# Celestial Navigation vs Celestial Nav

The clearest difference is price: Celestial Nav at Free against Celestial Navigation's $1.99. Celestial Navigation's advantage is in-app purchases (none vs 6) and update cadence (every 5 days vs every 3 weeks). On rating, ratings volume, ads and device support there is nothing between them.

Celestial Nav is free to download; Celestial Navigation costs $1.99 up front. Celestial Nav sells 6 in-app purchases, starting at $1.99 per month. Celestial Navigation asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Celestial Navigation against 4.3 for Celestial Nav. Both are backed by a comparable volume of ratings — 15 and 10 respectively. Written reviews are what separate them: 77% of Celestial Navigation's written reviews are positive against 64% of Celestial Nav's.

Celestial Navigation ships an update every 5 days, Celestial Nav every 3 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | Celestial Navigation | Celestial Nav |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.2 (15 ratings)](https://appshunter.io/ios/app/celestial-navigation/id1458513224/reviews) | **[4.3 (10 ratings)](https://appshunter.io/ios/app/celestial-nav/id1569880598/reviews)** |
| Number of ratings | **15** | 10 |
| Positive reviews | **77.3% of reviews** | 64.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#78** | — |
| Size | 51 MB | 20 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dr. Harald Merkel](https://appshunter.io/developer/404381431) | [Skytip LLC](https://appshunter.io/developer/1569880600) |

## What reviewers say

### Celestial Navigation

[App page](https://appshunter.io/ios/app/celestial-navigation/id1458513224)

**Currently charting:** #78 Top Paid · Navigation (US App Store)

This application assists with celestial navigation by performing sextant sight reduction calculations. It displays intermediate numbers for verification and can draw lines of position on a map. Features include a perpetual nautical almanac and a star finder to identify celestial bodies.

**Highlights:** Sextant sight reduction calculations, Perpetual nautical almanac, Line of position calculation and plotting, Star Finder for celestial identification, Save and manage sextant readings, Display intermediate calculation numbers

**Features:** Vision Pro support

**In-app purchases:** none


### Celestial Nav

[App page](https://appshunter.io/ios/app/celestial-nav/id1569880598)

This app provides tools for celestial navigation, offering computations for celestial bodies and sight reductions. It includes an offline perpetual almanac and allows for quick capture of observation data for accurate course adjustments.

**Highlights:** Celestial navigational computations, Offline perpetual almanac, Quick celestial observation data capture, High accuracy sight reductions, Sight planning and reduction tools, Celestial fix computations

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version | $1.99 | per month |
| PRO Version | $7.99 | per 6 months |
| PRO Version | $9.99 | per year |
| 7 Day Trial License | $0.99 | one-time |
| 30 Day Trial License | $2.99 | one-time |
| PRO Version Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Celestial Navigation free?

Celestial Navigation costs $1.99, with no in-app purchases.

### Is Celestial Nav free?

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

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

Celestial Nav is rated higher. Celestial Navigation averages 4.2 out of 5 from 15 ratings, while Celestial Nav averages 4.3 from 10 ratings.

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

Neither Celestial Navigation nor Celestial Nav shows ads.

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

Celestial Navigation ships an update every 5 days, and Celestial Nav every 3 weeks. Most recently, Celestial Navigation was updated on October 1, 2026 and Celestial Nav on October 1, 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.*