# Pediatric OnCall vs Surgery On Call (LANGE)

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.

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.

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.

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.

## The numbers

| Metric | Pediatric OnCall | Surgery On Call (LANGE) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (62 ratings)](https://appshunter.io/ios/app/pediatric-oncall/id577709142/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surgery-on-call-lange/id1238602004/reviews)** |
| Number of ratings | **62** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 153 MB | 46 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [Pediatric Oncall Private Limited](https://appshunter.io/developer/570911704) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### Pediatric OnCall

[App page](https://appshunter.io/ios/app/pediatric-oncall/id577709142)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Surgery On Call (LANGE)

[App page](https://appshunter.io/ios/app/surgery-on-call-lange/id1238602004)

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:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20% Off - Limited Period Offer | $31.99 | per year |
| 15% Off -Limited Period Offer | $33.99 | per year |
| #1 On-call Surgical Problems | $34.99 | per year |
| Surgery On Call 1/Y Sub | $39.99 | per year |
| Surgery On Call | $39.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*