# Space Defender vs Hyper Mnemonic

The clearest difference is update cadence: Hyper Mnemonic at every 3 weeks against Space Defender's every 13 months. 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.

Space Defender ships an update every 13 months, Hyper Mnemonic every 3 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | Space Defender | Hyper Mnemonic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/space-defender-ultimate/id1232145880/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 1 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ilan TETRUASHVILI](https://appshunter.io/developer/940821251) | [Daniel Albu](https://appshunter.io/developer/1797350328) |

## What reviewers say

### Space Defender

[App page](https://appshunter.io/ios/app/space-defender-ultimate/id1232145880)

Engage in an addictive space combat experience with vibrant pixel art. Navigate through challenging waves and aim for the highest score to protect the galaxy. This game offers endless replayability and fun.

**Highlights:** Endless gameplay, Challenging and fun, Pixel art animations, 24 different waves, Hi-score competition

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

**In-app purchases:** none


### Hyper Mnemonic

[App page](https://appshunter.io/ios/app/hyper-mnemonic/id6742406383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Defender free?

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

### Is Hyper Mnemonic free?

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

### Do Space Defender or Hyper Mnemonic have ads?

Neither Space Defender nor Hyper Mnemonic shows ads.

### Which is updated more often, Space Defender or Hyper Mnemonic?

Space Defender ships an update every 13 months, and Hyper Mnemonic every 3 weeks. Most recently, Space Defender was updated on October 3, 2026 and Hyper Mnemonic on October 3, 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.*