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Best Health Diagnostic App

0+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Whether you're new to health diagnostic app or looking for an upgrade, our curated collection of 0+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Health Diagnostic App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1On/GoOn/GoFree4.8★ (52K)NoNoAug 2026
2MyQuest for PatientsMyQuest for PatientsFree4.7★ (466K)NoNoAug 2026
3FITTR: Health & Fitness AppFITTR: Health & Fitness AppFree4.6★ (2.4K)NoYesAug 2026
4LiveWell with Advocate AuroraLiveWell with Advocate AuroraFree4.7★ (164K)NoNoAug 2026
5WellframeWellframeFree4.8★ (11K)NoNoAug 2026
6Duly Health and CareDuly Health and CareFree4.3★ (2.6K)NoNoAug 2026
7WithingsWithingsFree4.6★ (362K)NoYesAug 2026
8Function HealthFunction HealthFree4.9★ (24K)NoNoAug 2026

Top Picks for Health Diagnostic App

On/Go#1

On/Go by Intrivo Diagnostics, Inc.

Delightful health & care
Editor's Choice
🏥 Medical
4.8😊(52K ratings)
Free
On/Go screenshot 1
On/Go screenshot 2
On/Go screenshot 3

This app offers convenient COVID-19 testing and rapid treatment options for all variants. It also provides quick access to medical experts and effective treatments for common ailments like sniffles, helping users feel better faster.

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient at-home testing
  • 🚀 Clear instructions and app guidance
  • 🚀 Reliable and accurate results

Room to Improve

  • 🐛 App login and account creation issues
  • 🐛 Buggy app performance and camera integration
  • 🔒 Privacy concerns with required personal information
MyQuest for Patients#2

MyQuest for Patients by Quest Diagnostics, Inc.

Strong Contender
🏥 Medical
4.7😐(466K ratings)
Free
#12in Medical
MyQuest for Patients screenshot 1
MyQuest for Patients screenshot 2
MyQuest for Patients screenshot 3
MyQuest for Patients screenshot 4

Access your lab results, schedule appointments, and manage your health information securely. Find nearby locations, share data with providers, and even purchase your own tests. Take proactive control of your well-being.

What We Love

  • 🚀 Easy appointment scheduling
  • 📊 Convenient access to test results
  • 👍 User-friendly app interface
  • 💉 Friendly and efficient phlebotomists

Room to Improve

  • 🐛 Buggy appointment scheduling
  • 🔑 Frustrating login and account management
  • 🕰️ Slow lab result turnaround times
FITTR: Health & Fitness App#3

FITTR: Health & Fitness App by SQUATS

Health Tests, Workouts & Diets
Worth Considering
💪 Health & Fitness
4.6😊(2.4K ratings)
FreeIn-App Purchases
FITTR: Health & Fitness App screenshot 1
FITTR: Health & Fitness App screenshot 2
FITTR: Health & Fitness App screenshot 3
FITTR: Health & Fitness App screenshot 4
FITTR: Health & Fitness App screenshot 5
FITTR: Health & Fitness App screenshot 6

This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.

What We Love

  • 👍 Excellent fitness and nutrition guidance
  • 👍 Helpful and supportive community
  • 👍 Customized diet and workout plans
  • 👍 Comprehensive knowledge base

Room to Improve

  • 🐛 Inconsistent customer support
  • 🐛 Buggy app performance issues
  • 🐛 Lack of flexibility in coach selection

More Health Diagnostic App apps to explore

4
LiveWell with Advocate Aurora
LiveWell with Advocate Aurora
LiveWell with Advocate Aurora
Manage your health & wellness
Free

Access all your health information and manage your wellness in one place. Schedule appointments, message providers, view test results, and even start video visits. It also allows you to manage the health of loved ones and track fitness data.

Video and e-visitsManage family healthFind doctors and locations
🏥 Medical
(164K)
free
5
Wellframe
Wellframe
Wellframe
Health Checklist and Messaging
Free

Manage your health journey with personalized checklists and secure messaging to your care team. Track progress, set reminders for medications and appointments, and access educational resources. This HIPAA-compliant app provides support and helps you feel more in control of your well-being.

Secure messaging with care teamPersonalized daily checklistsMedication and appointment reminders
🏥 Medical
(11K)
free
6
Duly Health and Care
Duly Health and Care
Duly Health and Care
by DuPage Medical Group Ltd.
Free

Manage your healthcare securely online from anywhere. Schedule appointments, message your doctor, view test results, and refill prescriptions. Access your health records and track your progress with this patient portal.

Message your doctor's officeBegin an e-visitSchedule appointments
🏥 Medical
(2.6K)
free
7
Withings
Withings
Withings
THE NEXUS OF YOUR HEALTH
Free

This app serves as a central hub for managing your health, consolidating data from various devices and apps. It provides insights, educational content, and tools to track progress towards goals like weight loss, activity, and sleep. Share your health data securely with your doctor for informed medical decisions.

Unified health data from devices and appsWeight and body composition monitoringActivity and sleep tracking
💪 Health & Fitness
(362K)
free with in-app purchases
8
Function Health
Function Health
Function Health
100 Healthy Years
Free

Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.

160+ lab tests annuallyPersonalized health protocolsPrivate AI Chat for results
💪 Health & Fitness
(24K)
subscription
9
Ada - your health portal
Ada - your health portal
Ada - your health portal
Access health assessment
Free

Access a 24/7 symptom checker to understand potential health concerns. Answer simple questions and receive a personalized assessment report with possible causes and next steps. This app connects to a CE-marked medical device for smart health insights.

24/7 symptom checkerAI-powered assessmentPersonalized health reports
🏥 Medical
(11K)
free with in-app purchases
10
MyAtriumHealth
MyAtriumHealth
MyAtriumHealth
Connect with Atrium Health
Free

Manage your health and wellness, and that of your loved ones, all in one app. Access medical records, schedule appointments, message providers, and pay bills. Find doctors, get directions, and track health data.

Manage care for self and familyFind doctors and locationsSchedule appointments
🏥 Medical
(812)
free
11
My Premise Health
My Premise Health
My Premise Health
by Premise Health Holding Corp.
Free

Access your complete health record securely from your mobile device. Schedule appointments, view lab results, message your provider, manage medications, and conduct video visits. Connect with Apple HealthKit to share vital data with your care team.

View health recordSchedule appointmentsMessage providers
🏥 Medical
(4.1K)
free
12
MyLabcorp
MyLabcorp
MyLabcorp
by Laboratory Corporation of America
Free

Manage your health conveniently with this app. Find and schedule lab appointments, check in remotely, and receive notifications for your results and bills. View, download, and pay for reports, and manage multiple accounts.

Find and schedule lab appointmentsRemote check-in via QR codeReceive notifications for results and bills
🏥 Medical
(41K)
free
13
Texas Health MyChart
Texas Health MyChart
Texas Health MyChart
by Texas Health Resources
Free

Manage your health and connect with your care team from your mobile device. Access test results, request refills, schedule appointments, and view your family's health records. Stay informed with health reminders and complete questionnaires.

Review test resultsRequest medication refillsView immunization history
🏥 Medical
(8.7K)
free
14
HY
HY
HY
HealthiestYou - Doctors 24/7
Free

Access 24/7 virtual doctor consultations for diagnosis and treatment. Compare healthcare costs, find providers, and manage your insurance plan. Optimize your health choices with personalized reminders and savings.

24/7 doctor consultationsProcedure price comparisonPrescription shopping
💪 Health & Fitness
(37K)
free with in-app purchases
15
My Health at Vanderbilt
My Health at Vanderbilt
My Health at Vanderbilt
by Vanderbilt University Medical Center
Free

Access your personal health record securely on your mobile device. Message your doctor, request appointments, and manage your profile on the go. Connect with Apple Health for a comprehensive view of your well-being.

View health recordMessage doctor's officeRequest appointments
🏥 Medical
(7.8K)
free
16
Corewell Health App
Corewell Health App
Corewell Health App
by Spectrum Health
Free

Access your health records, schedule appointments, and connect with providers through on-demand video visits. Manage prescriptions, view test results, and communicate with your healthcare team seamlessly. Streamline your healthcare experience with features designed for convenience and security.

Access health records via MyChartOn-demand video visits with providersSchedule, reschedule, or cancel appointments
🏥 Medical
(4.8K)
free
17
MyNovant
MyNovant
MyNovant
Your health in your hands.
Free

Manage your health and wellness with ease. Access test results, schedule appointments, and connect with healthcare providers through video visits or direct messaging. Organize your health information and share wellness data with your doctor.

View test resultsSchedule appointmentsFind urgent care locations
🏥 Medical
(736)
free
18
HealthPartners®
HealthPartners®
HealthPartners®
Your care, plan & well-being
Free

Manage your health insurance and care needs conveniently from your mobile device. Access your member ID, find providers, check coverage, review health records, and manage prescriptions. Includes tools for building healthy habits and tracking wellness goals.

Find doctors, clinics, and hospitalsView urgent care wait timesAccess digital member ID card
💪 Health & Fitness
(27K)
free
19
MyMountSinai
MyMountSinai
MyMountSinai
by Mount Sinai Health System Inc.
Free

Access comprehensive healthcare services, including finding providers, scheduling appointments, and managing medical records. Offers virtual care options, symptom checking, and secure communication with your medical team. Streamline your health management on the go.

Find and schedule appointmentsAccess virtual care optionsCheck symptoms and find care
🏥 Medical
(5.9K)
free
20
Trinity Health MyChart
Trinity Health MyChart
Trinity Health MyChart
by Trinity Health Corporation
Free

Manage your health information and communicate with your care team on the go. Access test results, pay bills, message your doctor, and schedule appointments. You can also request prescription refills and integrate health data from other apps.

Review test results and medical historyView and pay medical billsMessage your doctor
🏥 Medical
(11K)
free

FAQ about Health Diagnostic App

What is the best health diagnostic app for iPhone?
On/Go tops our health diagnostic app ranking as of July 2026, with a 4.8-star average from 52K App Store ratings, and it's free to download.
Yes — 20 of the top health diagnostic app we rank are free to download, including On/Go and MyQuest for Patients.
On/Go has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
The On/Go app provides convenient health and care solutions. It offers award-winning COVID-19 testing and rapid treatment options for all known variants. Additionally, it helps users manage common ailments like sniffles by providing quick access to effective treatments and trusted medical experts for diagnosis and care.
Key features include reliable COVID-19 testing with results in minutes, rapid access to treatment for COVID-19 when applicable, and a quick fix for sniffles with effective treatments and expert guidance. The app also integrates scientifically validated habit-sustaining techniques for lasting health changes.