# ISS Track 2 vs ISS Explorer

The clearest difference is review sentiment: ISS Explorer at 100% against ISS Track 2's 0%. ISS Explorer also leads on price (Free vs $4.99) and rating (4.9 vs 1.0). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ISS Explorer is free to download; ISS Track 2 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ISS Explorer holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: ISS Explorer has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ISS Track 2's written reviews are positive against 100% of ISS Explorer's.

ISS Track 2 ships an update every 22 months, ISS Explorer every 10 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | ISS Track 2 | ISS Explorer |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/iss-track-2/id1406132231/reviews) | **[4.9 (16 ratings)](https://appshunter.io/ios/app/iss-explorer/id1429876038/reviews)** |
| Number of ratings | 1 | **16** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 10 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 747 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roberto Panetta](https://appshunter.io/developer/1438480110) | [NASA](https://appshunter.io/developer/355542146) |

## What reviewers say

### ISS Track 2

[App page](https://appshunter.io/ios/app/iss-track-2/id1406132231)

Track the International Space Station's live position on an interactive map or 3D globe. Discover when it will be visible from your location and watch live webcam streams from orbit.

**Highlights:** Live ISS position on interactive map/globe, Visibility predictions for naked-eye viewing, Live webcam stream from the ISS, Precise orbital data updated every 3 seconds, Multiple map/3D globe views, Customizable units and formats

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

**In-app purchases:** none


### ISS Explorer

[App page](https://appshunter.io/ios/app/iss-explorer/id1429876038)

Explore a detailed 3D model of the International Space Station. Rotate, zoom, and select individual components to learn about their function and systems. Organize your view by turning parts and labels on or off.

**Highlights:** Interactive 3D ISS model, Rotate and zoom functionality, Selectable parts with isolation, Detailed information on components, Hierarchical part organization, Toggle parts and labels

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISS Track 2 free?

ISS Track 2 costs $4.99, with no in-app purchases.

### Is ISS Explorer free?

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

### Which has better reviews, ISS Track 2 or ISS Explorer?

ISS Explorer is rated higher. ISS Track 2 averages 1.0 out of 5 from 1 ratings, while ISS Explorer averages 4.9 from 16 ratings.

### Do ISS Track 2 or ISS Explorer have ads?

Neither ISS Track 2 nor ISS Explorer shows ads.

### Which is updated more often, ISS Track 2 or ISS Explorer?

ISS Track 2 ships an update every 22 months, and ISS Explorer every 10 months. Most recently, ISS Track 2 was updated on October 20, 2026 and ISS Explorer on October 20, 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.*