# Preop Eval vs Scolio

The clearest difference is iOS requirement: Scolio at 13.0 against Preop Eval's 16.6. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Preop Eval against 5.0 for Scolio. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

## The numbers

| Metric | Preop Eval | Scolio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/preop-eval/id374154834/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/scolio-digital-scoliometer/id6478386576/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | Free |
| Size | 15 MB | 7 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [United Health Services, Inc.](https://appshunter.io/developer/1451318916) | [Freely Bee](https://appshunter.io/developer/1824925156) |

## What reviewers say

### Preop Eval

[App page](https://appshunter.io/ios/app/preop-eval/id374154834)

This app provides guidance for evaluating and preparing adult patients for non-cardiac surgery. It includes algorithms and resources on medication management, cardiac event timing, and preoperative testing, serving as both a reference and a teaching tool for medical professionals.

**Highlights:** Cardiac evaluation algorithm, Medication guidance (starting/stopping), Surgery timing after cardiac events, Preoperative testing recommendations, Review for students and residents, Perioperative insulin management

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

**In-app purchases:** none


### Scolio

[App page](https://appshunter.io/ios/app/scolio-digital-scoliometer/id6478386576)

This medical tool uses smartphone technology to measure spinal curvatures for scoliosis management. It offers a simple, digital approach to assessing scoliosis, intended for personal use or with professional guidance. The app is free and available on iOS devices.

**Highlights:** Digital scoliometer functionality, Measures spinal curvatures, Utilizes smartphone technology, Aids in scoliosis management, Free to download and use

**In-app purchases:** none


## Frequently asked questions

### Is Preop Eval free?

Preop Eval is free to download, with no in-app purchases.

### Is Scolio free?

Scolio is free to download, with no in-app purchases.

### Which has better reviews, Preop Eval or Scolio?

Preop Eval and Scolio are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Preop Eval or Scolio have ads?

Neither Preop Eval nor Scolio shows ads.

---

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