# Radar Plotting vs Messina Strait Currents

The clearest difference is price: Messina Strait Currents at Free against Radar Plotting's $7.99. Messina Strait Currents also leads on update cadence (every 8 days vs every 5 months). Radar Plotting's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.6). On ads and device support there is nothing between them.

Messina Strait Currents is free to download; Radar Plotting costs $7.99 up front. Messina Strait Currents sells 3 in-app purchases, starting at $3.99 per year. Radar Plotting asks for nothing beyond the download.

Radar Plotting ships an update every 5 months, Messina Strait Currents every 8 days. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Radar Plotting | Messina Strait Currents |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/radar-plotting/id1470598201/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 17 MB | 15 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giacomo Gabriele](https://appshunter.io/developer/1455745031) | [Aldo Buongarzone](https://appshunter.io/developer/445250102) |

## What reviewers say

### Radar Plotting

[App page](https://appshunter.io/ios/app/radar-plotting/id1470598201)

This app offers advanced radar plotting for maritime navigation. It allows users to calculate critical encounter data, plan maneuvers, and analyze complex scenarios with interactive visualizations. Designed for training and decision support, it aids in understanding vessel interactions.

**Highlights:** Kinematic calculations (CPA/TCPA, aspect), True and relative speed estimation, Evasive maneuver planning with COLREG guidance, Rescue and escape scenario planning, Double-target analysis, Current and drift estimation, Interactive radar canvas with playback

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

**In-app purchases:** none


### Messina Strait Currents

[App page](https://appshunter.io/ios/app/messina-strait-currents/id6799481803)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 year | $3.99 | per year |
| 7 days | $0.99 | one-time |
| 1 month | $1.99 | one-time |


## Frequently asked questions

### Is Radar Plotting free?

Radar Plotting costs $7.99, with no in-app purchases.

### Is Messina Strait Currents free?

Messina Strait Currents is free to download, with in-app purchases available.

### Do Radar Plotting or Messina Strait Currents have ads?

Neither Radar Plotting nor Messina Strait Currents shows ads.

### Which is updated more often, Radar Plotting or Messina Strait Currents?

Radar Plotting ships an update every 5 months, and Messina Strait Currents every 8 days. Most recently, Radar Plotting was updated on September 21, 2026 and Messina Strait Currents on September 24, 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.*