# OrbitRadar vs ISS Satellite Tracker

The clearest difference is in-app purchases: OrbitRadar at none against ISS Satellite Tracker's 2. OrbitRadar also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ISS Satellite Tracker sells 2 in-app purchases, starting at $9.99 per year. OrbitRadar asks for nothing beyond the download.

OrbitRadar ships an update every 5 days, ISS Satellite Tracker every 10 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OrbitRadar | ISS Satellite Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iss-satellite-tracker/id6801191356/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 9 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OFL AS](https://appshunter.io/developer/6785120538) | [Digital Doctor LTD](https://appshunter.io/developer/6795967742) |

## What reviewers say

### OrbitRadar

[App page](https://appshunter.io/ios/app/orbitradar/id6789179687)

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

**In-app purchases:** none


### ISS Satellite Tracker

[App page](https://appshunter.io/ios/app/iss-satellite-tracker/id6801191356)

Discover when and where to see the International Space Station and Starlink trains from your location. Get accurate predictions and reminders for visible passes, working entirely offline. Enhance your viewing experience with detailed orbital data and an educational library.

**Highlights:** Accurate pass predictions, Offline functionality, Pass reminders, Live 2D satellite map, Starlink train tracking, 3D orbital globe (Pro), Educational library (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $16.99 | one-time |


## Frequently asked questions

### Is OrbitRadar free?

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

### Is ISS Satellite Tracker free?

ISS Satellite Tracker is free to download, with in-app purchases available.

### Do OrbitRadar or ISS Satellite Tracker have ads?

Neither OrbitRadar nor ISS Satellite Tracker shows ads.

### Which is updated more often, OrbitRadar or ISS Satellite Tracker?

OrbitRadar ships an update every 5 days, and ISS Satellite Tracker every 10 days. Most recently, OrbitRadar was updated on October 28, 2026 and ISS Satellite Tracker on October 31, 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.*