# Altitude Correction vs PayXpress App

The clearest difference is iOS requirement: Altitude Correction at 9.3 against PayXpress App's 13.0. 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 | Altitude Correction | PayXpress App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 18 MB | 29 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steger Grafix](https://appshunter.io/developer/376828168) | [Xpress Payment Solution Limited](https://appshunter.io/developer/1425875481) |

## What reviewers say

### Altitude Correction

[App page](https://appshunter.io/ios/app/altitude-correction/id1355616984)

**Features:** macOS Compatibility

**In-app purchases:** none


### PayXpress App

[App page](https://appshunter.io/ios/app/payxpress-app/id6749568873)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Altitude Correction free?

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

### Is PayXpress App free?

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

### Do Altitude Correction or PayXpress App have ads?

Neither Altitude Correction nor PayXpress App 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.*