Best Mercury Diagnostic App

212+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated June 2026

Mercury Diagnostic App is the household name in mercury diagnostic app, but it's far from the only option. We track 212+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Mercury Diagnostic App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Mercury Diagnostic AppMercury Diagnostic AppFree3.0★ (1)NoNoMay 2026
2athenaPatientathenaPatientFree4.9★ (153K)NoNoJul 2026
3OBDeleven – OBD2 car scannerOBDeleven – OBD2 car scannerFree4.4★ (1.2K)NoYesJul 2026
4myDLSchart Mobile AppmyDLSchart Mobile AppFree3.1★ (15)NoNoJul 2026
5FORScan ViewerFORScan ViewerFree2.7★ (103)NoNoJun 2026
6HYHYFree4.8★ (37K)YesNoJul 2026
7Xtool AnyscanXtool AnyscanFree2.8★ (70)NoNoJul 2026
8My Health at VanderbiltMy Health at VanderbiltFree4.7★ (7.8K)NoNoJul 2026

Top Picks for Mercury Diagnostic App

Mercury Diagnostic App#1

Mercury Diagnostic App by Mercury Marine LLC

Editor's Choice
🌟 Lifestyle
3.0(1 ratings)
Free
Mercury Diagnostic App screenshot 1
Mercury Diagnostic App screenshot 2
Mercury Diagnostic App screenshot 3

This app allows Mercury dealer technicians to perform basic diagnostics on SmartCraft® engines. It provides live engine data, fault information, runtime history, and custom data lists. Full functionality requires a license key and a VesselView Mobile module.

athenaPatient#2

athenaPatient by athenahealth, Inc.

The athenahealth Patient App
Strong Contender
🏥 Medical
4.9😐(153K ratings)
Free
#16in Medical
athenaPatient screenshot 1
athenaPatient screenshot 2
athenaPatient screenshot 3
athenaPatient screenshot 4
athenaPatient screenshot 5
athenaPatient screenshot 6

Access your health information and communicate securely with your care team. View test results, message providers, schedule appointments, and check in before visits. This app requires an existing athenahealth Patient Portal account.

What We Love

  • 👍 Easy to use
  • 🚀 All medical information in one place
  • 💡 Convenient communication with providers
  • 🙌 Responsive app

Room to Improve

  • 🐛 Frequent login issues
  • 🤔 Confusing navigation
  • ⚠️ Lack of notifications for new messages
OBDeleven – OBD2 car scanner#3

OBDeleven – OBD2 car scanner by OBDeleven UAB

Diagnostics, service & coding
Worth Considering
🔧 Utilities
4.4😞(1.2K ratings)
FreeIn-App Purchases
OBDeleven – OBD2 car scanner screenshot 1
OBDeleven – OBD2 car scanner screenshot 2
OBDeleven – OBD2 car scanner screenshot 3
OBDeleven – OBD2 car scanner screenshot 4
OBDeleven – OBD2 car scanner screenshot 5
OBDeleven – OBD2 car scanner screenshot 6

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

What We Love

  • 🚀 Helpful diagnostic tool
  • 👍 Easy to use
  • 💡 Useful features for VW/Audi owners

Room to Improve

  • 🐛 Compatibility issues with newer devices/OS
  • 💰 Expensive credits/subscription model
  • 🔍 Limited functionality compared to alternatives

More Mercury Diagnostic App apps to explore

4
myDLSchart Mobile App
myDLSchart Mobile App
myDLSchart Mobile App
Diagnostic Laboratory Services
Free

Access and monitor your lab results from Diagnostic Laboratory Services. Receive notifications for new results and quickly find DLS lab locations. This app helps you stay informed about your health diagnostics.

Access lab resultsMonitor health diagnosticsReceive result notifications
🏥 Medical
(15)
free
5
FORScan Viewer
FORScan Viewer
FORScan Viewer
Ford, Mazda, Lincoln, Mercury
Free

This application allows users to read and view information about the on-board network of Ford, Mazda, Lincoln, and Mercury vehicles. It supports various OBD adapters and displays diagnostic trouble codes for all modules.

Read vehicle on-board network configurationView Diagnostic Trouble Codes (DTC)Supports Ford, Mazda, Lincoln, Mercury vehicles
🔧 Utilities
(103)
free
6
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
7
Xtool Anyscan
Xtool Anyscan
Xtool Anyscan
OBD Diagnostic
Free

This smart diagnostic system connects to your iPhone or iPad to provide on-demand vehicle diagnostics. It offers comprehensive coverage for a wide range of car makes and includes full system diagnosis with various special functions.

Comprehensive vehicle coverageFull system diagnosisSpecial functions
🔧 Utilities
(70)
free
8
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
9
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
10
5 Minute Clinical Consult
5 Minute Clinical Consult
5 Minute Clinical Consult
2026 Edition w/ Bonus Features
Free

This app provides quick access to diagnostic and treatment information for over 1,000 medical conditions. It includes bonus content like pediatric diseases and differential diagnoses, with offline access and advanced search capabilities.

Diagnose and treat 1,000+ medical conditionsOffline accessDifferential diagnosis tool
🏥 Medical
(3.1K)
subscription
11
MyEEHealth
MyEEHealth
MyEEHealth
by Edward-Elmhurst Healthcare
Free

Manage your healthcare journey with ease. Schedule appointments, access your medical records, and securely share health data with your doctor. Stay connected and informed about your well-being.

Schedule appointments and testsFind clinic locations and wait timesAccess medical records via MyChart
🏥 Medical
(2K)
free
12
Function Health
Function Health
Function Health
Own Your Health
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
(23K)
subscription
13
Skyscape Lab Values Mobile App
Skyscape Lab Values Mobile App
Skyscape Lab Values Mobile App
Edited by Practicing Clinician
Free

This app provides healthcare providers with comprehensive diagnostic and clinical information on laboratory tests. It helps understand test significance, aids in patient diagnosis and treatment, and offers quick access to relevant data. Content is constantly expanding with regular updates.

Test interpretation and clinical significancePoint-of-care diagnostic informationExtensive coverage of popular lab tests
🏥 Medical
(11)
free with in-app purchases
14
Ford DiagNow
Ford DiagNow
Ford DiagNow
by Ford Motor Company
Free

This app offers a streamlined diagnostic solution for Ford, Lincoln, and Mercury vehicles. It allows users to read and clear trouble codes, monitor live data, and perform key programming without a full scan tool. Access vehicle information and service bulletins for 2010 and newer models.

Read and decode VINRead and clear DTCsRead live data
💼 Business
(1.1K)
subscription
15
Guide to Diagnostic Tests
Guide to Diagnostic Tests
Guide to Diagnostic Tests
Evidence-based recommendations
Free

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 testsEvidence-based recommendationsAlgorithms, tables, and charts
🏥 Medical
(35)
free with in-app purchases
16
MyUTHealth
MyUTHealth
MyUTHealth
by The University of Texas Health Science Center at Houston
Free

Manage your healthcare conveniently from your phone. Schedule appointments, message your doctor, view test results, request prescription refills, and find locations. Integrate health and fitness data for a comprehensive view of your well-being.

Schedule appointmentsSecure physician communicationView test results
🏥 Medical
(2.5K)
free
17
FORScan Lite - for Ford, Mazda
FORScan Lite - for Ford, Mazda
FORScan Lite - for Ford, Mazda
Ford, Mazda, Lincoln, Mercury
$6.99

This application provides on-board computer diagnostics for Ford, Mazda, Lincoln, and Mercury vehicles. It allows users to read and reset diagnostic trouble codes, view sensor data, and execute tests and service functions using compatible OBD adapters.

On-board network configuration analysisRead and reset DTCsRead sensor data (PIDs)
🔧 Utilities
(189)
free
18
Ghost Hunter M2
Ghost Hunter M2
Ghost Hunter M2
by Michael Weber
$7.99

This advanced toolkit aids paranormal investigators by detecting and analyzing various environmental phenomena. It features multiple instruments to measure magnetic fields, audio signals, terrain fluctuations, and light changes, suitable for both novice and experienced users.

EMF InstrumentAudio Detection InstrumentFFT-V Instrument
🎬 Entertainment
(1.6K)
free
19
Diana Health App
Diana Health App
Diana Health App
Women's healthcare, reborn.
Free

Manage your healthcare journey from home. Access appointment details, communicate with your care team, and review test results. Take control of your well-being with convenient access to your health information.

Appointment managementCare team messagingTest result viewing
💪 Health & Fitness
(38)
free
20
Ediag
Ediag
Ediag
by Shenzhen Kingbolen Electrics Technology Co., Ltd.
Free

Perform comprehensive vehicle diagnostics, including reading data flow, fault codes, and vehicle information. Generate professional diagnostic reports for major automobile manufacturers. Features one-key diagnosis and automatic VIN reading.

Full-function diagnosisRead data flowRead/clear fault code
🌟 Lifestyle
(905)
free

FAQ about Mercury Diagnostic App

What is the best mercury diagnostic app for iPhone?
Mercury Diagnostic App tops our mercury diagnostic app ranking as of June 2026, with a 3.0-star average from 1 App Store ratings, and it's free to download.
Yes — 18 of the top mercury diagnostic app we rank are free to download, including Mercury Diagnostic App and athenaPatient.
Mercury Diagnostic App has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 212+ mercury diagnostic app on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Mercury Diagnostic App (MDA) is used by licensed Mercury dealer technicians to perform basic diagnostics on SmartCraft® engines. It allows viewing live engine data, active faults, runtime history, and entering maintenance records.
The Mercury Diagnostic App is limited to use by Mercury Marine Dealers. A software license key is required to unlock its full functionality.