# Sea Breeze vs Maritime Master

The clearest difference is review sentiment: Sea Breeze at 100% against Maritime Master's 0%. Sea Breeze also leads on in-app purchases (none vs 1). Maritime Master's advantage is price (Free vs $0.29) and update cadence (daily vs every 13 months). On ads, device support and iOS requirement there is nothing between them.

Maritime Master is free to download; Sea Breeze costs $0.29 up front. Maritime Master sells 1 one-off in-app purchase. Sea Breeze asks for nothing beyond the download.

Sea Breeze ships an update every 13 months, Maritime Master daily. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Sea Breeze | Maritime Master |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/maritime-master-calcdeck/id6760967809/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 7 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Vladyslav Yarmak](https://appshunter.io/developer/1456545549) | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) |

## What reviewers say

### Sea Breeze

[App page](https://appshunter.io/ios/app/sea-breeze/id6445898579)

This application calculates true wind conditions using a ship's heading and speed, along with relative wind data. It provides accurate true wind direction and speed for maritime navigation.

**Highlights:** True wind calculation, Ship heading input, Ship speed input, Relative wind direction input, Relative wind speed input

**Features:** Vision Pro support

**In-app purchases:** none


### Maritime Master

[App page](https://appshunter.io/ios/app/maritime-master-calcdeck/id6760967809)

This app provides a comprehensive suite of 88 professional maritime calculators for navigation, celestial observation, tides, stability, weather, engineering, and more. It's designed for maritime professionals and enthusiasts, offering offline functionality and citing all formulas with their official sources.

**Highlights:** 88 professional maritime calculators, Offline functionality, Navigation calculations, Celestial observation tools, Stability and cargo calculations, Unit converters

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcDeck Pro | $14.99 | one-time |


## Frequently asked questions

### Is Sea Breeze free?

Sea Breeze costs $0.29, with no in-app purchases.

### Is Maritime Master free?

Maritime Master is free to download, with in-app purchases available.

### Do Sea Breeze or Maritime Master have ads?

Neither Sea Breeze nor Maritime Master shows ads.

### Which is updated more often, Sea Breeze or Maritime Master?

Sea Breeze ships an update every 13 months, and Maritime Master daily. Most recently, Sea Breeze was updated on September 10, 2026 and Maritime Master on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*