Best Diagnostic Testing Apps

211+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

With an average user rating of 4.3★, the diagnostic testing category is one of the App Store's strongest. Browse all 211+ apps we track, sorted so the most loved ones surface first.

Top Picks for Diagnostic Testing

Laboratory Diagnostic Tests#1

Laboratory Diagnostic Tests by Skyscape Medpresso Inc

Davis's Comprehensive Handbook
Editor's Choice
🏥 Medical
5.0(12 ratings)
FreeAdsIn-App Purchases
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This comprehensive handbook provides nursing professionals with a detailed guide to laboratory and diagnostic tests, offering interpretive guidance on test results and their implications for patient care. Download the app to try out sample content, and unlock all features with an in-app purchase to access the latest information and updates.

Davis’s Lab & Diagnostic Tests#2

Davis’s Lab & Diagnostic Tests by Unbound Medicine, Inc.

with Nursing Implications
Strong Contender
🏥 Medical
4.7(84 ratings)
FreeAdsIn-App Purchases
Davis’s Lab & Diagnostic Tests screenshot 1
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This application provides comprehensive guidance on laboratory and diagnostic tests, including pretest requirements, intratest procedures, and post-test care, to help nurses and healthcare professionals make informed decisions and provide quality care. With easy-to-understand test descriptions, nursing implications, and clinical judgment guidance, users can quickly access the information they need to accurately interpret test results and prepare patients for testing.

Guide to Diagnostic Tests#3

Guide to Diagnostic Tests by Unbound Medicine, Inc.

Evidence-based recommendations
Worth Considering
🏥 Medical
4.6(35 ratings)
FreeAdsIn-App Purchases
Guide to Diagnostic Tests screenshot 1
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This mobile resource provides immediate, evidence-based information on laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring, helping healthcare professionals select and interpret diagnostic tests. With over 450 updated tests, it offers practical guidance and answers to common questions, making it an essential tool for daily practice.

More Diagnostic Testing 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 application provides a comprehensive guide for nurses and health professionals to perform diagnostic tests and procedures safely and effectively. It offers step-by-step guidance, tips for accurate interpretation, and expert information on patient preparation and aftercare, with in-app purchases available to unlock full content.

🏥 Medical
(7)
5
Manual Lab Diagnostic Tests
Manual Lab Diagnostic Tests
Manual Lab Diagnostic Tests
With Nursing Implications
Free

This comprehensive resource provides nurses and students with detailed information on laboratory and diagnostic tests, including nursing implications, reference values, and clinical applications, to aid in critical thinking and care planning. Download the free app to try before you buy and unlock all content with an in-app purchase.

🏥 Medical
(2)
6
Davis Lab and Diagnostic Tests
Davis Lab and Diagnostic Tests
Davis Lab and Diagnostic Tests
Nursing Implications 9th Ed
Free
🏥 Medical
(2)
7
On/Go
On/Go
On/Go
Delightful health & care
Free
🏥 Medical
(52K)
8
Laboratory Diagnostic Test
Laboratory Diagnostic Test
Laboratory Diagnostic Test
Laboratory Normal Values
Free
🏥 Medical
(0)
9
Lab Notes & Diagnostic Tests
Lab Notes & Diagnostic Tests
Lab Notes & Diagnostic Tests
Nurses' Guide to 400+ Tests
Free

This application is a portable reference guide for nurses, covering over 400 lab and diagnostic tests, and providing essential information on test preparation, procedures, and patient care. Download the free app to try before you buy, and unlock all content with an in-app purchase to access a comprehensive resource for nursing professionals.

🏥 Medical
(8)
10
xRapid-Malaria: the automated diagnostic test
xRapid-Malaria: the automated diagnostic test
xRapid-Malaria: the automated diagnostic test
by ianxen ltd
Free

This innovative mobile health application enables health workers to quickly and accurately diagnose malaria with minimal training, providing high-quality diagnostic results at a low cost. By leveraging digital image analysis and artificial intelligence, it automates the traditional diagnostic test, allowing for fast and accurate detection of malaria parasites, with results available in under an hour.

🏥 Medical
(0)
11
Mental Health Tests
Mental Health Tests
Mental Health Tests
by Mind Diagnostics, Inc.
Free

Quickly assess your mental health with a range of tests covering conditions like depression, anxiety, ADHD, PTSD, and more. Download now to see if you might be experiencing symptoms and start your path to recovery today!

🏥 Medical
(89)
12
MyQuest for Patients
MyQuest for Patients
MyQuest for Patients
by Quest Diagnostics, Inc.
Free

Take control of your health anytime, anywhere with an all-in-one app. View lab results, schedule appointments, locate Quest Diagnostics centers, share health information, and manage your and your loved ones' health with ease. Download now to start your healthy journey.

🏥 Medical
(419K)
13
GPS Diagnostic: Satellite Test
GPS Diagnostic: Satellite Test
GPS Diagnostic: Satellite Test
Precise Coordinates & Altitude
$2.99

A satellite test app that provides precise GPS coordinates. Test the accuracy of your GPS signal and ensure proper functionality. Ideal for outdoor adventurers, travelers, and professionals who rely on accurate GPS data.

🗺️ Navigation
(530)
14
NOX TESTER
NOX TESTER
NOX TESTER
by Proformance Diagnostics LLC
Free
🔧 Utilities
(1)
15
MyLabcorp
MyLabcorp
MyLabcorp
by Laboratory Corporation of America
Free

This mobile app helps you effortlessly manage your health by scheduling appointments, checking lab results, paying bills, and more. Take control of your healthcare conveniently from your mobile device.

🏥 Medical
(25K)
16
Guide to Diagnostic Tests 7ed
Guide to Diagnostic Tests 7ed
Guide to Diagnostic Tests 7ed
450 Lab & Microbiology Tests
Free

This comprehensive guide provides essential information on over 450 diagnostic tests, including lab and microbiology tests, diagnostic imaging, and electrocardiology. Download the free app to try before you buy, and unlock all content with an in-app purchase to access the latest molecular, genetic, and microbiological tests.

🏥 Medical
(2)
17
iTest.
iTest.
iTest.
Phone Diagnostics Made Easy
$0.99

Easily test your device with a guided semi-automatic mode and a variety of tests in one convenient app. Share results with prospective buyers or check the condition of a used device before purchasing.

🔧 Utilities
(47)
18
Phone Diagnostics
Phone Diagnostics
Phone Diagnostics
Test & Find Repair Shop
Free

Perform thorough diagnostics on your phone, including tests for display, battery, sensors, connectivity, and more. Ensure your device is functioning optimally with just a few taps. Discover and fix potential problems quickly.

🔧 Utilities
(85)
19
Agilus Diagnostics- Blood Test
Agilus Diagnostics- Blood Test
Agilus Diagnostics- Blood Test
Path Lab & Full Body Checkup
Free

Book full body health checkups and blood tests at home with ease, and track and manage reports through a user-friendly app. Simplify your health journey with features like home sample collection, smart reports, and password-protected reports, and take advantage of curated health checkup packages and a loyalty program.

🏥 Medical
(702)
20
OBD JScan
OBD JScan
OBD JScan
by Piotr Bialic
Free

OBD JScan is a powerful application designed for Jeep owners to access and control their vehicles' onboard diagnostic information, providing detailed insights and functionality for maintenance and troubleshooting. Stay connected with your Jeep like never before - download OBD JScan now!

🔧 Utilities
(0)