# Astro Viewer vs OrbView

The clearest difference is in-app purchases: Astro Viewer at none against OrbView's 2. Astro Viewer also leads on ads (none vs shown). OrbView's advantage is update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OrbView sells 2 in-app purchases, starting at $1.99 per month. Astro Viewer asks for nothing beyond the download.

Astro Viewer ships an update every 4 months, OrbView every 3 weeks. The most recent releases landed on September 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Astro Viewer | OrbView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/orbview-satellite-tracker/id6770733838/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 45 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heebok Lee](https://appshunter.io/developer/1855773499) | [FORTYNINE AND A HALF LABS, LLC](https://appshunter.io/developer/1896535861) |

## What reviewers say

### Astro Viewer

[App page](https://appshunter.io/ios/app/astro-viewer/id6755899238)

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

**In-app purchases:** none


### OrbView

[App page](https://appshunter.io/ios/app/orbview-satellite-tracker/id6770733838)

Visualize satellites, space stations, and debris in real-time from your location. Get predicted pass times, detailed orbital information, and log your sightings. Explore a 3D globe showing all objects in orbit.

**Highlights:** Live satellite tracking, Predicted pass times, 3D orbital globe, Object categorization, Customizable alerts, Sighting logging and badges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flyby Pro | $1.99 | per month |
| Flyby Pro | $9.99 | per year |


## Frequently asked questions

### Is Astro Viewer free?

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

### Is OrbView free?

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

### Do Astro Viewer or OrbView have ads?

OrbView shows ads; Astro Viewer does not.

### Which is updated more often, Astro Viewer or OrbView?

Astro Viewer ships an update every 4 months, and OrbView every 3 weeks. Most recently, Astro Viewer was updated on September 29, 2026 and OrbView on October 19, 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.*