# Mariner Check — Monitor your credentials

> Organizes and tracks maritime professional credentials and renewal dates. (iPhone/iPad app by KEVIN M GRAVES.)

- Source: https://appshunter.io/ios/app/mariner-check/id6801565663 (this page in markdown: same URL + `.md`)
- Developer: [KEVIN M GRAVES](https://appshunter.io/developer/1875176384)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 26.5 · 4 MB
- Released: 2026-09-02
- Data updated: 2026-09-12
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/mariner-check/id6801565663/reviews.md

## What is Mariner Check?

Mariner Check helps professional mariners keep important credentials organized and renewal dates visible in one convenient place.

Quick glances on the app or widget to ensure your hitch goes smoothly.

Track your USCG Merchant Mariner Credential, medical certificate, TWIC, TSA PreCheck, flag-state credentials, Dynamic Positioning certificate, Benzene Card, and other custom licenses, courses, or documents.

Key features:

• View valid, upcoming, scheduled, and expired credentials at a glance  
• Set a custom renewal monitoring window for each credential  
• Receive reminders as expiration dates approach  
• Track multiple medical expiration dates, including National, STCW, and Pilot dates  
• Schedule renewal appointments and optionally add them to your calendar  
• See credential status from your Home Screen widget  
• Sync securely across your Apple devices with iCloud  
• Access your information offline  
• Mask credential numbers for additional privacy  
• Store issuing authorities, identification numbers, issue dates, and notes  

Whether you manage one credential or an entire collection of maritime documents, Mariner Check makes it easier to stay prepared and begin renewals on time.

Mariner Check is an organizational tool and does not verify legal, medical, employer, flag-state, or regulatory compliance. Always confirm requirements with the appropriate issuing authority.

#Fort Schuyler

## Key features

- Organize credentials
- Track renewal dates
- Custom renewal windows
- Expiration reminders
- Home Screen widget
- Offline access
- Mask credential numbers


## Frequently asked questions about Mariner Check

### What types of credentials can Mariner Check track?

Mariner Check can track USCG Merchant Mariner Credentials, medical certificates, TWIC, TSA PreCheck, flag-state credentials, Dynamic Positioning certificates, Benzene Cards, and other custom licenses, courses, or documents.

### Does Mariner Check provide reminders for expiring credentials?

Yes, Mariner Check allows you to set custom renewal monitoring windows for each credential and will send you reminders as expiration dates approach.

### Can I see my credential status without opening Mariner Check?

Yes, you can see your credential status directly from your Home Screen widget, providing quick glances to ensure your hitch goes smoothly.

### Is Mariner Check available on multiple devices?

Mariner Check is available on iPhone and iPad and can sync securely across your Apple devices using iCloud.

### Can I access my credential information offline with Mariner Check?

Yes, Mariner Check is designed to allow you to access your important credential information offline, ensuring you have it when you need it.

### Does Mariner Check offer any privacy features for credential numbers?

Yes, Mariner Check includes a feature to mask credential numbers, providing an additional layer of privacy for your sensitive identification information.

### What is the update frequency for Mariner Check?

Mariner Check was last updated on September 2, 2026, with version 1.0. Future updates will likely continue to refine its features and reliability.

### Is Mariner Check free to use?

Yes, Mariner Check is available for free, with no in-app purchases or advertisements, making it a cost-effective tool for mariners.

## Version history (last 1 release)

### 1.0 — 2026-09-02

No release notes.

## More apps by KEVIN M GRAVES

- [Marine Engine Logbook](https://appshunter.io/ios/app/marine-engine-logbook/id6758826850)

All apps by KEVIN M GRAVES: https://appshunter.io/developer/1875176384

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-12.*