# NTRIP STX vs Vessel Offset Measurement Tool

The clearest difference is in-app purchases: Vessel Offset Measurement Tool at none against NTRIP STX's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NTRIP STX sells 2 in-app purchases, starting at $4.49 per month. Vessel Offset Measurement Tool asks for nothing beyond the download.

## The numbers

| Metric | NTRIP STX | Vessel Offset Measurement Tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Size | 109 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ITS Geo Solutions GmbH](https://appshunter.io/developer/1362963860) | [Sarah Grasty](https://appshunter.io/developer/1721269945) |

## What reviewers say

### NTRIP STX

[App page](https://appshunter.io/ios/app/ntrip-stx/id1606816934)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional - Monthly | $4.49 | per month |
| Professional - Annual | $46.99 | per year |


### Vessel Offset Measurement Tool

[App page](https://appshunter.io/ios/app/vessel-offset-measurement-tool/id6474274524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NTRIP STX free?

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

### Is Vessel Offset Measurement Tool free?

Vessel Offset Measurement Tool is free to download, with no in-app purchases.

### Do NTRIP STX or Vessel Offset Measurement Tool have ads?

Neither NTRIP STX nor Vessel Offset Measurement Tool 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.*