# Celestial Navigator vs VoyLog

The clearest difference is in-app purchases: Celestial Navigator at none against VoyLog's 1. Celestial Navigator also leads on iOS requirement (11.0 vs 15.0). VoyLog's advantage is update cadence (every 4 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. VoyLog sells 1 in-app purchase, starting at $4.99 per month. Celestial Navigator asks for nothing beyond the download.

Celestial Navigator ships an update every 9 months, VoyLog every 4 days. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Celestial Navigator | VoyLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/celestial-navigator/id696927722/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 32 MB | 56 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omar reis](https://appshunter.io/developer/687921629) | [METRICS TR DANISMANLIK VE DIS TICARET ANONIM SIRKETI](https://appshunter.io/developer/6783287410) |

## What reviewers say

### Celestial Navigator

[App page](https://appshunter.io/ios/app/celestial-navigator/id696927722)

This app assists with celestial navigation training by providing a perpetual almanac, star finder chart with animation, and tools for calculating lines of position and meridian passages. It can utilize device sensors for real-time chart positioning, though a marine sextant is still required for actual navigation.

**Highlights:** Perpetual almanac, Animated star finder chart, Line of position calculation, Meridian passage calculation, Real-time sensor integration, Celestial object data

**Features:** macOS Compatibility

**In-app purchases:** none


### VoyLog

[App page](https://appshunter.io/ios/app/voylog/id6784607636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoyLog Pro | $4.99 | per month |


## Frequently asked questions

### Is Celestial Navigator free?

Celestial Navigator is free to download, with no in-app purchases.

### Is VoyLog free?

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

### Do Celestial Navigator or VoyLog have ads?

Neither Celestial Navigator nor VoyLog shows ads.

### Which is updated more often, Celestial Navigator or VoyLog?

Celestial Navigator ships an update every 9 months, and VoyLog every 4 days. Most recently, Celestial Navigator was updated on September 25, 2026 and VoyLog on September 26, 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.*