Best Guide To Diagnostic Tests Apps

247+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated July 2026

Guide to Diagnostic Tests is the household name in guide to diagnostic tests, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Guide To Diagnostic Tests Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Guide to Diagnostic TestsGuide to Diagnostic TestsFree4.6★ (35)NoYesAug 2026
2Guide to Diagnostic Tests 7edGuide to Diagnostic Tests 7edFree1.5★ (2)YesYesJul 2026
3Ferri's Best Test - Lab GuideFerri's Best Test - Lab GuideFree4.8★ (25)YesYesMay 2026
4Manual Lab and Diagnostic TestManual Lab and Diagnostic TestFree4.3★ (8)YesYesJul 2026
5Davis Lab and Diagnostic TestsDavis Lab and Diagnostic TestsFree5.0★ (2)NoYesMay 2026
6Davis’s Lab & Diagnostic TestsDavis’s Lab & Diagnostic TestsFree4.7★ (84)YesYesMay 2026
7Laboratory Diagnostic TestsLaboratory Diagnostic TestsFree4.9★ (13)YesYesJul 2026
8Lab Notes & Diagnostic TestsLab Notes & Diagnostic TestsFree5.0★ (8)YesYesJul 2026

Top Picks for Guide To Diagnostic Tests

Guide to Diagnostic Tests#1

Guide to Diagnostic Tests by Unbound Medicine, Inc.

Evidence-based recommendations
Editor's Choice
🏥 Medical
4.6(35 ratings)
FreeIn-App Purchases
Guide to Diagnostic Tests screenshot 1
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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.

Guide to Diagnostic Tests 7ed#2

Guide to Diagnostic Tests 7ed by Skyscape Medpresso Inc

450 Lab & Microbiology Tests
Strong Contender
🏥 Medical
1.5(2 ratings)
FreeAdsIn-App Purchases
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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.

Ferri's Best Test - Lab Guide#3

Ferri's Best Test - Lab Guide by Skyscape Medpresso Inc

Over 400+ tests & labs.
Worth Considering
🏥 Medical
4.8(25 ratings)
FreeAdsIn-App Purchases
Ferri's Best Test - Lab Guide screenshot 1
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This medical reference app provides guidance on laboratory and imaging approaches for over 400 tests and 230 diseases. It features interactive flowcharts, IU units, and concise clinical material to aid in test selection and diagnostic skills.

More Guide To Diagnostic Tests apps to explore

4
Manual Lab and Diagnostic Test
Manual Lab and Diagnostic Test
Manual Lab and Diagnostic Test
Fischbach - Step-by-Step Guide
Free

This medical reference app provides nurses and health professionals with step-by-step guidance on laboratory and diagnostic tests. It offers detailed information on patient preparation, procedure interpretation, and aftercare, with updates on emerging health considerations.

Step-by-step guidance on diagnostic testsPatient preparation and aftercare instructionsInterpretation of test results
🏥 Medical
(8)
free with in-app purchases
5
Davis Lab and Diagnostic Tests
Davis Lab and Diagnostic Tests
Davis Lab and Diagnostic Tests
Nursing Implications 9th Ed
Free

This medical reference app provides comprehensive information on lab and diagnostic tests. It helps users understand test procedures, interpret results, and offer quality patient care with detailed nursing implications, common uses, and interfering factors.

Alphabetical listing of testsSearchable by abbreviation, synonym, diseasePotential Nursing Problems tables
🏥 Medical
(2)
free with in-app purchases
6
Davis’s Lab & Diagnostic Tests
Davis’s Lab & Diagnostic Tests
Davis’s Lab & Diagnostic Tests
with Nursing Implications
Free

This app provides comprehensive guidance on hundreds of diagnostic tests, including interpretation of results, patient preparation, and post-test care. It's designed for nurses and healthcare professionals to understand and implement critical test procedures effectively.

Over 400 lab and diagnostic test monographsSubspecialty test coverageNursing implications and clinical judgment sections
🏥 Medical
(84)
free with in-app purchases
7
Laboratory Diagnostic Tests
Laboratory Diagnostic Tests
Laboratory Diagnostic Tests
Davis's Comprehensive Handbook
Free

This comprehensive manual provides essential information on laboratory and diagnostic tests, focusing on nursing implications and clinical judgment. It helps healthcare professionals understand test procedures, interpret results, and deliver quality patient care with updated terminology and a student-friendly design.

Nursing implications and clinical judgment focusAlphabetical test listing for quick referenceIntegrated index for multiple search options
🏥 Medical
(13)
free with in-app purchases
8
Lab Notes & Diagnostic Tests
Lab Notes & Diagnostic Tests
Lab Notes & Diagnostic Tests
Nurses' Guide to 400+ Tests
Free

This app serves as a portable reference for nurses, providing essential information on over 400 lab and diagnostic tests. It includes details on preparation, patient care, panic levels, and visual aids, with offline access after initial download.

Covers 400+ lab and diagnostic testsIncludes radiography, imaging, and endoscopyIdentifies panic lab levels and nurse alerts
🏥 Medical
(8)
free with in-app purchases
9
Mosby’s Diag and Lab Test Ref
Mosby’s Diag and Lab Test Ref
Mosby’s Diag and Lab Test Ref
Test Prep & Procedures Guide
Free

This app provides a comprehensive reference for diagnostic and laboratory tests, including explanations, normal and abnormal findings, and patient care guidelines. It features the latest research and is organized alphabetically for quick access. Sample content is available for free, with full access unlocked via in-app purchase.

Alphabetical organization with A-Z thumb tabsLatest research on diagnostic valuesPatient care guidelines
🏥 Medical
(37)
free with in-app purchases
10
Manual Lab Diagnostic Tests
Manual Lab Diagnostic Tests
Manual Lab Diagnostic Tests
With Nursing Implications
Free

This app provides comprehensive information on laboratory and diagnostic tests, including their physiological basis, reference values, and nursing implications. It helps healthcare professionals and students understand test results, plan care, and educate patients. The app offers offline access and smart search functionality.

Detailed test informationPhysiological and pathophysiological understandingReference values with age variations
🏥 Medical
(2)
free with in-app purchases
11
Medical Lab Tests
Medical Lab Tests
Medical Lab Tests
Lab Values Reference Guide
Free

This app provides instant access to reference ranges, clinical significance, and interpretations for a wide array of laboratory tests. Designed for healthcare professionals and students, it offers detailed information on over 17 categories of lab tests, working offline for convenient use in clinical settings.

Instant lab test lookup17+ lab test categoriesReference ranges (SI & US units)
🏥 Medical
(1.1K)
free with in-app purchases
12
Diagnosis
Diagnosis
Diagnosis
OBD Diagnostic
Free
🔧 Utilities
(0)
13
Laboratory Diagnostic Test
Laboratory Diagnostic Test
Laboratory Diagnostic Test
Laboratory Normal Values
Free
🏥 Medical
(0)
14
Apple Support
Apple Support
Apple Support
We’re here to help
Free

Access personalized solutions for all your Apple products and services in one convenient app. Troubleshoot issues with guided steps, chat with support, manage subscriptions, reset passwords, and find nearby service locations for Genius Bar appointments.

Personalized product solutionsSubscription managementPassword reset
🔧 Utilities
(32K)
free with in-app purchases
15
Hi-Precision
Hi-Precision
Hi-Precision
Hi-Precision Diagnostics
Free

Access your laboratory results, download them as PDFs, and find branch locations. Stay updated with the latest news, promotions, and events. This app also provides a doctor's directory and information on lab test preparation.

Access cumulative results onlineDownload results as PDFCheck lab test prep & dictionary
🏥 Medical
(8)
free
16
Mental Health Tests
Mental Health Tests
Mental Health Tests
by Mind Diagnostics, Inc.
Free

This app offers a quick way to assess potential symptoms of various mental health conditions. It provides a range of tests to help users understand if they might be experiencing issues like depression, anxiety, or addiction. Recovery is possible, and early assessment can be a crucial first step.

Symptom assessment for mental health conditionsTests for depression and anxietyADHD and PTSD assessment
🏥 Medical
(89)
ad-supported
17
Symptom to Diagnosis EB Guide
Symptom to Diagnosis EB Guide
Symptom to Diagnosis EB Guide
Evidence Based Medicine + DDx
Free

This medical app uses a case-based approach to teach internal medicine diagnosis. It guides users through evaluating, diagnosing, and treating patients based on clinical complaints, with updated research and new diagnostic tools.

Case-based learningEvidence-based diagnosisDifferential diagnosis tables
🏥 Medical
(30)
free with in-app purchases
18
iHealth Antigen Test Guide
iHealth Antigen Test Guide
iHealth Antigen Test Guide
by iHealth Labs Inc.
Free

This app provides a simple, step-by-step guide for performing a COVID-19 self-test at home using a non-invasive nasal swab. It includes instructional videos and a timer to help users get clear results quickly and reliably.

Step-by-step tutorial videos5-step testing process15-minute test completion
💪 Health & Fitness
(1)
free
19
Lab Values Reference Guide
Lab Values Reference Guide
Lab Values Reference Guide
For Nurses & Physicians!
Free

A quick reference tool for normal lab values and interpretation tips. It's designed for students and clinicians in medical fields, offering sorting by value, system, or panel, and includes helpful diagrams.

Quick reference for normal lab valuesPRO tips for interpretationSort by lab value, body system, or panel
📚 Education
(9)
free
20
RNotes®
RNotes®
RNotes®
Nurse's Clinical Pocket Guide
Free

This clinical reference app provides nurses and students with quick access to essential medical information, including guidelines, procedures, and exam preparation tools. It features full-color images, charts, and customizable notes to enhance patient care and learning.

Quick-reference clinical nursing informationUpdated AHA guidelinesFull-color images and charts
🏥 Medical
(38)
free with in-app purchases

FAQ about Guide To Diagnostic Tests

What are the best guide to diagnostic tests apps for iPhone?
Guide to Diagnostic Tests tops our guide to diagnostic tests apps ranking as of July 2026, with a 4.6-star average from 35 App Store ratings, and it's free to download.
Yes — 20 of the top guide to diagnostic tests apps we rank are free to download, including Guide to Diagnostic Tests and Guide to Diagnostic Tests 7ed.
Guide to Diagnostic Tests has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 247+ guide to diagnostic tests apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Guide to Diagnostic Tests is a mobile resource providing evidence-based information on over 450 common laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring. It's designed to answer daily questions for physicians, nurses, and students.
The app covers over 450 updated laboratory and diagnostic tests, including diagnostic imaging and therapeutic monitoring. It also features new and updated coverage of emerging and re-emerging pathogens and infectious agents.