# Celestial Navigator vs SkyDog GPS

The clearest difference is rating: SkyDog GPS at 5.0 against Celestial Navigator's 3.2. SkyDog GPS also leads on update cadence (every 3 weeks vs every 9 months). Celestial Navigator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. SkyDog GPS sells 1 one-off in-app purchase. Celestial Navigator asks for nothing beyond the download.

SkyDog GPS holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Celestial Navigator ships an update every 9 months, SkyDog GPS every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Celestial Navigator | SkyDog GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/celestial-navigator/id696927722/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/skydog-gps/id6792906988/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 6 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) | [Mathew dereere](https://appshunter.io/developer/6792299805) |

## 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


### SkyDog GPS

[App page](https://appshunter.io/ios/app/skydog-gps/id6792906988)

This app provides GPS tracking and discovery for various outdoor activities. It offers multiple map types and one-tap access to points of interest like trails and fishing spots. Optional subscriptions unlock specialized packs for fishing, drone operation, and ORV trails.

**Highlights:** Multiple map types (streets, topo, satellite), One-tap discovery of points of interest, GPS tracking for various activities, Save and export trip data (GPX), Optional specialized packs (fishing, drone, ORV), No account or sign-up required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fishing Pack | $4.99 | one-time |


## Frequently asked questions

### Is Celestial Navigator free?

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

### Is SkyDog GPS free?

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

### Which has better reviews, Celestial Navigator or SkyDog GPS?

SkyDog GPS is rated higher. Celestial Navigator averages 3.2 out of 5 from 5 ratings, while SkyDog GPS averages 5.0 from 3 ratings.

### Do Celestial Navigator or SkyDog GPS have ads?

SkyDog GPS shows ads; Celestial Navigator does not.

### Which is updated more often, Celestial Navigator or SkyDog GPS?

Celestial Navigator ships an update every 9 months, and SkyDog GPS every 3 weeks. Most recently, Celestial Navigator was updated on October 23, 2026 and SkyDog GPS 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.*