# Air Navigation Pro vs igc Viewer

The clearest difference is rating: Air Navigation Pro at 4.6 against igc Viewer's 4.0. Air Navigation Pro also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (641 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Air Navigation Pro sells 15 in-app purchases, starting at $69.99 per year and igc Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Air Navigation Pro holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Air Navigation Pro has 641 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 58% of Air Navigation Pro's written reviews are positive against 50% of igc Viewer's.

Air Navigation Pro ships an update every 3 weeks, igc Viewer every 4 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Air Navigation Pro | igc Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (641 ratings)](https://appshunter.io/ios/app/air-navigation-pro/id301046057/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/igc-viewer/id1428270954/reviews) |
| Number of ratings | **641** | 2 |
| Positive reviews | **58.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#111** | — |
| Size | 221 MB | 82 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Xample Sarl](https://appshunter.io/developer/301046060) | [Hiroki Kijima](https://appshunter.io/developer/1326808571) |

## What reviewers say

### Air Navigation Pro

[App page](https://appshunter.io/ios/app/air-navigation-pro/id301046057)

**Currently charting:** #111 Top Grossing · Navigation (US App Store)

Plan and navigate flights globally with an interactive moving map featuring aeronautical charts, real-time weather, and traffic awareness. Get visual and audio alerts for nearby aircraft and access detailed weather layers for enhanced flight planning and safety.

**Highlights:** Interactive moving map with aeronautical charts, Real-time traffic awareness with alerts, Advanced weather layers (radar, wind, clouds), NOTAM display on map, SmartChart for detailed terrain and airport info, Elevation profile and synthetic view

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aeronautical database | $69.99 | per year |
| Essential worldwide | $71.99 | per year |
| SMART | $79.99 | per year |
| Smart Plus - Middle East | $86.99 | per year |
| Smart Lite | $89.99 | per year |
| Smart Advanced | $134.99 | per year |
| Premium - United States | $139.99 | per year |
| Premium - Argentina | $144.99 | per year |
| US Sectional to 02.2011 Los Angeles | $0.99 | one-time |
| US Sectional to 02.2011 Miami | $0.99 | one-time |
| US Sectional to 02.2011 New York | $0.99 | one-time |
| USA VFR Terminal Area Raster Charts 2012 | $3.99 | one-time |
| USA Sectional charts 2011-2012 | $9.99 | one-time |
| Brazil WAC 2011 | $9.99 | one-time |
| Venezuela 3D data | $19.99 | one-time |

**What reviewers like**

- 🚀 Excellent navigation tool
- 🚀 Accurate GPS tracking
- 🚀 Comprehensive aviation data
- 🚀 Useful for VFR and IFR flying
- 🚀 Great value for money

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🐛 Outdated or missing maps/data
- 🔋 High battery consumption
- 👎 Confusing user interface
- 👎 Lack of instructions/documentation

**Reported bugs**

- Maps fail to download or display properly
- Incorrect or outdated airspace and airport data
- Compatibility issues with newer iOS versions
- Frequent crashes and freezes

**Requested features**

- Improved flight planning tools
- Integration with external devices (AHRS, ADS-B)
- Synthetic vision and terrain awareness
- Automatic NOTAM and weather updates
- Geo-referenced approach plates and airport diagrams


### igc Viewer

[App page](https://appshunter.io/ios/app/igc-viewer/id1428270954)

Easily view flight data from .igc files. Simply open the file through your device's File App or share it directly to the application. It handles various file sizes, displaying your flight information efficiently.

**Highlights:** Open .igc files, File App integration, Share to app functionality, Handles various file sizes, Displays flight information

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flight Computer Mode | $4.99 | one-time |


## Frequently asked questions

### Is Air Navigation Pro free?

Air Navigation Pro is free to download, with in-app purchases available.

### Is igc Viewer free?

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

### Which has better reviews, Air Navigation Pro or igc Viewer?

Air Navigation Pro is rated higher. Air Navigation Pro averages 4.6 out of 5 from 641 ratings, while igc Viewer averages 4.0 from 2 ratings.

### Do Air Navigation Pro or igc Viewer have ads?

Neither Air Navigation Pro nor igc Viewer shows ads.

### Which is updated more often, Air Navigation Pro or igc Viewer?

Air Navigation Pro ships an update every 3 weeks, and igc Viewer every 4 months. Most recently, Air Navigation Pro was updated on October 19, 2026 and igc Viewer on October 8, 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.*