# Space Invasions vs NellCatch

The clearest difference is ads: Space Invasions at none against NellCatch's shown. Space Invasions also leads on iOS requirement (11.0 vs 16.0). NellCatch's advantage is update cadence (every 2 weeks vs every 20 months). On price, 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.

Space Invasions ships an update every 20 months, NellCatch every 2 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Space Invasions | NellCatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 weeks** |
| Size | 8 MB | 250 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [jj](https://appshunter.io/developer/426360938) | [Naoya Sakai](https://appshunter.io/developer/1395108738) |

## What reviewers say

### Space Invasions

[App page](https://appshunter.io/ios/app/space-invasions/id978962430)

**Features:** macOS Compatibility

**In-app purchases:** none


### NellCatch

[App page](https://appshunter.io/ios/app/nellcatch/id6736881148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Invasions free?

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

### Is NellCatch free?

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

### Do Space Invasions or NellCatch have ads?

NellCatch shows ads; Space Invasions does not.

### Which is updated more often, Space Invasions or NellCatch?

Space Invasions ships an update every 20 months, and NellCatch every 2 weeks. Most recently, Space Invasions was updated on November 6, 2026 and NellCatch on November 8, 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.*