# Sensar Marine vs Mariner Check

The clearest difference is ratings volume: Sensar Marine at 4 against Mariner Check's 1. Sensar Marine also leads on iOS requirement (13.0 vs 26.5). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Sensar Marine against 5.0 for Mariner Check. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Sensar Marine | Mariner Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/sensar-marine/id1445189707/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mariner-check/id6801565663/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | Free |
| Size | 66 MB | 4 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sensar Marine AS](https://appshunter.io/developer/1445189706) | [KEVIN M GRAVES](https://appshunter.io/developer/1875176384) |

## What reviewers say

### Sensar Marine

[App page](https://appshunter.io/ios/app/sensar-marine/id1445189707)

This app provides 24/7 monitoring of your boat's critical systems, sending SMS alerts for issues like battery changes, water levels, or bilge pump activity. It also automatically records trip data including position, speed, and heading, making boat management convenient.

**Highlights:** 24/7 boat system monitoring, Critical system alerts via SMS, Historical vitals and trip data, Geofence breach notifications, Automatic trip data recording, Boat overview on mobile

**Features:** macOS Compatibility

**In-app purchases:** none


### Mariner Check

[App page](https://appshunter.io/ios/app/mariner-check/id6801565663)

Organize professional mariner credentials and track renewal dates. View status at a glance, set custom reminders, and manage multiple document types. Stay prepared for renewals with this convenient organizational tool.

**Highlights:** Organize credentials, Track renewal dates, Custom renewal windows, Expiration reminders, Home Screen widget, Offline access, Mask credential numbers

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensar Marine free?

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

### Is Mariner Check free?

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

### Which has better reviews, Sensar Marine or Mariner Check?

Sensar Marine and Mariner Check are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Sensar Marine or Mariner Check have ads?

Neither Sensar Marine nor Mariner Check 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.*