Marine Converter

David Koenig Productivity iPhoneiPadiPod touchMac

Marine Converter is a paid Productivity app for iPhone and iPad by David Koenig. Requires iOS 13.0. Updated January 26, 2026.

Price: 0.99 USD; on the App Store
Size: 8 MB; Age 4+
Updated: Jan 26; 2026 · v1.4

Download on theApp Store See alternatives

Screenshots

About Marine Converter

The Marine Converter App converts the nautical units. A wonderful companion for quickly and easily calculating the units at sea or on land. The app is available worldwide in English and German. - Convert Distance Units (miles, etc.) - Convert Velocity Units (knots, etc.) - Enter Beaufort Scale Number for Information - Convert Coordinates Units (degree decimal, etc.) - See Coordinates on a Map (Maps App) - Copy your Units to the Clipboard - Widget for your Beaufort Scale (iOS/iPadOS 14.1 & macOS 11.1) - supports dark and light mode In addition, the app is constantly being improved and updates are provided.

What’s new

Version 1.4 · Updated January 26, 2026

- Minor design change for copying the unit - Contact link changed - Minor changes and improvements

App privacy

The developer, David Koenig, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Marine Converter is a paid Productivity app for iPhone, iPad, iPod touch and Mac, developed by David Koenig. It requires iOS 13.0 or later, is 8 MB to download and is available in 2 languages. It was first released on January 7, 2022 and last updated on January 26, 2026.

Category: Productivity
Price: 0.99 USD
Version: 1.4
Size: 8 MB
Requires: iOS 13.0 or later
Compatibility: iPhone, iPad, iPod touch, Mac
Languages: English, German
Age rating: 4+
Released: January 7, 2022
Last updated: January 26, 2026
Developer: David Koenig

View on the App Store

Build an app like Marine Converter

Get a ready prompt for Claude Code, Cursor or Lovable: its features and business model, and what its users complain about, for an original app of your own.

Make the prompt →

Is this your app?

Give it a free website

Landing page, privacy policy and app-ads.txt, generated from your store listing.

Create it free

Alternatives to Marine Converter

Looking for apps like Marine Converter? Here are 6 similar apps on the App Store. The highest rated is Brainy Donkey (5.0/5), and 4 of the 6 are free to download.

Marine Converter vs. alternatives
App	Rating	Price	Last updated	Compare
Marine Converter	–	0.99 USD	January 26, 2026
Brainy Donkey	5.0 / 5 (1)	Free	Jul 25, 2024	Compare
ClawTalk	4.5 / 5 (4)	2.99 USD	May 18, 2026	Compare
Speed Converter - Speedcon	–	Free	Oct 12, 2026	Compare
Simpletext	4.1 / 5 (23)	14.99 USD	Jun 20, 2026	Compare
urlaubsverwaltung.cloud	–	Free	Jan 31, 2026	Compare
Text Scanner – OCR	–	Free	Dec 11, 2025	Compare

Compare Marine Converter with the top alternatives: ratings, updates, ASO score and keyword gaps →