1. Home
  2. Topics
  3. Open Evidence

Best Open Evidence Apps

241+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated August 2026

OpenEvidence is the household name in open evidence, but it's far from the only option. We track 241+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Open Evidence Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OpenEvidenceOpenEvidenceFree4.9★ (12K)NoNoAug 2026
2ChatGPTChatGPTFree4.8★ (9.7M)YesYesAug 2026
3UpToDateUpToDateFree3.6★ (577)NoNoAug 2026
4DoximityDoximityFree4.8★ (197K)NoNoAug 2026
5Claude by AnthropicClaude by AnthropicFree4.7★ (248K)NoYesAug 2026
6epocrates: Drug Info & Pill IDepocrates: Drug Info & Pill IDFree4.4★ (7.1K)YesYesAug 2026
7Google GeminiGoogle GeminiFree4.7★ (2.2M)NoYesAug 2026
8USPSTF Prevention TaskForceUSPSTF Prevention TaskForceFree3.6★ (68)NoNoAug 2026

Top Picks for Open Evidence

OpenEvidence#1

OpenEvidence by OpenEvidence Inc.

Evidence-Based Clinical AI
Editor's Choice
🏥 Medical
4.9😊(12K ratings)
Free
#32in Medical
OpenEvidence screenshot 1
OpenEvidence screenshot 2
OpenEvidence screenshot 3
OpenEvidence screenshot 4
OpenEvidence screenshot 5
OpenEvidence screenshot 6

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.

What We Love

  • 🚀 Accurate and concise answers
  • 💡 Provides references and sources
  • 👍 Helpful for clinical practice
  • 🚀 Efficient search and retrieval

Room to Improve

  • 🐛 App not working in latest update
  • ⚠️ Requires specific prompts for complete information
ChatGPT#2

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Strong Contender
📊 Productivity
4.8😊(9.7M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

This app provides access to advanced AI capabilities, including text generation, image creation from descriptions, and voice conversations. It offers personalized advice, creative inspiration, and instant answers for various tasks, syncing history across devices.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and user-friendly interface
  • 🤖 Impressive conversational abilities
  • 💡 Convenient mobile access to ChatGPT

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage
UpToDate#3

UpToDate by UpToDate, Inc.

Worth Considering
🏥 Medical
3.6😞(577 ratings)
Free
UpToDate screenshot 1
UpToDate screenshot 2
UpToDate screenshot 3
UpToDate screenshot 4
UpToDate screenshot 5
UpToDate screenshot 6

This clinical decision support tool provides healthcare professionals with evidence-based guidance to improve patient care. It features AI-powered conversational answers, continuously updated medical content, and tools for drug reference, calculations, and patient education.

What We Love

  • 💎 Invaluable medical resource
  • 🚀 Quick and easy to use
  • 🔍 Comprehensive and up-to-date content

Room to Improve

  • 🐛 Frequent crashes and freezing issues
  • 🔌 Unreliable offline functionality
  • 💰 Expensive subscription cost

More Open Evidence apps to explore

4
Doximity
Doximity
Doximity
Clinical AI, Calling & News
Free

This app provides U.S. healthcare professionals with AI-powered clinical tools, secure communication, and news. It offers features like AI-assisted clinical question answering, time-saving administrative tools, patient calling, ambient note-taking, and secure faxing. It aims to simplify daily tasks and improve patient care.

AI-powered clinical question answeringHIPAA-compliant AI for administrative tasksSecure patient calling and messaging
🏥 Medical
(197K)
free
5
Claude by Anthropic
Claude by Anthropic
Claude by Anthropic
AI assistant for life and work
Free

This AI assistant helps you write, research, code, and solve complex problems. It can analyze documents, code, and images, and even respond to voice commands. Expand your capabilities and tackle new projects with this intelligent thinking partner.

AI writing assistanceCoding and programming helpResearch and data insights
📊 Productivity
(248K)
free with in-app purchases
6
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
Dosing, Interactions, & Labs
Free

This clinical reference app empowers healthcare professionals to make safer, faster decisions. It offers comprehensive drug information, interaction checks, pill identification, lab values, and dosing calculators. Access essential clinical tools offline to enhance patient care and workflow efficiency.

Comprehensive Drug ReferenceDrug Interaction CheckerPill Identifier
🏥 Medical
(7.1K)
free with in-app purchases
7
Google Gemini
Google Gemini
Google Gemini
Your AI assistant from Google
Free

This AI assistant helps you brainstorm, create content, and simplify complex topics. It integrates with your Google apps to provide personalized assistance, plan trips, and study smarter. Upgrade for advanced features like video generation and deeper research capabilities.

Unlimited prompting with Gemini 3 FlashLive interaction via camera/screen sharingContent creation (mockups, posters, diagrams)
📊 Productivity
(2.2M)
free with in-app purchases
8
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
🏥 Medical
(68)
free
9
Medscape
Medscape
Medscape
Clinical Tools, News & CME/CE
Free

This app provides healthcare professionals with immediate clinical answers, medical news, and CME/CE activities. It features AI-driven tools for patient visit transcription and summarization, patient calling, and instant expert answers to medical questions. Access a comprehensive drug database, calculators, and procedural videos to enhance clinical practice.

AI-driven Scribe for transcription and summarizationAI Search for instant medical answersDrug Interaction Checker
🏥 Medical
(1.4K)
free with in-app purchases
10
Grok AI
Grok AI
Grok AI
AI chat & video generation
Free

This AI assistant provides fast, truthful answers and can perform deep web research. It generates striking images and videos from text or voice prompts, and can analyze uploaded content. Engage in conversations with personalized AI companions and access real-time information from X.

AI-powered Q&A and web researchAI image and video generationVoice mode with live camera
📊 Productivity
(1.4M)
free with in-app purchases
11
UpToDate Expert AI
UpToDate Expert AI
UpToDate Expert AI
AI Clinical Decision Support
Free

This AI-powered medical app provides fast, evidence-based answers to clinical questions, drawing from trusted medical content. It helps healthcare professionals explore differential diagnoses and accelerate decision-making, offering CME opportunities.

AI-powered clinical decision supportEvidence-based answersDifferential diagnosis exploration
🏥 Medical
(1.6K)
free
12
Perplexity - AI Search & Chat
Perplexity - AI Search & Chat
Perplexity - AI Search & Chat
Ask. Research. Trusted Answers
Free

Get accurate, source-backed answers to any question with this AI-powered search and chat tool. It leverages top AI models for deep research, drafting emails, and more, syncing across devices. Discover new information and organize your findings in a personal library.

AI-powered search with cited sourcesDeep research and guided explorationConversational follow-up questions
📊 Productivity
(499K)
free with in-app purchases
13
Vera Health: AI for Clinicians
Vera Health: AI for Clinicians
Vera Health: AI for Clinicians
Evidence-based medical answers
Free

This AI-powered medical assistant provides fast, evidence-based answers to clinical questions for healthcare professionals. It offers instant access to research, drug information, calculators, and CME credits, all within a HIPAA-compliant platform.

Evidence-based clinical answersInstant research citationsDrug interaction checks
🏥 Medical
(1.7K)
free
14
MedSafeAI: AI Doctor Assistant
MedSafeAI: AI Doctor Assistant
MedSafeAI: AI Doctor Assistant
80+ Pro Medical AI Assistants
Free

This AI assistant provides licensed healthcare professionals with structured access to medical information and AI-supported insights across numerous specialties. It leverages advanced AI models for knowledge access, analytical workflows, and observational insights from medical images.

80+ AI assistants for healthcareAI-supported observational insights from medical imagesAccess to multiple frontier AI models
📚 Education
(646)
free with in-app purchases
15
Rounds AI: Medical Guidelines
Rounds AI: Medical Guidelines
Rounds AI: Medical Guidelines
Support Clinicians Research
Free

This app provides clinicians with quick, evidence-based answers to clinical questions, complete with citations from guidelines and medical literature. It's designed for fast lookup at the point of care, aiding in treatment decisions and board review.

Evidence-based answers with citationsFast clinical lookupDrug information (dosing, contraindications)
🏥 Medical
(2)
free with in-app purchases
16
CA Evidence Code 2026
CA Evidence Code 2026
CA Evidence Code 2026
California Evidence Code
$19.99

Access the complete California Evidence Code offline on your iPhone or iPad. Features fast search, read-aloud functionality, and the ability to email or print sections. Ideal for legal professionals and students needing quick reference.

Full text of California Evidence CodeFast full-text searchReal-time section number search
🔍 Reference
(4)
paid
17
Indian Evidence Act 1872
Indian Evidence Act 1872
Indian Evidence Act 1872
by Mohit Agarwal
Free

Access the complete text of the Indian Evidence Act, 1872, a foundational law governing evidence admissibility in Indian courts. This digital version provides the original text and details its historical significance and amendments.

Full text of the Indian Evidence Act, 1872Historical context and enactment detailsInformation on amendments
📚 Books
(2)
ad-supported
18
California Evidence Code by LS
California Evidence Code by LS
California Evidence Code by LS
A part of the LawStack Series.
Free

Access California's Evidence Code offline with advanced search, bookmarking, and note-taking features. Share content with colleagues. A free trial is available before in-app purchase.

Complete offline accessCustom bookmarks, highlighting, and notesFull-text and advanced search
🔍 Reference
(1)
free with in-app purchases
19
Medical AI: chat with evidence
Medical AI: chat with evidence
Medical AI: chat with evidence
up to date clinical guidelines
Free

This app provides evidence-based clinical information and guidelines for healthcare professionals. It offers drug references, differential diagnosis support, and aids in medical board exam preparation. All responses include citations for verification.

Evidence-based clinical answers with citationsCurrent clinical guidelinesDrug information and interactions
📚 Education
(348)
subscription
20
OpenIntelligence
OpenIntelligence
OpenIntelligence
Silicon-Native Vector Search
Free

Transform your files into a private, searchable knowledge base. This app uses advanced AI to answer your questions with citations, supporting a wide range of document, audio, video, and code formats. It's designed for Apple devices with Apple Intelligence capabilities.

Private knowledge base creationCitation-backed Q&ASupports 50+ file formats
🛠️ Developer Tools
(4)
freemium

FAQ about Open Evidence

What are the best open evidence apps for iPhone?
OpenEvidence tops our open evidence apps ranking as of August 2026, with a 4.9-star average from 12K App Store ratings, and it's free to download.
Yes — 19 of the top open evidence apps we rank are free to download, including OpenEvidence and ChatGPT.
OpenEvidence has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 241+ open evidence apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
OpenEvidence is a clinical decision support platform and medical search engine designed for verified healthcare professionals. It provides answers to clinical questions by sourcing information from peer-reviewed medical literature, the FDA, and the CDC, helping professionals make informed decisions at the point of care.
OpenEvidence is exclusively available for healthcare professionals who can verify their status. This includes physicians and other medical practitioners who require access to up-to-date, evidence-based medical information for their practice.

Related searches

open evidence medical aiopen evidence medicalopen evidence clinical decision supportopen evidence ai