Guide to Diagnostic Tests vs Digi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guide to Diagnostic Tests
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.
- 450+ diagnostic tests
- Evidence-based recommendations
- Algorithms, tables, and charts
- PubMed links
- Custom notes and highlighting
- Full-text search
- Favorites for bookmarking
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ABOUT GUIDE TO DIAGNOSTIC TESTS Pocket Guide to Diagnostic Tests, provides immediate, evidence-based information on the selection and interpretation of commonly used laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring. Including more than 450 updated diagnostic tests, this mobile resource is ideal for answering questions encountered daily by physicians, nurses, students, and other healthcare professionals, such as: • Which test is best to diagnose or follow a patient’s condition? • What is the correct interpretation of an abnormal diagnostic test? • How do I collect the appropriate specimen or prepare the patient for testing? • Where can I find more information on this test in the medical literature? FEATURES • 450+ updated laboratory and diagnostic tests • Evidence-based recommendations • New and updated coverage of emerging and re-emerging pathogens and infectious agents • Extensive use of algorithms, tables, and charts • PubMed links directly to journal citations and available articles • Highlight and make custom notes within any entry • Full Text Search – find topics across from any entry • ‘Favorites’ for bookmarking important entries Editors: Diana Nicoll, MD, PhD, MPA; Chuanyi Mark Lu, MD; Stephen J. McPhee, MD Publisher: McGraw Hill Powered by: Unbound Medicine
Digi
Practice diagnostic reasoning with simulated patient cases. Make informed decisions on diagnostic tests and patient management, comparing your efficiency and cost to experienced clinicians. Learn from feedback and access relevant literature.
- Simulated patient cases
- Diagnostic test selection
- Patient management choices
- Cost comparison to experts
- Clinical feedback
- Hyperlinks to literature
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This app is designed for early clinicians to practice using diagnostic testing to arrive at a simulated patient's diagnosis. Patient histories are provided - the goal of playing is to choose diagnostic tests to get to the right diagnosis as efficiently as possible. Each test accrues additional expense, and users can compare their costs to that of the experienced clinician. Just as in real life, making incorrect choices still provides valuable learning as feedback from experienced clinicians follows diagnosis selections. In addition, some cases will also provide opportunity for making choices in patient management, with clinical feedback provided for all selections. Hyperlinks to relevant literature are included for easy access to further information. Once diagnosis is made, users will have opportunity to provide specific feedback through a survey link - we hope you'll fill it out and help faculty make this as useful a learning tool as possible! This app was built through a partnership between Jump Simulation and faculty from the University of Illinois College of Medicine.
Screenshots
Verdict
The clearest difference is rating: Guide to Diagnostic Tests at 4.6 against Digi's 3.7. Guide to Diagnostic Tests also leads on ratings volume (35 vs 3). Digi's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 9 months). On price, review sentiment, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Guide to Diagnostic Tests sells 1 one-off in-app purchase. Digi asks for nothing beyond the download.
Guide to Diagnostic Tests holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Guide to Diagnostic Tests has 35 ratings behind it against 3, 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, Digi every 2 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | Guide to Diagnostic Tests | Digi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (35 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 35 — better | 3 |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 95 MB |
| Age rating | 17+ | 12+ |
| Developer | Unbound Medicine, Inc. | OSF Healthcare System |
Customer experience
Guide to Diagnostic Tests
Digi
In-app purchases
Guide to Diagnostic Tests
- Pocket Guide to Diagnostic Tests$54.99
Digi
No in-app purchases
Questions
Is Guide to Diagnostic Tests free?
Is Digi free?
Which has better reviews, Guide to Diagnostic Tests or Digi?
Do Guide to Diagnostic Tests or Digi have ads?
Which is updated more often, Guide to Diagnostic Tests or Digi?
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