Comparison

Pediatric OnCall vs Surgery On Call (LANGE)

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Pediatric OnCall

This app provides healthcare professionals with essential medical tools and information. It offers a comprehensive resource for diseases, drug information, medical calculators, diagnostic tools, and a direct line to expert medical advice. Users can access a wealth of pediatric health data and educational content.

Highlights
  • Diseases and Conditions database
  • Over 45 Medical Calculators
  • Drug and Poisoning Information
  • MCQ Quizzes for knowledge testing
  • Ask a Doctor feature
  • Vaccination tracking and reminders
  • Diagnostic and Differential Diagnosis tools
Features
Read full description

Pediatric Oncall app provides to you healthcare professionals all the basic and daily needed important tools!!! All App features are completely free! However users are required to login for complete access! App Tools: Diseases and Conditions, Medical Calculators, Drug and Poisoning Centre, MCQ Quiz, Ask a Doctor, Drug Interaction calculator, Search Directory, Image Gallery, Teaching Files, Conference and CME Centre, Vaccination Centre, Diagnostic Centre, Question of the Day, Pedi Poll, Video Podcasts and Newsletter Updates This App is connected to www.PediatricOncall.com which is a medical website with over 40 tools for medical personnel and also medical information on pediatrics, symptoms, medicine and child health. Register yourself to Pediatric Oncall and access all these features. -- Diseases and Conditions – Introduction, Presentation, Investigations, Treatment, Complications and Patient Education on topics. -- Medical Calculators -- more than 45 calculators which include the categories, growth, conversion, Renal conversions, Pregnancy, Critical Care, Drug Dosage, Diarrhea Solution, Blood Reference, etc. -- Drug and Poisoning Center -- latest updated drugs from A-Z with their Mechanism, Indication, Dosage, Adverse Effects, etc. -- MCQ Quiz -- Practice MCQ’s to test your knowledge on different topics. -- Ask a Doctor -- Pediatric Oncall’s expert panel of doctor’s answer to your medical queries and common FAQ’s. -- Drug Interaction calculator -- Quick checker for Interactions. -- Search Directory – Hospitals, Medical Colleges, Residency, NGO and Special Schools. -- Image Gallery and Teaching Files are part of Pediatric Oncall Journal which is updated with each issue new questions. -- Conference and CME Center -- Upcoming Events List and Conference Abstracts. -- Vaccination Center -- Articles on Immunization & Vaccine Reminder Tool to keep track of your child’s vaccination history with reminders. -- Diagnostic Center -- Get a differential diagnosis after entering the clinical features. -- Question of the Day & Pedi Poll -- Discussions and reviews on the recent updates. -- Video Podcasts -- Pediatric Oncall’s video section with lectures and conference videos. -- Newsletter Updates -- Updates on new articles. For any queries, suggestions and feedback you can mail to us at feedback@pediatriconcall.com *Data services are required to access most sections of the application.

About

Surgery On Call (LANGE)

This app provides quick, on-the-spot treatment advice for over 75 common surgical on-call problems. It offers comprehensive overviews, differential diagnoses, and treatment plans, with a quick reference for commonly used drugs. Content is accessible offline after initial download.

Highlights
  • On-call surgical problem guidance
  • Differential diagnosis
  • Treatment plans
  • Drug reference
  • Offline access
  • SmartSearch technology
Features
Read full description

"Try before you buy" - Download the FREE App, which includes sample content. In-App purchase required to unlock all content. Surgery On Call, 4th Ed. provides mobile healthcare practitioners with the latest in trusted clinical information for more accurate, confident and informed decision-making at point-of-care. On-the-spot treatment advice for more than 75 of the most common surgical on-call problems. Key Features Comprehensive overview of the evaluation and treatment of common problems that present on a surgical service Organized for quick access to essential information you need to manage patients efficiently Differential diagnosis, key laboratory and diagnostic tests, and treatment plans for 75+ common on-call problems Thoroughly updated on-call problems, procedures, and tests reflect current practice and treatment options New medical section offers a quick reference to commonly used drugs No internet connection is required to access the content after the initial download. Find information quickly using powerful SmartSearch technology. Search part of term for those hard to spell medical terms. Content licensed from printed ISBN 10: 0071402543 Content licensed from printed ISBN 13: 978-0071402545 SUBSCRIPTION : Please choose an auto renewable subscription plan to receive content access & continuous updates. Your subscription automatically renews as per your plan, so you always have the latest content. Yearly auto-renewing payments - $39.99 Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscription may be managed by the user & auto-renewal can be disabled at any time by going to your device “Settings” and tapping “iTunes & App Store”. Any unused portion of a free trial period will be forfeited when you purchase a subscription, where applicable. If you have any questions or comments, email us any time: customersupport@skyscape.com or call 508-299-3000 Privacy Policy - https://www.skyscape.com/terms-of-service/privacypolicy.aspx Terms and Conditions - https://www.skyscape.com/terms-of-service/licenseagreement.aspx Editor(s): Alan T. Lefor MD, MPH, FACS & Leonard G. Gomella MD, FACS Publisher: McGraw-Hill

Screenshots

Pediatric OnCall4 screens
Surgery On Call (LANGE)4 screens

Verdict

The call

The clearest difference is rating: Surgery On Call (LANGE) at 5.0 against Pediatric OnCall's 4.1. Surgery On Call (LANGE) also leads on iOS requirement (13.0 vs 16). Pediatric OnCall's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Surgery On Call (LANGE) sells 5 in-app purchases, starting at $31.99 per year. Pediatric OnCall asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Surgery On Call (LANGE) holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Pediatric OnCall has 62 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Pediatric OnCall ships an update every 5 weeks, Surgery On Call (LANGE) every 7 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard7 real differences · 3 level
Pediatric OnCall versus Surgery On Call (LANGE): the parameters behind the verdict, then further details
ParameterPediatric OnCallSurgery On Call (LANGE)
PriceFreeFree
Rating4.1 (62 ratings)5.0 (1 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings62 — better1
Update frequencyEvery 5 weeks — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS1613.0 — better
Further details — not scored
Size153 MB46 MB
Age rating12+17+
DeveloperPediatric Oncall Private LimitedSkyscape Medpresso Inc

Customer experience

Pediatric OnCall

All ratings62 ratings
Positive77.4%
Neutral11.3%
Negative11.3%
Written reviews15 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Surgery On Call (LANGE)

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pediatric OnCall

No in-app purchases

5 purchases

Surgery On Call (LANGE)

Subscriptions4
  • 20% Off - Limited Period Offer$31.991 Year
  • 15% Off -Limited Period Offer$33.991 Year
  • #1 On-call Surgical Problems$34.991 Year
Show 1 more
  • Surgery On Call 1/Y Sub$39.991 Year
One-time1
  • Surgery On Call$39.99

Questions

Is Pediatric OnCall free?
Pediatric OnCall is free to download, with no in-app purchases.
Is Surgery On Call (LANGE) free?
Surgery On Call (LANGE) is free to download, with in-app purchases available.
Which has better reviews, Pediatric OnCall or Surgery On Call (LANGE)?
Surgery On Call (LANGE) is rated higher. Pediatric OnCall averages 4.1 out of 5 from 62 ratings, while Surgery On Call (LANGE) averages 5.0 from 1 ratings.
Do Pediatric OnCall or Surgery On Call (LANGE) have ads?
Surgery On Call (LANGE) shows ads; Pediatric OnCall does not.
Which is updated more often, Pediatric OnCall or Surgery On Call (LANGE)?
Pediatric OnCall ships an update every 5 weeks, and Surgery On Call (LANGE) every 7 months. Most recently, Pediatric OnCall was updated on November 6, 2026 and Surgery On Call (LANGE) on November 2, 2026.

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