# iNavX vs PRO CHARTS

The clearest difference is ads: PRO CHARTS at none against iNavX's shown. iNavX's advantage is review sentiment (44% vs 27%) and rating (4.8 vs 4.5). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. iNavX sells 10 in-app purchases, starting at $9.99 per month and PRO CHARTS sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

iNavX holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 22K and 8.5K respectively. Written reviews point the same way: 44% of iNavX's written reviews are positive against 27% of PRO CHARTS's.

iNavX ships an update every 5 weeks, PRO CHARTS every 2 months. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | iNavX | PRO CHARTS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22K ratings)](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280/reviews)** | [4.5 (8.5K ratings)](https://appshunter.io/ios/app/pro-charts-marine-navigation/id451093694/reviews) |
| Number of ratings | **22K** | 8.5K |
| Positive reviews | **43.8% of reviews** | 27.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#131** | #191 |
| Size | 298 MB | 48 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NavX Studios LLC](https://appshunter.io/developer/286616283) | [MiraTrex, Inc.](https://appshunter.io/developer/814855898) |

## What reviewers say

### iNavX

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

**Currently charting:** #131 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


### PRO CHARTS

[App page](https://appshunter.io/ios/app/pro-charts-marine-navigation/id451093694)

**Currently charting:** #191 Top Grossing · Navigation (US App Store)

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

**Highlights:** High-resolution NOAA nautical charts, Offline chart access, Waypoint and route creation, Buddy tracking, Float plan sharing, Point-and-steer navigation, Track recording

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Auto Renewing Subscription | $2.99 | per month |
| 1 Year Auto Renewing Subscription | $29.99 | per year |
| Brazil - Nautical Charts | $4.99 | one-time |
| 1 Year Subscription | $29.99 | one-time |

**What reviewers like**

- 🚀 Great for navigation
- 🗺️ Helpful for coastal areas
- 👍 Useful app overall

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- ⚠️ Subscription issues and hidden costs
- 🌐 Lacks coverage for non-US regions
- 🔒 Poor account management and support

**Reported bugs**

- Charts not loading or disappearing
- Subscription not recognized
- Login/account issues

**Requested features**

- Offline map downloads
- Depth and hazard data
- Better route planning tools


## Frequently asked questions

### Is iNavX free?

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

### Is PRO CHARTS free?

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

### Which has better reviews, iNavX or PRO CHARTS?

iNavX is rated higher. iNavX averages 4.8 out of 5 from 22K ratings, while PRO CHARTS averages 4.5 from 8.5K ratings.

### Do iNavX or PRO CHARTS have ads?

iNavX shows ads; PRO CHARTS does not.

### Which is updated more often, iNavX or PRO CHARTS?

iNavX ships an update every 5 weeks, and PRO CHARTS every 2 months. Most recently, iNavX was updated on November 4, 2026 and PRO CHARTS on November 2, 2026.

### Which is more popular, iNavX or PRO CHARTS?

iNavX currently peaks at #131 in the App Store charts, and PRO CHARTS at #191. Chart position reflects recent download velocity rather than total install base.

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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.*