# Celestial Navigation 360 vs Navigation Almanac

The clearest difference is in-app purchases: Navigation Almanac at none against Celestial Navigation 360's 2. Navigation Almanac also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Celestial Navigation 360 sells 2 in-app purchases, starting at $4.99 per month. Navigation Almanac asks for nothing beyond the download.

Celestial Navigation 360 ships an update monthly, Navigation Almanac weekly. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Celestial Navigation 360 | Navigation Almanac |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/navigation-almanac/id6777455516/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Braun](https://appshunter.io/developer/1018432793) | [Vladyslav Zenchenko](https://appshunter.io/developer/6777455518) |

## What reviewers say

### Celestial Navigation 360

[App page](https://appshunter.io/ios/app/celestial-navigation-360/id6747285959)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| month | $4.99 | per month |
| year | $17.99 | per year |


### Navigation Almanac

[App page](https://appshunter.io/ios/app/navigation-almanac/id6777455516)

This app provides a comprehensive offline celestial navigation toolkit. It calculates celestial body positions, sunrise/set times, and sky charts. It also offers tools for compass error correction and position fixing, all without requiring an internet connection.

**Highlights:** Offline celestial almanac data, Sight reduction calculations, Rise, set, and twilight times, Sky view chart and dome, Live GPS position and course, Compass error correction, Fix calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is Celestial Navigation 360 free?

Celestial Navigation 360 is free to download, with in-app purchases available.

### Is Navigation Almanac free?

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

### Do Celestial Navigation 360 or Navigation Almanac have ads?

Neither Celestial Navigation 360 nor Navigation Almanac shows ads.

### Which is updated more often, Celestial Navigation 360 or Navigation Almanac?

Celestial Navigation 360 ships an update monthly, and Navigation Almanac weekly. Most recently, Celestial Navigation 360 was updated on September 22, 2026 and Navigation Almanac 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.*