# iNavX vs Ramp Radar

The clearest difference is in-app purchases: Ramp Radar at none against iNavX's 11. Ramp Radar also leads on ads (none vs shown). iNavX's advantage is update cadence (every 5 weeks vs every 4 months) and chart position (#110 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. iNavX sells 11 in-app purchases, starting at $9.99 per month. Ramp Radar asks for nothing beyond the download.

iNavX ships an update every 5 weeks, Ramp Radar every 4 months. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | iNavX | Ramp Radar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22K ratings)](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280/reviews)** | — |
| Number of ratings | **22K** | — |
| Positive reviews | 43.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#110** | — |
| Size | 298 MB | 81 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NavX Studios LLC](https://appshunter.io/developer/286616283) | [Curt Ainsworth](https://appshunter.io/developer/1849677483) |

## What reviewers say

### iNavX

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

**Currently charting:** #110 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 (11)**

| 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 |
| Explorer Chartbooks - Bahamas | $69.99 | 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


### Ramp Radar

[App page](https://appshunter.io/ios/app/ramp-radar/id6754698030)

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

**In-app purchases:** none


## Frequently asked questions

### Is iNavX free?

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

### Is Ramp Radar free?

Ramp Radar is free to download, with no in-app purchases.

### Do iNavX or Ramp Radar have ads?

iNavX shows ads; Ramp Radar does not.

### Which is updated more often, iNavX or Ramp Radar?

iNavX ships an update every 5 weeks, and Ramp Radar every 4 months. Most recently, iNavX was updated on September 28, 2026 and Ramp Radar on September 20, 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.*