# Sky Map vs Planet Finder

The clearest difference is update cadence: Planet Finder at every 5 days against Sky Map's every 3 weeks. Planet Finder also leads on ratings volume (4 vs 1). Sky Map's advantage is device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Sky Map sells 4 in-app purchases, starting at $1.99 per 7 days and Planet Finder sells 5 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Sky Map against 4.0 for Planet Finder. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Sky Map ships an update every 3 weeks, Planet Finder every 5 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Sky Map | Planet Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/sky-map-live-star-tracker/id6790243989/reviews) | [4.0 (4 ratings)](https://appshunter.io/ios/app/planet-finder-tonight-sky-map/id6793944697/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 65 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DEEPLY AI](https://appshunter.io/developer/1809787876) | [SEMPEAK INTERNET REKLAM BILISIM ANONIM SIRKETI](https://appshunter.io/developer/6797911637) |

## What reviewers say

### Sky Map

[App page](https://appshunter.io/ios/app/sky-map-live-star-tracker/id6790243989)

Identify stars, planets, and constellations by pointing your device at the sky. Offers offline functionality, multiple visual styles, and real-time ISS and meteor shower tracking. Includes Apple Watch and widget support.

**Highlights:** Live star and planet identification, Offline functionality, ISS and meteor shower tracking, Multiple visual sky styles, Apple Watch integration, 13 customizable widgets, 100% red night mode

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sky Map Premium Weekly | $1.99 | per 7 days |
| Sky Map Premium Monthly | $5.99 | per month |
| Sky Map Premium Yearly | $24.99 | per year |
| Sky Map Premium Lifetime | $79.99 | one-time |


### Planet Finder

[App page](https://appshunter.io/ios/app/planet-finder-tonight-sky-map/id6793944697)

Explore the night sky by pointing your device upwards. Identify planets, stars, and constellations in real-time with an augmented reality overlay. Access a comprehensive celestial catalog and receive personalized astronomical information.

**Highlights:** Real-time celestial object identification, Augmented reality sky overlay, Comprehensive star and constellation catalog, Personalized astronomical information, Event calendar with reminders, Offline celestial computation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $5.99 | per 7 days |
| Pro Monthly | $14.99 | per month |
| Pro Yearly Special | $29.99 | per year |
| Pro Yearly | $59.99 | per year |
| Pro Lifetime | $69.00 | one-time |


## Frequently asked questions

### Is Sky Map free?

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

### Is Planet Finder free?

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

### Which has better reviews, Sky Map or Planet Finder?

Sky Map and Planet Finder are both rated 4.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Sky Map or Planet Finder have ads?

Both Sky Map and Planet Finder show ads.

### Which is updated more often, Sky Map or Planet Finder?

Sky Map ships an update every 3 weeks, and Planet Finder every 5 days. Most recently, Sky Map was updated on November 7, 2026 and Planet Finder on November 6, 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.*