# Guide to Diagnostic Tests vs Guide to Diagnostic Tests 7ed

The clearest difference is rating: Guide to Diagnostic Tests at 4.5 against Guide to Diagnostic Tests 7ed's 1.5. Guide to Diagnostic Tests also leads on ads (none vs shown) and ratings volume (36 vs 2). Guide to Diagnostic Tests 7ed's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence 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 Guide to Diagnostic Tests 7ed sells 5 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Guide to Diagnostic Tests holds the better App Store score, 4.5 against 1.5. That said, the two scores are not equally well evidenced: Guide to Diagnostic Tests has 36 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Guide to Diagnostic Tests ships an update every 9 months, Guide to Diagnostic Tests 7ed every 13 months. The most recent releases landed on November 8, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Guide to Diagnostic Tests | Guide to Diagnostic Tests 7ed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (36 ratings)](https://appshunter.io/ios/app/guide-to-diagnostic-tests/id910130424/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/guide-to-diagnostic-tests-7ed/id1357565443/reviews) |
| Number of ratings | **36** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 months** | Every 13 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 47 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## 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 |


### Guide to Diagnostic Tests 7ed

[App page](https://appshunter.io/ios/app/guide-to-diagnostic-tests-7ed/id1357565443)

This medical app provides essential guidance on over 450 diagnostic tests, including the latest molecular and genetic advancements. It covers various medical specialties and offers diagnostic algorithms, cost details, and literature citations. A subscription unlocks full content and updates.

**Highlights:** Covers 450+ diagnostic tests, Includes molecular and genetic tests, Diagnostic algorithms, Cost and risk details, Literature citations with PMID, Covers multiple medical specialties

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25% off for Limited Period | $29.99 | per year |
| 20% off for Limited Period | $31.99 | per year |
| 15% off for Limited Offer | $33.99 | per year |
| Guide-Diagnostic Tests 1/Y Sub | $39.99 | per year |
| Guide to Diagnostic Tests 7ed | $39.99 | one-time |


## Frequently asked questions

### Is Guide to Diagnostic Tests free?

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

### Is Guide to Diagnostic Tests 7ed free?

Guide to Diagnostic Tests 7ed is free to download, with in-app purchases available.

### Which has better reviews, Guide to Diagnostic Tests or Guide to Diagnostic Tests 7ed?

Guide to Diagnostic Tests is rated higher. Guide to Diagnostic Tests averages 4.5 out of 5 from 36 ratings, while Guide to Diagnostic Tests 7ed averages 1.5 from 2 ratings.

### Do Guide to Diagnostic Tests or Guide to Diagnostic Tests 7ed have ads?

Guide to Diagnostic Tests 7ed shows ads; Guide to Diagnostic Tests does not.

### Which is updated more often, Guide to Diagnostic Tests or Guide to Diagnostic Tests 7ed?

Guide to Diagnostic Tests ships an update every 9 months, and Guide to Diagnostic Tests 7ed every 13 months. Most recently, Guide to Diagnostic Tests was updated on November 8, 2026 and Guide to Diagnostic Tests 7ed on November 2, 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.*