# iNavX vs Keeldragger Sailing SoCal

The clearest difference is review sentiment: Keeldragger Sailing SoCal at 100% against iNavX's 44%. Keeldragger Sailing SoCal also leads on in-app purchases (none vs 10) and ads (none vs shown). iNavX's advantage is ratings volume (22K vs 1) and chart position (#102 vs unranked). On price and device support there is nothing between them.

Both are free to download. iNavX sells 10 in-app purchases, starting at $9.99 per month. Keeldragger Sailing SoCal asks for nothing beyond the download.

Keeldragger Sailing SoCal holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: iNavX has 22K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of iNavX's written reviews are positive against 100% of Keeldragger Sailing SoCal's.

iNavX ships an update every 5 weeks, Keeldragger Sailing SoCal every 3 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iNavX | Keeldragger Sailing SoCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (22K ratings)](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keeldragger-sailing-socal/id6800938415/reviews)** |
| Number of ratings | **22K** | 1 |
| Positive reviews | 43.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#102** | — |
| Size | 298 MB | 26 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [NavX Studios LLC](https://appshunter.io/developer/286616283) | [Mark Bunch](https://appshunter.io/developer/6798428818) |

## What reviewers say

### iNavX

[App page](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280)

**Currently charting:** #102 Top Grossing · Navigation (US App Store)

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

**Highlights:** Worldwide marine chart access, Real-time GPS plotting, Waypoint and route management, GRIB weather forecasts, AIS integration, Nautical instrument connectivity

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theyr Premium - Mobile (Monthly) for iOS | $9.99 | per month |
| iNavX Professional+ USA | $29.99 | per year |
| Navionics+ USA/Canada (iPhone) | $29.99 | per year |
| Navionics+ Caribbean (iPhone) | $44.99 | per year |
| Theyr Premium Weather | $49.99 | per year |
| iNavX Professional+ USA Canada | $59.99 | per year |
| C-MAP World Chart | $59.99 | per year |
| Navionics+ USA/Canada (iPad) | $79.99 | per year |
| Navionics+ Caribbean (iPad) | $79.99 | per year |
| AIS Live | $99.99 | per year |

**What reviewers like**

- 🚀 Accurate and precise navigation
- 📊 Comprehensive charting and navigation features
- 🛠️ Customizable instrument settings
- 🔄 Redundancy across devices
- 💨 Reliable performance over many years

**What reviewers complain about**

- 🤔 Clunky and unintuitive user interface
- 🗺️ Cumbersome chart management and downloading
- 🔋 Battery drain issues
- 💰 Expensive subscription model for charts
- 🐛 Stability issues and crashes

**Reported bugs**

- Inability to remove waypoints
- Inconsistent behavior when transitioning International Date Line
- Disappearing or missing chart data

**Requested features**

- Seamless chart switching and panning
- Integrated tidal and current data
- Support for more chart types and providers
- Improved route planning and editing tools
- Automatic chart updates and management


### Keeldragger Sailing SoCal

[App page](https://appshunter.io/ios/app/keeldragger-sailing-socal/id6800938415)

This app provides comprehensive navigation and planning tools for sailors in Southern California, Catalina, and the Channel Islands. It features custom charts, real-time weather, anchorage guidance, and safety zone information, all written by experienced sailors.

**Highlights:** Custom 3D charts from NOAA data, First-hand anchorage guidance and conditions, Mariner's information including Coast Pilot, NWS marine forecasts and buoy reports, AIS target tracking and collision watch, Anchor alarm and Shore Watch functionality, Ship's log with PDF export

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iNavX free?

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

### Is Keeldragger Sailing SoCal free?

Keeldragger Sailing SoCal is free to download, with no in-app purchases.

### Which has better reviews, iNavX or Keeldragger Sailing SoCal?

Keeldragger Sailing SoCal is rated higher. iNavX averages 4.8 out of 5 from 22K ratings, while Keeldragger Sailing SoCal averages 5.0 from 1 ratings.

### Do iNavX or Keeldragger Sailing SoCal have ads?

iNavX shows ads; Keeldragger Sailing SoCal does not.

### Which is updated more often, iNavX or Keeldragger Sailing SoCal?

iNavX ships an update every 5 weeks, and Keeldragger Sailing SoCal every 3 days. Most recently, iNavX was updated on November 9, 2026 and Keeldragger Sailing SoCal 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.*