Best Preliminary Diagnosis Apps

209+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Prognosis is the household name in preliminary diagnosis, but it's far from the only option. We track 209+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Preliminary Diagnosis Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Prognosis: Your DiagnosisPrognosis: Your DiagnosisFree4.8โ˜… (2.9K)YesNoJul 2026
25 Minute Clinical Consult5 Minute Clinical ConsultFree4.8โ˜… (3.1K)NoYesJul 2026
3DSM-5-TRยฎ Diagnosis HandbookDSM-5-TRยฎ Diagnosis HandbookFree4.6โ˜… (1.5K)YesYesJul 2026
4ICD10 ConsultICD10 ConsultFree4.8โ˜… (14K)YesYesJul 2026
5Nurse's Pocket Guide-DiagnosisNurse's Pocket Guide-DiagnosisFree4.5โ˜… (175)YesYesJun 2026
6VisualDxVisualDxFree4.4โ˜… (183)YesYesJul 2026
7Zocdoc - Find and book doctorsZocdoc - Find and book doctorsFree4.9โ˜… (169K)NoNoJul 2026
8Recuro CareRecuro CareFree4.8โ˜… (10K)NoNoJul 2026

Top Picks for Preliminary Diagnosis

Prognosis: Your Diagnosis#1

Prognosis: Your Diagnosis by Medical Joyworks LLC

Improve your diagnosis skills
Editor's Choice
๐Ÿฅ Medical
4.8๐Ÿ˜Š(2.9K ratings)
FreeAds
Prognosis: Your Diagnosis screenshot 1
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Prognosis: Your Diagnosis screenshot 3
Prognosis: Your Diagnosis screenshot 4
Prognosis: Your Diagnosis screenshot 5
Prognosis: Your Diagnosis screenshot 6

Enhance your diagnostic and management skills with interactive clinical cases. Access facts and explanations to understand the rationale behind diagnoses and treatments. New cases are added weekly, reflecting current medical trends.

What We Love

  • ๐Ÿš€ Super Amazing Awesome!
  • ๐Ÿ‘ Great learning app
  • ๐Ÿ‘ Excellent scenarios
  • ๐Ÿ‘ Actually Fun

Room to Improve

  • ๐Ÿ› Contenido en espaรฑol
  • ๐Ÿ› Mรฉcontent
  • ๐Ÿ› Down loading problem
5 Minute Clinical Consult#2

5 Minute Clinical Consult by Unbound Medicine, Inc.

2026 Edition w/ Bonus Features
Strong Contender
๐Ÿฅ Medical
4.8๐Ÿ˜(3.1K ratings)
FreeIn-App Purchases
#43in Medical
5 Minute Clinical Consult screenshot 1
5 Minute Clinical Consult screenshot 2
5 Minute Clinical Consult screenshot 3
5 Minute Clinical Consult screenshot 4
5 Minute Clinical Consult screenshot 5
5 Minute Clinical Consult screenshot 6

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.

What We Love

  • ๐Ÿš€ Quick reference
  • ๐Ÿ“š Comprehensive medical information
  • ๐Ÿ” Easy to navigate
  • ๐Ÿ’ป Useful for students and medical professionals

Room to Improve

  • ๐Ÿ”’ Subscription-based access issues
  • ๐Ÿ” Difficult search functionality
  • ๐Ÿ”ง Lack of customer support
DSM-5-TRยฎ Diagnosis Handbook#3

DSM-5-TRยฎ Diagnosis Handbook by Unbound Medicine, Inc.

Differential DDx Text Revision
Worth Considering
๐Ÿฅ Medical
4.6๐Ÿ˜ž(1.5K ratings)
FreeAdsIn-App Purchases
DSM-5-TRยฎ Diagnosis Handbook screenshot 1
DSM-5-TRยฎ Diagnosis Handbook screenshot 2
DSM-5-TRยฎ Diagnosis Handbook screenshot 3
DSM-5-TRยฎ Diagnosis Handbook screenshot 4
DSM-5-TRยฎ Diagnosis Handbook screenshot 5
DSM-5-TRยฎ Diagnosis Handbook screenshot 6

This app assists clinicians in making accurate psychiatric diagnoses using the latest DSM-5-TRยฎ classifications. It features interactive decision trees and algorithms to guide users through a 6-step diagnostic process, offering differential diagnoses and detailed condition entries.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Quick lookup
  • ๐Ÿ’ก Helpful decision trees
  • ๐Ÿ™Œ Great app for therapists

Room to Improve

  • ๐Ÿ› Spelling errors
  • โš ๏ธ Lacks full diagnostic criteria
  • ๐Ÿ’ฐ Overpriced for the content

More Preliminary Diagnosis apps to explore

4
ICD10 Consult
ICD10 Consult
ICD10 Consult
Smart, quick medical coding
Free

Access a comprehensive and current ICD-10-CM medical coding resource with flexible, natural language search. This app simplifies coding by understanding synonyms, acronyms, and variations in terminology, and allows for custom notes and quick access to frequently used codes.

Flexible, natural language searchCustomizable code notesCross-referenced acronyms and synonyms
๐Ÿฅ Medical
(14K)
ad-supported
5
Nurse's Pocket Guide-Diagnosis
Nurse's Pocket Guide-Diagnosis
Nurse's Pocket Guide-Diagnosis
Nursing Diagnosis, Care Plans
Free

This app assists nurses in creating accurate nursing diagnoses and care plans. It provides detailed information for over 400 medical conditions, including definitions, interventions, and documentation guidelines. Users can also search by patient symptom to find related diagnoses.

400+ medical conditions with nursing diagnosesNCSBN Clinical Judgment Measurement Model updatesNANDA-I and ICNP diagnoses
๐Ÿฅ Medical
(175)
free with in-app purchases
6
VisualDx
VisualDx
VisualDx
Medical images & differentials
Free

This visual reference tool aids medical professionals in improving patient engagement and diagnostic accuracy. It utilizes AI and a vast image atlas to help build custom differentials, share patient-specific images, and access comprehensive diagnostic information. Earn continuing education credits while making better medical decisions.

Build custom differentialsEngage patients with visual aidsImprove diagnostic accuracy
๐Ÿฅ Medical
(183)
subscription
7
Zocdoc - Find and book doctors
Zocdoc - Find and book doctors
Zocdoc - Find and book doctors
Top-rated, in-network care
Free

Easily find and book appointments with in-network doctors and specialists. Search by insurance, specialty, or availability to schedule in-person or telehealth visits. Read reviews, fill out forms online, and receive appointment reminders.

Search by insurance and locationBrowse by specialty and availabilityFilter by distance, gender, ratings
๐Ÿฅ Medical
(169K)
free
8
Recuro Care
Recuro Care
Recuro Care
Digital Health Solutions
Free

Access a comprehensive suite of virtual health services, including primary care, behavioral health, at-home testing for over 90 diseases, and genetic screening. Receive personalized care and monitor your health remotely through secure message-based and video interactions with top physicians.

Virtual primary careBehavioral health servicesAt-home lab testing
๐Ÿฅ Medical
(10K)
free
9
CDC's Milestone Tracker
CDC's Milestone Tracker
CDC's Milestone Tracker
by Centers For Disease Control and Prevention
Free

Monitor your child's developmental progress from 2 months to 5 years with interactive checklists. Includes tips, videos, and guidance on when to seek professional advice. Easily share milestone summaries with healthcare providers.

Add multiple childrenInteractive milestone checklistsMilestone photos and videos
๐Ÿ’ช Health & Fitness
(9.6K)
free
10
Circle Medical
Circle Medical
Circle Medical
A modern doctor's office
Free

Access a modern primary care clinic with board-certified providers for same-day or next-day appointments. Establish ongoing relationships for general health, mental health, preventive care, and urgent issues. Video appointments are available in many states.

Same-day/next-day appointmentsBoard-certified providersAnnual physicals and wellness exams
๐Ÿฅ Medical
(30K)
free
11
UWorld Medical Exam Prep
UWorld Medical Exam Prep
UWorld Medical Exam Prep
QBank, Flashcards & Videos
Free

Prepare for medical licensing exams with realistic practice questions, detailed explanations, and high-yield visuals. Enhance learning with flashcards, video lessons, and a comprehensive medical library. Create custom quizzes and study plans to track progress and predict your score.

Realistic exam-style practice questionsDetailed explanations for all answer optionsSmart flashcards with spaced repetition
๐Ÿ“š Education
(4.1K)
free with in-app purchases
12
Figure 1 - Medical Cases
Figure 1 - Medical Cases
Figure 1 - Medical Cases
Expand your clinical knowledge
Free

Connect with healthcare professionals worldwide to view, share, and discuss real-world patient cases. Access thousands of common and rare cases to enhance your clinical knowledge and improve patient diagnosis and treatment.

View, share, and discuss medical casesReal-time collaboration with expertsAccess thousands of common and rare cases
๐Ÿฅ Medical
(1.4K)
ad-supported
13
Diagnosaurusยฎ DDx
Diagnosaurusยฎ DDx
Diagnosaurusยฎ DDx
Best-selling DDx app worldwide
Free

This medical reference tool assists healthcare professionals in performing differential diagnoses quickly and confidently. It offers a searchable database of over 1,000 diagnoses, cross-referenced for related conditions, and allows users to save favorite entries and make custom notes.

Over 1,000 differential diagnosesSearch by organ system, symptom, or diseaseSee Related DDx feature
๐Ÿฅ Medical
(2.4K)
free with in-app purchases
14
Rosh Review | Exam Prep Qbank
Rosh Review | Exam Prep Qbank
Rosh Review | Exam Prep Qbank
by Rosh Review LLC
Free

Prepare for high-stakes medical certification exams with a comprehensive question bank. Features expert-written questions, personalized analytics, and a pass guarantee. Build confidence and master medical knowledge before your test.

Expert-written exam questionsCustomizable practice examsPersonalized analytics dashboard
๐Ÿ“š Education
(8.2K)
free with in-app purchases
15
OpenEvidence
OpenEvidence
OpenEvidence
Clinical Decision Support
Free

This app provides healthcare professionals with evidence-based clinical decision support and medical information. It acts as a search engine, sourcing answers from peer-reviewed literature and leading medical organizations to aid in high-stakes medical decisions at the point of care.

Clinical decision supportMedical search engineSourced from peer-reviewed literature
๐Ÿฅ Medical
(11K)
free
16
Giaยฎ by MVP
Giaยฎ by MVP
Giaยฎ by MVP
24/7 virtual care + plan info
Free

Access 24/7 virtual medical care, including urgent and behavioral health services, with options for same-day treatment and prescription refills. It also provides tools to find in-person care, estimate costs, and manage your health plan details like ID cards, pharmacy information, and claims.

24/7 virtual urgent and behavioral health careText a doctor for primary and specialty careSame-day treatment for health concerns
๐Ÿฅ Medical
(2.7K)
free
17
USPSTF Prevention TaskForce
USPSTF Prevention TaskForce
USPSTF Prevention TaskForce
USPSTF Recommendations (ePSS)
Free

This app provides primary care clinicians with evidence-based recommendations for preventive services. It helps identify appropriate screening, counseling, and medication services for patients based on their individual characteristics.

Access USPSTF recommendationsSearch by patient characteristicsIdentify screening services
๐Ÿฅ Medical
(68)
free
18
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
๐Ÿฅ Medical
(89)
ad-supported
19
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
๐Ÿฅ Medical
(29)
free with in-app purchases
20
BlinkLab
BlinkLab
BlinkLab
Neurobehavioral Testing
Free

This app serves as a tool for evaluating therapies and diagnosing neuropsychiatric disorders like autism. It's also used in research to study brain mechanisms and as a digital biomarker for clinical studies. Additionally, it functions as an educational resource for understanding brain activity.

Therapy evaluationDiagnostic tool for neuropsychiatric disordersNeuroscience and psychology research
๐Ÿฅ Medical
(5)
free

FAQ about Preliminary Diagnosis

What are the best preliminary diagnosis apps for iPhone?
Prognosis: Your Diagnosis tops our preliminary diagnosis apps ranking as of June 2026, with a 4.8-star average from 2.9K App Store ratings, and it's free to download.
Yes โ€” 20 of the top preliminary diagnosis apps we rank are free to download, including Prognosis: Your Diagnosis and 5 Minute Clinical Consult.
Prognosis: Your Diagnosis shows ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 209+ preliminary diagnosis apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Prognosis: Your Diagnosis is an app designed to help medical professionals and students improve their ability to diagnose and manage clinical presentations. It offers interactive cases with explanations of diagnostic and management rationale, along with key learning points.
The app features a catalog of clinical cases spanning 33 medical specialties, all playable in minutes. It provides concise explanations of diagnostic reasoning and key takeaways. New cases are released weekly, often reflecting current global health trends.