# OR vs ELM Space

The clearest difference is iOS requirement: OR at 12.0 against ELM Space's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | OR | ELM Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/or-stencil/id1440668366/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Free | — |
| Size | 24 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [University of California, Irvine](https://appshunter.io/developer/643200027) | [ELMSpace inc](https://appshunter.io/developer/1597917446) |

## What reviewers say

### OR

[App page](https://appshunter.io/ios/app/or-stencil/id1440668366)

This surgical planning tool allows plastic and reconstructive surgeons to map out local flap surgeries. It helps users learn about flap dynamics and plot Relaxed Skin Tension Lines on any human face.

**Highlights:** Surgical planning for local flaps, Learn about flap dynamics, Plot Relaxed Skin Tension Lines (RSTL), Designed by surgeons, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### ELM Space

[App page](https://appshunter.io/ios/app/elm-space/id1597917444)

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

**In-app purchases:** none


## Frequently asked questions

### Is OR free?

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

### Is ELM Space free?

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

### Do OR or ELM Space have ads?

Neither OR nor ELM Space shows ads.

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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.*