# Nav GC vs EZ Celestial Navigation

The clearest difference is review sentiment: EZ Celestial Navigation at 100% against Nav GC's 0%. EZ Celestial Navigation also leads on rating (4.9 vs 1.0) and update cadence (monthly vs every 29 months). Nav GC's advantage is price ($0.99 vs $29.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Nav GC costs $0.99 and EZ Celestial Navigation $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EZ Celestial Navigation holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: EZ Celestial Navigation has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Nav GC's written reviews are positive against 100% of EZ Celestial Navigation's.

Nav GC ships an update every 29 months, EZ Celestial Navigation monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Nav GC | EZ Celestial Navigation |
| --- | --- | --- |
| Price | **$0.99** | $29.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/nav-gc/id846726794/reviews) | **[4.9 (26 ratings)](https://appshunter.io/ios/app/ez-celestial-navigation/id1547239240/reviews)** |
| Number of ratings | 1 | **26** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Monthly** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#38** |
| Size | 2 MB | 153 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [domesticusdevelop](https://appshunter.io/developer/373834594) | [EZ Celestial LLC](https://appshunter.io/developer/504153123) |

## What reviewers say

### Nav GC

[App page](https://appshunter.io/ios/app/nav-gc/id846726794)

Calculate distances and headings between two points using great circle navigation. Input speed to determine travel time. Utilizes GPS for current location or allows manual input.

**Highlights:** Great circle distance calculation, Heading calculation, Travel time estimation, GPS integration, Manual position input, Compass functionality, GPS speed and course display

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

**In-app purchases:** none


### EZ Celestial Navigation

[App page](https://appshunter.io/ios/app/ez-celestial-navigation/id1547239240)

**Currently charting:** #38 Top Paid · Navigation (US App Store)

This app simplifies celestial navigation using a sextant, providing tools to calculate your position at sea. It offers automated calculations or manual table access, with features for observation archiving and compass checks. Ideal for learning and practicing traditional navigation methods.

**Highlights:** Automated sight reduction and LOP plotting, Manual Nautical Almanac and Pub. 229 table access, Observation archiving and restoration, Compass check functionality, Printable Nautical Almanac pages and reports, Universal app for iOS and macOS

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

**In-app purchases:** none


## Frequently asked questions

### Is Nav GC free?

Nav GC costs $0.99, with no in-app purchases.

### Is EZ Celestial Navigation free?

EZ Celestial Navigation costs $29.99, with no in-app purchases.

### Which has better reviews, Nav GC or EZ Celestial Navigation?

EZ Celestial Navigation is rated higher. Nav GC averages 1.0 out of 5 from 1 ratings, while EZ Celestial Navigation averages 4.9 from 26 ratings.

### Do Nav GC or EZ Celestial Navigation have ads?

Neither Nav GC nor EZ Celestial Navigation shows ads.

### Which is updated more often, Nav GC or EZ Celestial Navigation?

Nav GC ships an update every 29 months, and EZ Celestial Navigation monthly. Most recently, Nav GC was updated on November 6, 2026 and EZ Celestial Navigation on November 7, 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.*