# igc Viewer vs Flight Navigator

The clearest difference is in-app purchases: Flight Navigator at none against igc Viewer's 1. Flight Navigator also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. igc Viewer sells 1 one-off in-app purchase. Flight Navigator asks for nothing beyond the download.

igc Viewer ships an update every 4 months, Flight Navigator every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | igc Viewer | Flight Navigator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/igc-viewer/id1428270954/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 4 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Kijima](https://appshunter.io/developer/1326808571) | [Kazuhiro Ota](https://appshunter.io/developer/1574328538) |

## What reviewers say

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

**In-app purchases (1)**

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


### Flight Navigator

[App page](https://appshunter.io/ios/app/flight-navigator/id1574328536)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is igc Viewer free?

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

### Is Flight Navigator free?

Flight Navigator is free to download, with no in-app purchases.

### Do igc Viewer or Flight Navigator have ads?

Neither igc Viewer nor Flight Navigator shows ads.

### Which is updated more often, igc Viewer or Flight Navigator?

igc Viewer ships an update every 4 months, and Flight Navigator every 3 weeks. Most recently, igc Viewer was updated on October 25, 2026 and Flight Navigator on October 27, 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.*