# iSoar vs IGC Viewer · Flight Log Reader

The clearest difference is update cadence: IGC Viewer · Flight Log Reader at every 9 days against iSoar's monthly. IGC Viewer · Flight Log Reader also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. iSoar sells 2 in-app purchases, starting at $36.99 per 6 months and IGC Viewer · Flight Log Reader sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

iSoar ships an update monthly, IGC Viewer · Flight Log Reader every 9 days. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | iSoar | IGC Viewer · Flight Log Reader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Subscription | — |
| Size | 73 MB | 37 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Denis Leupold](https://appshunter.io/developer/1486650749) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### iSoar

[App page](https://appshunter.io/ios/app/isoar/id1486650750)

This navigation app assists glider pilots with route planning, real-time flight data, and landing calculations. It features moving maps of European airspace, an end-approach calculator, and an automatic flight logbook.

**Highlights:** Moving map with European airspace, End-approach calculator, Air-traffic monitor, Automatic flight logbook, IGC flight logger

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 Month Subscription | $36.99 | per 6 months |
| 1 Year Subscription | $46.99 | per year |


### IGC Viewer · Flight Log Reader

[App page](https://appshunter.io/ios/app/igc-viewer-flight-log-reader/id6776756718)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Yearly Pro | $29.99 | per year |


## Frequently asked questions

### Is iSoar free?

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

### Is IGC Viewer · Flight Log Reader free?

IGC Viewer · Flight Log Reader is free to download, with in-app purchases available.

### Do iSoar or IGC Viewer · Flight Log Reader have ads?

Neither iSoar nor IGC Viewer · Flight Log Reader shows ads.

### Which is updated more often, iSoar or IGC Viewer · Flight Log Reader?

iSoar ships an update monthly, and IGC Viewer · Flight Log Reader every 9 days. Most recently, iSoar was updated on September 8, 2026 and IGC Viewer · Flight Log Reader on September 17, 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.*