# CMNS COPILOT vs Navigation Almanac

The clearest difference is update cadence: Navigation Almanac at weekly against CMNS COPILOT's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CMNS COPILOT ships an update every 5 months, Navigation Almanac weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CMNS COPILOT | Navigation Almanac |
| --- | --- | --- |
| Price | Free | 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Free |
| Size | 29 MB | 4 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [广州胜泊航科技术有限公司](https://appshunter.io/developer/1783941610) | [Vladyslav Zenchenko](https://appshunter.io/developer/6777455518) |

## What reviewers say

### CMNS COPILOT

[App page](https://appshunter.io/ios/app/cmns-copilot/id6752538031)

**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 CMNS COPILOT free?

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

### Is Navigation Almanac free?

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

### Do CMNS COPILOT or Navigation Almanac have ads?

Neither CMNS COPILOT nor Navigation Almanac shows ads.

### Which is updated more often, CMNS COPILOT or Navigation Almanac?

CMNS COPILOT ships an update every 5 months, and Navigation Almanac weekly. Most recently, CMNS COPILOT 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.*