# Horizon vs Astro!

The clearest difference is iOS requirement: Astro! at 13.0 against Horizon's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Horizon | Astro! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/astro/id6770999261/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 42 MB | 24 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Bartos](https://appshunter.io/developer/1896744840) | [LARA NELLE SCARBOROUGH](https://appshunter.io/developer/1896768520) |

## What reviewers say

### Horizon

[App page](https://appshunter.io/ios/app/horizon-ar/id6770460809)

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

**In-app purchases:** none


### Astro!

[App page](https://appshunter.io/ios/app/astro/id6770999261)

Explore the cosmos with daily NASA images and engaging facts about space. Discover stargazing tools and upcoming celestial events. Perfect for anyone curious about the universe, science, and learning new things about the night sky.

**Highlights:** Daily NASA space images, Simple explanations of celestial phenomena, Interesting astronomy facts, Stargazing tools, Upcoming space event notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Horizon free?

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

### Is Astro! free?

Astro! is free to download, with no in-app purchases.

### Do Horizon or Astro! have ads?

Neither Horizon nor Astro! shows ads.

### Which is updated more often, Horizon or Astro!?

Horizon ships an update every 2 months, and Astro! every 2 months. Most recently, Horizon was updated on October 6, 2026 and Astro! on October 7, 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.*