Harrison’s Internal Med. 21/E app icon
Apple App StoreApp Store data

Harrison’s Internal Med. 21/E

McGraw-Hill Higher EducationMedical0.00 · 0 ratings in United Kingdom
Open store
Publisher
McGraw-Hill Higher Education
Category
Medical
Version
1.2
Last updated
Apr 6, 2024
Public page · no login requiredUpdated Sep 28, 2026, 12:29 AM
Country
All countries combined
Store details come from the GB App Store. Country figures describe that App Store, not where users live.
Period
7D30D
What we estimate
Downloads and revenue
Revenue is what users spend, before Apple's commission. These are estimates, not the developer's numbers.
Last updated
Sep 28, 2026, 12:29 AM
When we last checked this app.
Data quality
No estimate for this period yet
Not enough data yet.

Research answer

What AppTrendKit can say about Harrison’s Internal Med. 21/E today

Harrison’s Internal Med. 21/E has no estimate-backed download or gross-consumer-spend figure that meets the public evidence contract yet.

Observed App Store metadata, chart positions, and history are shown below. Missing, non-finite, undefined-currency, or undefined-metric evidence stays missing rather than becoming zero.

Performance

Downloads, revenue and chart history

Estimates for the last 7D. Chart positions come from the App Store; downloads and revenue are AppTrendKit estimates, shown as a size band (for example 10K–50K) with a confidence level.

Estimated downloads · 30D

Upper limit

Under 500

Below the top 100 in Medical (GB)

The app is not in its category's top 100, so it has less than the app ranked #100 there. We show this limit until we have enough data for an estimate.

Estimated App Store gross consumer spend · 7D

Unavailable

No estimate yet

We only show an estimate once we have enough data. Missing numbers are never shown as zero.

Revenue growth · 30D
—
Download growth · 30D
—
Grossing rank
#80
Free rank
—

History

Collected daily performance

No daily history yet.

No backfilled days
Daily numbers appear after a few days of data.

Rank history

Chart positions

Lower rank is better. Only collected observations are shown.

Sep 27, 2026
Free
—
Paid
—
Grossing
#80

Coverage note

What the ranks mean

A missing rank is not treated as zero downloads or zero revenue. Apple chart feeds are bounded and may return censored or not-ranked observations outside the visible chart depth.

Read the method

Storefront mix

Top countries by estimated contribution · 7D

Country figures cover the days we collected in each country, so they don't add up to the worldwide estimate. Each country shows when it was last updated.

No 7D country-level economics have been persisted for this app yet.

Monetization

How the app makes money

Classification
Paid listing
Price
GBP 249.99
In-app purchases
—
Subscriptions
—

These are listing and product observations. They are not company revenue, subscriber counts, or advertising revenue.

App details

Store metadata

Version
1.2
Released
Jul 28, 2022
Last updated
Apr 6, 2024
Content rating
17+
Default storefront
GB

Public IAP observations

Validated in-app purchase prices

Only persisted rows with an explicit public publication boundary are shown. Missing price, currency, country, or date values stay unknown.

Unavailable
No validated public IAP price observations have been persisted for this app yet.

Listing detail

What the store says

The Voice of Clinical Reason Harrison’s Principles of Internal Medicine is the world's most trusted clinical medicine text―and a superb resource for learning the art and science of clinical reasoning. Recognized by healthcare professionals worldwide as the leading authority on applied pathophysiology and clinical medicine, Harrison’s Principles of Internal Medicine provides the informational foundation you need for the best patient care possible. This new edition is fully updated with timely new chapters and essential updates across the spectrum of internal medicine. Written and edited by the world’s top experts in their respective fields, this landmark guide provides comprehensive, accurate, and essential coverage of the pathogenesis, diagnosis, and treatment of disease. Harrison’s is world-renowned as the most authoritative source for: • Clear, concise schemas that facilitate the generation of differential diagnoses to reason efficiently through complex real world clinical cases • The physiologic and etiologic basis of signs and symptoms, which are covered through a wealth of unsurpassed expert guidance and linked to the disease-specific chapters that follow • Updated clinical trial results and recommended guidelines • Excellent and extensive visual support, including radiographs, clinical photos, schematics, and high-quality drawings • Coverage of both therapeutic approaches and specific treatment regimens • Practical clinical decision trees and algorithms • Organ/system-specific sections, with clinically relevant pathophysiology and practical clinical advice on the approach to the patient, strategies towards building a differential diagnosis, outstanding clinical algorithms and diagnostic schema, a wealth of clinical images and diagrams, current clinical guidelines, and general and specific approaches to therapy Harrison’s remains the most trusted resource in a world influenced by endless sources of medical information. The most timely and comprehensive updates from the world’s top experts are featured in the 21st edition: • Current coverage of the diagnosis and treatment of diseases, from COVID to dementia to sepsis to multiple sclerosis to lung cancer • Updated content that reflects new approved therapeutics and new practice-changing guidelines and evidence summaries • More than 1000 clinical, pathological, and radiographic photographs, diagnostic and therapeutic decision trees, and clear schematics and diagrams describing pathophysiologic processes • Numerous atlases featuring curated collections of important visual aspects of diagnosis and management • Updated and time-saving curation and synthesis of established and new medical literature and studies • Clinically relevant coverage of disease mechanics and pathophysiology, and related therapeutic mechanisms This app is easy to navigate, allowing you to browse the contents or search for keywords and phrases. The search tool will find text, images, tables and videos with one single fast search. The search tool shows you suggested words as you type so it is quick and helps with spelling issues. You can also creating bookmarks, notes, highlights, and change the text size for easier reading. Developed by Usatine Media

Store creative

Screenshots

Harrison’s Internal Med. 21/E screenshot 1
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Harrison’s Internal Med. 21/E screenshot 9
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Harrison’s Internal Med. 21/E screenshot 10
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Competitive set

Similar apps

Deterministic links to real stored apps matched by category, publisher, and comparable performance bands.

Explore the full catalog →

How we estimate

Where every number comes from

App details: Apple iTunes Search API, updated Sep 28, 2026, 12:29 AM.

Rankings: collected chart positions from the listed storefront. Missing ranks are not zeros.

Economics: downloads and gross store consumer spend are estimated, not official Apple or publisher figures.

Model: Lineage not exposed by this aggregate.

Confidence: —; intervals widen when evidence or history is limited.

Last updated: Sep 28, 2026, 12:29 AM.

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See how AppTrendKit separates observations, estimates, coverage, and confidence.

Open methodology
Generated —Public data · no login required