# Guide to Diagnostic Tests vs Huppert's Notes

The clearest difference is review sentiment: Huppert's Notes at 100% against Guide to Diagnostic Tests's 0%. Huppert's Notes also leads on rating (4.9 vs 4.6) and iOS requirement (13.0 vs 15.0). Guide to Diagnostic Tests's advantage is ads (none vs shown). On price, ratings volume, 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 Huppert's Notes sells 4 in-app purchases, starting at $24.99 per 6 months. Whichever you choose, the download price is not the number that matters.

Huppert's Notes holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 35 and 17 respectively. Written reviews point the same way: 0% of Guide to Diagnostic Tests's written reviews are positive against 100% of Huppert's Notes's.

Guide to Diagnostic Tests ships an update every 10 months, Huppert's Notes every 6 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Guide to Diagnostic Tests | Huppert's Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (35 ratings)](https://appshunter.io/ios/app/guide-to-diagnostic-tests/id910130424/reviews) | **[4.9 (17 ratings)](https://appshunter.io/ios/app/hupperts-notes-internal-med/id1574447101/reviews)** |
| Number of ratings | **35** | 17 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 6 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 |


### Huppert's Notes

[App page](https://appshunter.io/ios/app/hupperts-notes-internal-med/id1574447101)

This app provides a concise outline of internal medicine topics, bridging pathophysiology and clinical medicine. It's designed for medical trainees to take notes, access high-yield diagrams, and understand concepts mechanistically. The app offers a yearly subscription for full content access and updates.

**Highlights:** Personal note-taking on chapters, Audio and text notes, Outline format for rapid access, Concise descriptions of medical conditions, Diagnostic and management pearls, High-yield diagrams and tables

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Huppert's Notes 6 Month Sub. | $24.99 | per 6 months |
| #1 Resource for IM Residency | $36.99 | per year |
| Huppert's Notes 1 Year Sub. | $41.99 | per year |
| Huppert's Notes IM | $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 Huppert's Notes free?

Huppert's Notes is free to download, with in-app purchases available.

### Which has better reviews, Guide to Diagnostic Tests or Huppert's Notes?

Huppert's Notes is rated higher. Guide to Diagnostic Tests averages 4.6 out of 5 from 35 ratings, while Huppert's Notes averages 4.9 from 17 ratings.

### Do Guide to Diagnostic Tests or Huppert's Notes have ads?

Huppert's Notes shows ads; Guide to Diagnostic Tests does not.

### Which is updated more often, Guide to Diagnostic Tests or Huppert's Notes?

Guide to Diagnostic Tests ships an update every 10 months, and Huppert's Notes every 6 months. Most recently, Guide to Diagnostic Tests was updated on October 7, 2026 and Huppert's Notes on October 6, 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.*