Best Disease Lookup App

247+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good disease lookup app. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Disease Lookup App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Citizen HealthCitizen HealthFree5.0★ (9)NoNoOct 2026
2Diseases and drugs finderDiseases and drugs finderFree—NoNoMay 2026
3ICD-9 LookupICD-9 Lookup$1.992.3★ (3)—NoJun 2026
4FollowMyHealth®FollowMyHealth®Free4.8★ (117K)NoNoOct 2026
5MyChartMyChartFree4.6★ (716K)NoNoOct 2026
6GP DiagnosisGP DiagnosisFree—NoNoAug 2026
7ICD-10 CM Codes 2022 ReferenceICD-10 CM Codes 2022 ReferenceFree4.0★ (4)NoYesAug 2026
8MyHealthONEMyHealthONEFree4.5★ (75K)NoNoOct 2026

Top Picks for Disease Lookup App

Citizen Health#1

Citizen Health by Citizen Health Inc.

AI Advocate for Rare Disease
Editor's Choice
🏥 Medical
5.0(9 ratings)
Free
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This app uses AI to help families navigate rare diseases. It organizes medical history, prepares for appointments with AI-generated notes and summaries, and facilitates data sharing for research. It aims to empower users with confidence in managing their or a loved one's care.

More Disease Lookup App apps to explore

FAQ about Disease Lookup App

What is the best disease lookup app for iPhone?
Citizen Health tops our disease lookup app ranking as of August 2026, with a 5.0-star average from 9 App Store ratings, and it's free to download.
Yes — 19 of the top disease lookup app we rank are free to download, including Citizen Health and Diseases and drugs finder.
Citizen Health has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 247+ disease lookup app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.