# NAUTICAL CHART SYMBOLS GUIDE vs Navionics® Boating

The clearest difference is price: Navionics® Boating at Free against NAUTICAL CHART SYMBOLS GUIDE's $1.99. Navionics® Boating also leads on update cadence (every 6 weeks vs every 80 months) and ratings volume (2.4K vs 2). NAUTICAL CHART SYMBOLS GUIDE's advantage is rating (3.5 vs 2.9) and in-app purchases (none vs 15). On ads and device support there is nothing between them.

Navionics® Boating is free to download; NAUTICAL CHART SYMBOLS GUIDE costs $1.99 up front. Navionics® Boating sells 15 in-app purchases, starting at $49.99 per year. NAUTICAL CHART SYMBOLS GUIDE asks for nothing beyond the download.

NAUTICAL CHART SYMBOLS GUIDE holds the better App Store score, 3.5 against 2.9. That said, the two scores are not equally well evidenced: Navionics® Boating has 2.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of NAUTICAL CHART SYMBOLS GUIDE's written reviews are positive against 22% of Navionics® Boating's.

NAUTICAL CHART SYMBOLS GUIDE ships an update every 80 months, Navionics® Boating every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NAUTICAL CHART SYMBOLS GUIDE | Navionics® Boating |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/nautical-chart-symbols-guide/id687296241/reviews)** | [2.9 (2.4K ratings)](https://appshunter.io/ios/app/navionics-boating/id744920098/reviews) |
| Number of ratings | 2 | **2.4K** |
| Positive reviews | **50.0% of reviews** | 22.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 80 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#5** |
| Size | 41 MB | 154 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Other Hat](https://appshunter.io/developer/573973071) | [Garmin](https://appshunter.io/developer/411046952) |

## What reviewers say

### NAUTICAL CHART SYMBOLS GUIDE

[App page](https://appshunter.io/ios/app/nautical-chart-symbols-guide/id687296241)

This app provides a comprehensive reference for nautical chart symbols and abbreviations, including international standards and supplementary national symbols. It's designed for learning, revision, and quick lookups with a searchable index and offline access.

**Highlights:** International Hydrographic Organization (IHO) symbols, Supplementary US and UK national symbols, Fully searchable index, Tap & Enlarge feature, Offline access, Bonus emergency tips

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

**In-app purchases:** none


### Navionics® Boating

[App page](https://appshunter.io/ios/app/navionics-boating/id744920098)

**Currently charting:** #5 Top Grossing · Navigation, #138 Top Free · Navigation (US App Store)

Access detailed nautical charts and advanced boating features offline on your mobile device. Plan trips with dock-to-dock guidance, check weather and tides, and connect with a community of boaters. Ideal for cruising, fishing, sailing, and diving.

**Highlights:** Offline nautical charts, HD bathymetry maps, Dock-to-dock route planning, Weather and tide forecasts, Community edits and recommendations, Track recording and sharing

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Norway | $49.99 | per year |
| Baltic Sea | $49.99 | per year |
| Australia & New Zealand | $49.99 | per year |
| Africa & Middle East | $49.99 | per year |
| Mexico, Caribbean to Brazil | $49.99 | per year |
| Indian Ocean and South China | $49.99 | per year |
| Pacific Islands | $49.99 | per year |
| US & Canada | $49.99 | per year |
| UK, Ireland & Holland | $49.99 | per year |
| Chile, Argentina&Easter Island | $49.99 | per year |
| China Sea & Japan | $49.99 | per year |
| Central and West Europe | $59.99 | per year |
| Mediterranean & Black Sea | $59.99 | per year |
| Adriatic & Ionian Seas | $69.99 | per year |
| Scandinavia S. & Germany N. | $99.99 | per year |

**What reviewers like**

- 🚀 Great navigation app
- 🗺️ Detailed charts and maps
- ⚓ Useful for boating and sailing
- 💰 Good value for money

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Login issues and unreliable offline access
- 💰 Expensive subscription model
- 🗺️ Inaccurate or outdated map data

**Reported bugs**

- GPS signal loss and position tracking issues
- Inability to download or access previously purchased maps
- Constant requirement to log in, even offline

**Requested features**

- Add anchor alarm feature
- Improve route planning and waypoint functionality
- Provide better support for multiple devices
- Enhance user interface and customization options


## Frequently asked questions

### Is NAUTICAL CHART SYMBOLS GUIDE free?

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

### Is Navionics® Boating free?

Navionics® Boating is free to download, with in-app purchases available.

### Which has better reviews, NAUTICAL CHART SYMBOLS GUIDE or Navionics® Boating?

NAUTICAL CHART SYMBOLS GUIDE is rated higher. NAUTICAL CHART SYMBOLS GUIDE averages 3.5 out of 5 from 2 ratings, while Navionics® Boating averages 2.9 from 2.4K ratings.

### Do NAUTICAL CHART SYMBOLS GUIDE or Navionics® Boating have ads?

Neither NAUTICAL CHART SYMBOLS GUIDE nor Navionics® Boating shows ads.

### Which is updated more often, NAUTICAL CHART SYMBOLS GUIDE or Navionics® Boating?

NAUTICAL CHART SYMBOLS GUIDE ships an update every 80 months, and Navionics® Boating every 6 weeks. Most recently, NAUTICAL CHART SYMBOLS GUIDE was updated on October 29, 2026 and Navionics® Boating on October 30, 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.*