# inSpace defender vs Sci

The clearest difference is ads: Sci at none against inSpace defender's shown. inSpace defender's advantage is update cadence (every 23 months vs every 58 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

inSpace defender ships an update every 23 months, Sci every 58 months. The most recent releases landed on September 8, 2026 and December 16, 2025 respectively.

## The numbers

| Metric | inSpace defender | Sci |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 23 months** | Every 58 months |
| Size | 50 MB | 41 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, iPod, Apple TV |
| Age rating | 9+ | 12+ |
| Developer | [Tomasz Soroka](https://appshunter.io/developer/942170231) | [Marek Skreko](https://appshunter.io/developer/1558127762) |

## What reviewers say

### inSpace defender

[App page](https://appshunter.io/ios/app/inspace-defender/id1256322194)

**Features:** Vision Pro support

**In-app purchases:** none


### Sci

[App page](https://appshunter.io/ios/app/sci/id1558127760)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is inSpace defender free?

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

### Is Sci free?

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

### Do inSpace defender or Sci have ads?

inSpace defender shows ads; Sci does not.

### Which is updated more often, inSpace defender or Sci?

inSpace defender ships an update every 23 months, and Sci every 58 months. Most recently, inSpace defender was updated on September 8, 2026 and Sci on December 16, 2025.

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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.*