# Guide to Diagnostic Tests vs Trayce Scan

The clearest difference is in-app purchases: Trayce Scan at none against Guide to Diagnostic Tests's 1. Guide to Diagnostic Tests's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Guide to Diagnostic Tests | Trayce Scan |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 9 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Mercuri Gaming, Inc.](https://appshunter.io/developer/1820243257) |

## 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 |


### Trayce Scan

[App page](https://appshunter.io/ios/app/trayce-scan/id6773583570)

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

**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 Trayce Scan free?

Trayce Scan is free to download, with no in-app purchases.

### Do Guide to Diagnostic Tests or Trayce Scan have ads?

Neither Guide to Diagnostic Tests nor Trayce Scan shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*