# StarTracker HD vs Astronomy Pro

The clearest difference is rating: Astronomy Pro at 5.0 against StarTracker HD's 4.0. Astronomy Pro also leads on device support (3 vs 1). StarTracker HD's advantage is ratings volume (43 vs 1) and update cadence (every 5 months vs every 15 months). On price, ads, in-app purchases and monetization model there is nothing between them.

StarTracker HD costs $3.99 and Astronomy Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Astronomy Pro holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: StarTracker HD has 43 ratings behind it against 1, so its average is the more settled of the two.

StarTracker HD ships an update every 5 months, Astronomy Pro every 15 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StarTracker HD | Astronomy Pro |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | [4.0 (43 ratings)](https://appshunter.io/ios/app/startracker-hd-mobile-skymap/id449605942/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astronomy-pro/id1501301238/reviews)** |
| Number of ratings | **43** | 1 |
| Positive reviews | 59.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 25 MB | 58 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [身吉 潘](https://appshunter.io/developer/341563645) | [Horea Bucerzan](https://appshunter.io/developer/1459301615) |

## What reviewers say

### StarTracker HD

[App page](https://appshunter.io/ios/app/startracker-hd-mobile-skymap/id449605942)

Explore the night sky with this augmented reality planetarium. Identify stars, constellations, planets, and deep sky objects by simply pointing your device at the sky. All data is available offline.

**Highlights:** Augmented Reality Star Gazing, Identify 8000+ stars, planets, and constellations, Offline data access, Search and lock celestial objects, Time Machine feature, High-quality graphics

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth, fluid graphics and responsive gyroscope tracking
- 👍 Intuitive and easy-to-use interface
- 🌟 Beautiful HD visuals and stunning design
- 📍 Accurate real-time sky positioning and planet/constellation identification
- 🎓 Excellent educational tool for learning astronomy

**What reviewers complain about**

- 🐛 Frequent crashes on various devices
- 🐛 Compass/gyroscope malfunction issues
- 🐛 Screen display problems on larger tablets
- ❌ Limited functionality and educational depth
- ❌ Lack of object information and descriptions

**Reported bugs**

- App crashes on startup or during use
- Compass direction incorrect (north pointing wrong direction)
- Gyroscope not responding or locked
- Share button causes crashes
- Forward/share button greying out and causing screen loss

**Requested features**

- Add search functionality for celestial objects
- Include ISS and satellite tracking
- Display object information (distance, magnitude, color, brightness)
- Add ecliptic line visibility option
- Show coordinate information (RA, Dec, Alt, Azimuth)


### Astronomy Pro

[App page](https://appshunter.io/ios/app/astronomy-pro/id1501301238)

Explore the universe and learn about planets, solar systems, and galaxies. This educational app enhances general knowledge about space and our place within it.

**Highlights:** Explore the universe, Learn about planets, Discover solar systems, Study galaxies, Enhance general knowledge

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

**In-app purchases:** none


## Frequently asked questions

### Is StarTracker HD free?

StarTracker HD costs $3.99, with no in-app purchases.

### Is Astronomy Pro free?

Astronomy Pro costs $3.99, with no in-app purchases.

### Which has better reviews, StarTracker HD or Astronomy Pro?

Astronomy Pro is rated higher. StarTracker HD averages 4.0 out of 5 from 43 ratings, while Astronomy Pro averages 5.0 from 1 ratings.

### Do StarTracker HD or Astronomy Pro have ads?

Neither StarTracker HD nor Astronomy Pro shows ads.

### Which is updated more often, StarTracker HD or Astronomy Pro?

StarTracker HD ships an update every 5 months, and Astronomy Pro every 15 months. Most recently, StarTracker HD was updated on October 13, 2026 and Astronomy Pro on October 12, 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.*