# ISS Explorer vs Masterlife

The clearest difference is update cadence: Masterlife at every 2 weeks against ISS Explorer's every 10 months. ISS Explorer's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ISS Explorer ships an update every 10 months, Masterlife every 2 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ISS Explorer | Masterlife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/iss-explorer/id1429876038/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 747 MB | 49 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [BODYTIME](https://appshunter.io/developer/1359138499) |

## What reviewers say

### 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


### Masterlife

[App page](https://appshunter.io/ios/app/masterlife/id6744655589)

**In-app purchases:** none


## Frequently asked questions

### Is ISS Explorer free?

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

### Is Masterlife free?

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

### Do ISS Explorer or Masterlife have ads?

Neither ISS Explorer nor Masterlife shows ads.

### Which is updated more often, ISS Explorer or Masterlife?

ISS Explorer ships an update every 10 months, and Masterlife every 2 weeks. Most recently, ISS Explorer was updated on October 13, 2026 and Masterlife on October 5, 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.*