# Volvo Penta Connect vs Maritime Master

The clearest difference is in-app purchases: Volvo Penta Connect at none against Maritime Master's 1. Maritime Master's advantage is update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Maritime Master sells 1 one-off in-app purchase. Volvo Penta Connect asks for nothing beyond the download.

Volvo Penta Connect ships an update every 2 months, Maritime Master daily. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Volvo Penta Connect | Maritime Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/maritime-master-calcdeck/id6760967809/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | — | Free |
| Size | 16 MB | 7 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [AB Volvo Penta](https://appshunter.io/developer/533116563) | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) |

## What reviewers say

### Volvo Penta Connect

[App page](https://appshunter.io/ios/app/volvo-penta-connect/id6469306435)

**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 Volvo Penta Connect free?

Volvo Penta Connect is free to download, with no in-app purchases.

### Is Maritime Master free?

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

### Do Volvo Penta Connect or Maritime Master have ads?

Neither Volvo Penta Connect nor Maritime Master shows ads.

### Which is updated more often, Volvo Penta Connect or Maritime Master?

Volvo Penta Connect ships an update every 2 months, and Maritime Master daily. Most recently, Volvo Penta Connect was updated on October 27, 2026 and Maritime Master on October 31, 2026.

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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.*