# ECDIS NAUTICAL CHART SYMBOLS vs Radar Plotting

The clearest difference is review sentiment: ECDIS NAUTICAL CHART SYMBOLS at 100% against Radar Plotting's 50%. ECDIS NAUTICAL CHART SYMBOLS also leads on price ($1.99 vs $7.99). Radar Plotting's advantage is rating (5.0 vs 1.0) and update cadence (every 5 months vs every 78 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

ECDIS NAUTICAL CHART SYMBOLS costs $1.99 and Radar Plotting $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Radar Plotting holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 100% of ECDIS NAUTICAL CHART SYMBOLS's written reviews are positive against 50% of Radar Plotting's, so the app with the better star average is not the one people write more warmly about.

ECDIS NAUTICAL CHART SYMBOLS ships an update every 78 months, Radar Plotting every 5 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ECDIS NAUTICAL CHART SYMBOLS | Radar Plotting |
| --- | --- | --- |
| Price | **$1.99** | $7.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ecdis-nautical-chart-symbols/id712286784/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/radar-plotting/id1470598201/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 78 months | **Every 5 months** |
| Monetization | Paid | Paid |
| Size | 39 MB | 17 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Other Hat](https://appshunter.io/developer/573973071) | [Giacomo Gabriele](https://appshunter.io/developer/1455745031) |

## What reviewers say

### ECDIS NAUTICAL CHART SYMBOLS

[App page](https://appshunter.io/ios/app/ecdis-nautical-chart-symbols/id712286784)

A comprehensive reference guide to symbols used on electronic nautical charts, based on IHO specifications. It offers quick lookup, detailed graphics, and offline access for navigation and revision.

**Highlights:** Reference guide to INT 1 symbols, Fully searchable index, Tap & Enlarge feature, Offline access, Bonus emergency tips

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ECDIS NAUTICAL CHART SYMBOLS free?

ECDIS NAUTICAL CHART SYMBOLS costs $1.99, with no in-app purchases.

### Is Radar Plotting free?

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

### Which has better reviews, ECDIS NAUTICAL CHART SYMBOLS or Radar Plotting?

Radar Plotting is rated higher. ECDIS NAUTICAL CHART SYMBOLS averages 1.0 out of 5 from 1 ratings, while Radar Plotting averages 5.0 from 1 ratings.

### Do ECDIS NAUTICAL CHART SYMBOLS or Radar Plotting have ads?

Neither ECDIS NAUTICAL CHART SYMBOLS nor Radar Plotting shows ads.

### Which is updated more often, ECDIS NAUTICAL CHART SYMBOLS or Radar Plotting?

ECDIS NAUTICAL CHART SYMBOLS ships an update every 78 months, and Radar Plotting every 5 months. Most recently, ECDIS NAUTICAL CHART SYMBOLS was updated on October 29, 2026 and Radar Plotting on October 26, 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.*