# Meridian Nav vs Navigation Almanac

The clearest difference is price: Navigation Almanac at Free against Meridian Nav's $0.99. Meridian Nav's advantage is iOS requirement (13.0 vs 17.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Navigation Almanac is free to download; Meridian Nav costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Meridian Nav ships an update every 6 days, Navigation Almanac weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Meridian Nav | Navigation Almanac |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/navigation-almanac/id6777455516/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Paid | **Free** |
| Size | 36 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEUNGHYEOK CHOI](https://appshunter.io/developer/6774504788) | [Vladyslav Zenchenko](https://appshunter.io/developer/6777455518) |

## What reviewers say

### Meridian Nav

[App page](https://appshunter.io/ios/app/meridian-nav/id6774504786)

This app provides comprehensive offline marine navigation tools for sailors. It offers GPS tracking, offline chart display, route management, and various celestial and navigational calculations. All features are accessible without an internet connection.

**Highlights:** Offline GPS position monitoring, Offline chart and waypoint display, .rtz route import and management, Navigation calculations, Celestial body data, Sun/moon event times

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

**In-app purchases:** none


### 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 Meridian Nav free?

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

### Is Navigation Almanac free?

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

### Do Meridian Nav or Navigation Almanac have ads?

Neither Meridian Nav nor Navigation Almanac shows ads.

### Which is updated more often, Meridian Nav or Navigation Almanac?

Meridian Nav ships an update every 6 days, and Navigation Almanac weekly. Most recently, Meridian Nav was updated on October 28, 2026 and Navigation Almanac on October 24, 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.*