# Surgery On Call (LANGE) vs Plexus Surgery

The clearest difference is ads: Plexus Surgery at none against Surgery On Call (LANGE)'s shown. Surgery On Call (LANGE)'s advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases 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 and Plexus Surgery sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Surgery On Call (LANGE) ships an update every 7 months, Plexus Surgery every 5 months. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Surgery On Call (LANGE) | Plexus Surgery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surgery-on-call-lange/id1238602004/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 7 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [CALCUTTA CHIRURGIAE COLLECTIVE LLP](https://appshunter.io/developer/1568542382) |

## What reviewers say

### 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 |


### Plexus Surgery

[App page](https://appshunter.io/ios/app/plexus-surgery/id1568542379)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months & Bootcamp | $149.99 | one-time |
| 6 months | $299.99 | one-time |
| 1 Year | $499.99 | one-time |
| 2 Years | $799.99 | one-time |


## Frequently asked questions

### Is Surgery On Call (LANGE) free?

Surgery On Call (LANGE) is free to download, with in-app purchases available.

### Is Plexus Surgery free?

Plexus Surgery is free to download, with in-app purchases available.

### Do Surgery On Call (LANGE) or Plexus Surgery have ads?

Surgery On Call (LANGE) shows ads; Plexus Surgery does not.

### Which is updated more often, Surgery On Call (LANGE) or Plexus Surgery?

Surgery On Call (LANGE) ships an update every 7 months, and Plexus Surgery every 5 months. Most recently, Surgery On Call (LANGE) was updated on October 13, 2026 and Plexus Surgery on October 27, 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.*