# EGNOS vs CoNav

The clearest difference is price: EGNOS at Free against CoNav's $6.99. EGNOS also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). CoNav's advantage is update cadence (every 3 weeks vs every 4 months). On ads and in-app purchases there is nothing between them.

EGNOS is free to download; CoNav costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EGNOS ships an update every 4 months, CoNav every 3 weeks. The most recent releases landed on September 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | EGNOS | CoNav |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[4.0 (6 ratings)](https://appshunter.io/ios/app/conav/id1456729642/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 61 MB | 17 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EUROPEAN SATELLITE SERVICES PROVIDER](https://appshunter.io/developer/1346540595) | [Vladyslav Yarmak](https://appshunter.io/developer/1456545549) |

## What reviewers say

### EGNOS

[App page](https://appshunter.io/ios/app/egnos/id1346540596)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoNav

[App page](https://appshunter.io/ios/app/conav/id1456729642)

This app provides essential tools for deck officers, including compass error calculation, celestial navigation, and ETA calculations. It offers offline functionality with precise algorithms for various maritime tasks, such as unit conversion and port information.

**Highlights:** Compass Error Calculation, Celestial Navigation, ETA Calculation, Port UN LOCODE Database, Units Converter, True Wind Calculation, Offline Functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EGNOS free?

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

### Is CoNav free?

CoNav costs $6.99, with no in-app purchases.

### Do EGNOS or CoNav have ads?

Neither EGNOS nor CoNav shows ads.

### Which is updated more often, EGNOS or CoNav?

EGNOS ships an update every 4 months, and CoNav every 3 weeks. Most recently, EGNOS was updated on September 10, 2026 and CoNav on September 29, 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.*