Barnhill's Derm. Challenge
Usatine & Erickson Media LLC
Getting the latest details from the App Store…
Usatine & Erickson Media LLC
Getting the latest details from the App Store…
The only fully-illustrated, full-color, question and answer review of dermatologic pathology Barnhill’s Dermatopathology Challenge: Self- Assessment & Review provides you with both a practical self-assessment tool and a comprehensive review, all in one compact volume. Covering pertinent clinical and histopathologic encountered in private and academic dermatopathology practice, it enables you to gain a comprehensive understanding of this critical subspecialty area. This unique book tests your…
Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.
Higher on the chart is better: #1 is at the top.
Sign in to see 30 days, 90 days and all history.
United States · Paid · Medical: best #21, latest #21, over 7 snapshots since 29 Oct.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| United States· Paid · Medical · best #21 · 1 day | #21 |
Top of Paid · Medical in United States. Barnhill's Derm. Challenge is #21 there. Changes are over 7 days.
| App | Best rank now | Released | App Store |
|---|---|---|---|
 Pulmonary Disease Board ReviewMedical · | Paid · MedicalCanada#34 | ||
 Basic Concepts Pharmacology 6EMedical · | Not charting | ||
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 The NeuroICU Board ReviewMedical · | Not charting | ||
 Atlas Emergency Ultrasound, 2EMedical · | Not charting | ||
 Tintinalli's ER ManualMedical · | Not charting | ||
 Dermoscopy Self-Assessment 2/EMedical · | Not charting | ||
 Review of Plastic SurgeryMedical · | Not charting | ||
 Physician Assistant Review 3/EMedical · | Not charting | ||
 Pediatrics CCS USMLE Step 3Medical · | Not charting |
As of 4 Nov 2026, Barnhill's Derm. Challenge is #21 in Paid · Medical in the United States, its best of 2 chart positions across 1 country.
What Apple publishes about this app. Ratings are from one country's App Store.
Higher on the chart is better: #1 is at the top.
Sign in to see 30 days, 90 days and all history.
United States · Paid · Medical: best #21, latest #21, over 7 snapshots since 29 Oct.
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| United States· Paid · Medical · best #21 · 1 day | #21 |
Entries, big moves, #1s and new versions we've recorded, by day.
Top of Paid · Medical in United States. Barnhill's Derm. Challenge is #21 there. Changes are over 7 days.
From the app's App Store listing.
The only fully-illustrated, full-color, question and answer review of dermatologic pathology
Barnhill’s Dermatopathology Challenge: Self- Assessment & Review provides you with both a practical self-assessment tool and a comprehensive review, all in one compact volume. Covering pertinent clinical and histopathologic encountered in private and academic dermatopathology practice, it enables you to gain a comprehensive understanding of this critical subspecialty area.
This unique book tests your…
Their other apps that Appulse has seen in the charts, charting ones first.
| App | Best rank now | Released | App Store |
|---|---|---|---|
Pulmonary Disease Board ReviewMedical · | Paid · MedicalCanada#34 | ||
Basic Concepts Pharmacology 6EMedical · | Not charting | ||
Family Med. Board Review 5/EMedical · | Not charting | ||
Harrison’s Manual of Med. 20/EMedical · | Not charting | ||
Eng-Span Medical Dictionary 4EMedical · | Not charting | ||
The NeuroICU Board ReviewMedical · | Not charting | ||
Atlas Emergency Ultrasound, 2EMedical · | Not charting | ||
Tintinalli's ER ManualMedical · | Not charting | ||
Dermoscopy Self-Assessment 2/EMedical · | Not charting | ||
Review of Plastic SurgeryMedical · | Not charting | ||
Physician Assistant Review 3/EMedical · | Not charting | ||
Pediatrics CCS USMLE Step 3Medical · | Not charting |
Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.
| Not enough history yet |
| Not enough history yet |
| #21 |
| #21 |
| 1 |
| 1 |
| United States· Grossing · Medical · best #61 · 1 day | #61 | New entry | Not enough history yet | #61 | 1 |
| United States· Grossing · Medical · best #61 · 1 day | #61 | New entry | Not enough history yet | #61 | 1 |