# Argo Navigation vs Keeldragger Sailing SoCal

The clearest difference is in-app purchases: Keeldragger Sailing SoCal at none against Argo Navigation's 4. Keeldragger Sailing SoCal also leads on review sentiment (100% vs 85%). Argo Navigation's advantage is ratings volume (6.2K vs 1) and chart position (#96 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Argo Navigation sells 4 in-app purchases, starting at $2.99 per month. Keeldragger Sailing SoCal asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Argo Navigation against 5.0 for Keeldragger Sailing SoCal. That said, the two scores are not equally well evidenced: Argo Navigation has 6.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 85% of Argo Navigation's written reviews are positive against 100% of Keeldragger Sailing SoCal's.

Argo Navigation ships an update every 4 days, Keeldragger Sailing SoCal every 3 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Argo Navigation | Keeldragger Sailing SoCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (6.2K ratings)](https://appshunter.io/ios/app/argo-navigation-boat-gps-map/id1463869636/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keeldragger-sailing-socal/id6800938415/reviews)** |
| Number of ratings | **6.2K** | 1 |
| Positive reviews | 84.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Best chart rank | **#96** | — |
| Size | 139 MB | 26 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [ARGO TECHNOLOGIES, LLC](https://appshunter.io/developer/1463869635) | [Mark Bunch](https://appshunter.io/developer/6798428818) |

## What reviewers say

### Argo Navigation

[App page](https://appshunter.io/ios/app/argo-navigation-boat-gps-map/id1463869636)

**Currently charting:** #96 Top Grossing · Navigation (US App Store)

This free marine navigation app provides NOAA charts, depth surveys, and points of interest for US waters. It allows users to plot routes, share locations, and access community-reported hazards. Premium features offer advanced routing, weather forecasts, and tide predictions.

**Highlights:** NOAA charts and USACE depth surveys, 500,000+ marinas, anchorages, and fuel docks, Community-reported hazards, Route plotting with ETA and fuel use, Live location sharing, Offline chart downloads, Marine weather and tides

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Canada Charts | $2.99 | per month |
| Argo Premium Monthly | $6.99 | per month |
| Argo Canada Charts | $9.99 | per year |
| Argo Premium | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate navigation
- 💡 Helpful social features
- 🔋 Good battery life
- 🔒 Reliable app performance

**What reviewers complain about**

- 🐛 Occasional app crashes
- 🗺️ Limited map coverage in some areas
- 🔍 Difficulty finding certain locations

**Reported bugs**

- Login/account creation issues
- Slow map loading times

**Requested features**

- Improved offline map capabilities
- Integration with marine weather data
- Enhanced route planning tools


### 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 Argo Navigation free?

Argo Navigation 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, Argo Navigation or Keeldragger Sailing SoCal?

Keeldragger Sailing SoCal is rated higher. Argo Navigation averages 4.9 out of 5 from 6.2K ratings, while Keeldragger Sailing SoCal averages 5.0 from 1 ratings.

### Do Argo Navigation or Keeldragger Sailing SoCal have ads?

Neither Argo Navigation nor Keeldragger Sailing SoCal shows ads.

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

Argo Navigation ships an update every 4 days, and Keeldragger Sailing SoCal every 3 days. Most recently, Argo Navigation was updated on November 7, 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.*