# QUiPP vs ORB Calculator

The clearest difference is iOS requirement: ORB Calculator at 9.0 against QUiPP's 15.6. 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 | QUiPP | ORB Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 15 MB | 19 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [King's Mobile](https://appshunter.io/developer/547238250) | [The University of Edinburgh](https://appshunter.io/developer/428517240) |

## What reviewers say

### QUiPP

[App page](https://appshunter.io/ios/app/quipp/id964256400)

This medical tool assists clinicians in predicting spontaneous preterm birth by analyzing fetal fibronectin and cervical length. It is designed for symptomatic women and high-risk asymptomatic women, based on extensive clinical studies.

**Highlights:** Predicts spontaneous preterm birth, Incorporates fetal fibronectin, Analyzes cervical length, For symptomatic women, For high-risk asymptomatic women, Based on clinical studies

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

**In-app purchases:** none


### ORB Calculator

[App page](https://appshunter.io/ios/app/orb-calculator/id1497869769)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QUiPP free?

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

### Is ORB Calculator free?

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

### Do QUiPP or ORB Calculator have ads?

Neither QUiPP nor ORB Calculator 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.*