# Qastor vs OrSoft Mariner PRO

The clearest difference is iOS requirement: Qastor at 15.0 against OrSoft Mariner PRO's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Qastor sells 3 in-app purchases, starting at $619.00 per year and OrSoft Mariner PRO sells 2 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Qastor | OrSoft Mariner PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 257 MB | 78 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quality Positioning Services](https://appshunter.io/developer/1449631902) | [Muhammet Salim ORHANLI](https://appshunter.io/developer/6813598063) |

## What reviewers say

### Qastor

[App page](https://appshunter.io/ios/app/qastor/id1449631903)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Navigation | $619.00 | per year |
| Navigation + Docking | $989.00 | per year |
| 14-day Trial | Free | one-time |


### OrSoft Mariner PRO

[App page](https://appshunter.io/ios/app/orsoft-mariner-pro/id6813598061)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mariner PRO Annual | $29.99 | per year |
| Mariner PRO Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Qastor free?

Qastor is free to download, with in-app purchases available.

### Is OrSoft Mariner PRO free?

OrSoft Mariner PRO is free to download, with in-app purchases available.

### Do Qastor or OrSoft Mariner PRO have ads?

Neither Qastor nor OrSoft Mariner PRO 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.*