# Astronomy Pro vs Bone Zone

The clearest difference is price: Bone Zone at Free against Astronomy Pro's $3.99. Astronomy Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Bone Zone is free to download; Astronomy Pro costs $3.99 up front. Bone Zone sells 1 in-app purchase, starting at $9.99 per year. Astronomy Pro asks for nothing beyond the download.

Astronomy Pro ships an update every 15 months, Bone Zone every 10 months. Both last shipped on October 12, 2026.

## The numbers

| Metric | Astronomy Pro | Bone Zone |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astronomy-pro/id1501301238/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 10 months** |
| Monetization | Paid | — |
| Size | 58 MB | 8 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Horea Bucerzan](https://appshunter.io/developer/1459301615) | [Brandon Tate](https://appshunter.io/developer/1762298061) |

## What reviewers say

### 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


### Bone Zone

[App page](https://appshunter.io/ios/app/bone-zone/id6752546351)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bone Zone Premium | $9.99 | per year |


## Frequently asked questions

### Is Astronomy Pro free?

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

### Is Bone Zone free?

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

### Do Astronomy Pro or Bone Zone have ads?

Bone Zone shows ads; Astronomy Pro does not.

### Which is updated more often, Astronomy Pro or Bone Zone?

Astronomy Pro ships an update every 15 months, and Bone Zone every 10 months. Most recently, Astronomy Pro was updated on October 12, 2026 and Bone Zone 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.*