an update every 9 months, and Laboratory Diagnostic Test every 5 months. Most recently, Guide to Diagnostic Tests was updated on October 27, 2026 and Laboratory Diagnostic Test on October 19, 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.*