# Maritime Master vs RadarPlot

The clearest difference is in-app purchases: Maritime Master at none against RadarPlot's 1. Maritime Master also leads on update cadence (every 6 weeks vs every 4 months). RadarPlot's advantage is iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

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

Maritime Master ships an update every 6 weeks, RadarPlot every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Maritime Master | RadarPlot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/maritime-master-skipper/id6749545029/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 10 MB | 58 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MARITIME MASTER LIMITED](https://appshunter.io/developer/1107589346) | [Paulina Praciak](https://appshunter.io/developer/1869727950) |

## What reviewers say

### Maritime Master

[App page](https://appshunter.io/ios/app/maritime-master-skipper/id6749545029)

Learn seamanship and small-craft navigation with interactive diagrams and calculators. Practice plotting positions, understanding tides, and mastering navigation techniques. Includes a reference library for essential maritime knowledge.

**Highlights:** Interactive diagrams and calculators, Dead reckoning and estimated position plotting, Tidal height and stream visualization, Position fixing and compass error modules, COLREGs, VHF, and meteorology reference, Speed-time-distance and unit conversion calculators

**Features:** macOS Compatibility

**In-app purchases:** none


### RadarPlot

[App page](https://appshunter.io/ios/app/radarplot-radar-plot-trainer/id6757932413)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is Maritime Master free?

Maritime Master is free to download, with no in-app purchases.

### Is RadarPlot free?

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

### Do Maritime Master or RadarPlot have ads?

Neither Maritime Master nor RadarPlot shows ads.

### Which is updated more often, Maritime Master or RadarPlot?

Maritime Master ships an update every 6 weeks, and RadarPlot every 4 months. Most recently, Maritime Master was updated on October 30, 2026 and RadarPlot 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.*