# CoNav vs Seawise

The clearest difference is price: Seawise at Free against CoNav's $6.99. Seawise also leads on device support (3 vs 1). CoNav's advantage is update cadence (every 3 weeks vs every 4 months) and chart position (#93 vs unranked). On ads, in-app purchases and iOS requirement there is nothing between them.

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

CoNav ships an update every 3 weeks, Seawise every 4 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CoNav | Seawise |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| 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 3 weeks** | Every 4 months |
| Monetization | Paid | — |
| Best chart rank | **#93** | — |
| Size | 17 MB | 11 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladyslav Yarmak](https://appshunter.io/developer/1456545549) | [James Kirby](https://appshunter.io/developer/1896573194) |

## What reviewers say

### CoNav

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

**Currently charting:** #93 Top Paid · Navigation (US App Store)

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


### Seawise

[App page](https://appshunter.io/ios/app/seawise/id6768439472)

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

**In-app purchases:** none


## Frequently asked questions

### Is CoNav free?

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

### Is Seawise free?

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

### Do CoNav or Seawise have ads?

Neither CoNav nor Seawise shows ads.

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

CoNav ships an update every 3 weeks, and Seawise every 4 months. Most recently, CoNav was updated on October 26, 2026 and Seawise on October 21, 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.*