# EBMcalc Kidney vs Orthopedic Surgery Techniques

The clearest difference is update cadence: Orthopedic Surgery Techniques at every 4 months against EBMcalc Kidney's every 33 months. EBMcalc Kidney's advantage is price ($4.99 vs $9.99) and iOS requirement (10.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

EBMcalc Kidney costs $4.99 and Orthopedic Surgery Techniques $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EBMcalc Kidney ships an update every 33 months, Orthopedic Surgery Techniques every 4 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | EBMcalc Kidney | Orthopedic Surgery Techniques |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ebmcalc-kidney/id358060034/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 4 MB | 25 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Foundation Internet Services, LLC](https://appshunter.io/developer/303471468) | [Ahmad Al Hariri](https://appshunter.io/developer/1648019898) |

## What reviewers say

### EBMcalc Kidney

[App page](https://appshunter.io/ios/app/ebmcalc-kidney/id358060034)

This medical calculator provides nephrologists with essential equations and dose/unit converters for daily use. It supports evidence-based medicine by offering a comprehensive resource for kidney-related calculations, putting vital tools in the palm of your hand.

**Highlights:** Comprehensive medical calculator, Nephrology-specific equations, Dose and unit converters, Evidence-based medicine support, Over 50 included calculations, Portable resource

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Orthopedic Surgery Techniques

[App page](https://appshunter.io/ios/app/orthopedic-surgery-techniques/id6449698747)

**In-app purchases:** none


## Frequently asked questions

### Is EBMcalc Kidney free?

EBMcalc Kidney costs $4.99, with no in-app purchases.

### Is Orthopedic Surgery Techniques free?

Orthopedic Surgery Techniques costs $9.99, with no in-app purchases.

### Do EBMcalc Kidney or Orthopedic Surgery Techniques have ads?

Neither EBMcalc Kidney nor Orthopedic Surgery Techniques shows ads.

### Which is updated more often, EBMcalc Kidney or Orthopedic Surgery Techniques?

EBMcalc Kidney ships an update every 33 months, and Orthopedic Surgery Techniques every 4 months. Most recently, EBMcalc Kidney was updated on October 27, 2026 and Orthopedic Surgery Techniques on October 19, 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.*