# Celestial Nav vs VoyLog

The clearest difference is update cadence: VoyLog at every 4 days against Celestial Nav's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Celestial Nav sells 6 in-app purchases, starting at $1.99 per month and VoyLog sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Celestial Nav ships an update every 3 weeks, VoyLog every 4 days. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Celestial Nav | VoyLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (10 ratings)](https://appshunter.io/ios/app/celestial-nav/id1569880598/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Skytip LLC](https://appshunter.io/developer/1569880600) | [METRICS TR DANISMANLIK VE DIS TICARET ANONIM SIRKETI](https://appshunter.io/developer/6783287410) |

## What reviewers say

### 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 |


### 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 Nav free?

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

### Is VoyLog free?

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

### Do Celestial Nav or VoyLog have ads?

Neither Celestial Nav nor VoyLog shows ads.

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

Celestial Nav ships an update every 3 weeks, and VoyLog every 4 days. Most recently, Celestial Nav was updated on October 1, 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.*