Mariner Check
Monitor your credentials
About
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.
What's New in Mariner Check
1.0
September 2, 2026
Developer apps
FAQ
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.