# Memory Bounce vs Retro Invader Cosmic Shooter

The clearest difference is in-app purchases: Retro Invader Cosmic Shooter at none against Memory Bounce's 7. Memory Bounce's advantage is update cadence (every 2 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memory Bounce sells 7 one-off in-app purchases. Retro Invader Cosmic Shooter asks for nothing beyond the download.

Memory Bounce ships an update every 2 days, Retro Invader Cosmic Shooter every 7 months. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Memory Bounce | Retro Invader Cosmic Shooter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 7 months |
| Size | 14 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evren DOGAN](https://appshunter.io/developer/1510921277) | [Masaki Kenneth Micheal Akita](https://appshunter.io/developer/1851346156) |

## What reviewers say

### Memory Bounce

[App page](https://appshunter.io/ios/app/memory-bounce/id6758299151)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Chip Pack | $0.99 | one-time |
| Nebula | $1.99 | one-time |
| Solar Flare | $1.99 | one-time |
| Aurora | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Medium Chip Pack | $3.99 | one-time |
| Large Chip Pack | $6.99 | one-time |


### Retro Invader Cosmic Shooter

[App page](https://appshunter.io/ios/app/retro-invader-cosmic-shooter/id6758686837)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Bounce free?

Memory Bounce is free to download, with in-app purchases available.

### Is Retro Invader Cosmic Shooter free?

Retro Invader Cosmic Shooter is free to download, with no in-app purchases.

### Do Memory Bounce or Retro Invader Cosmic Shooter have ads?

Both Memory Bounce and Retro Invader Cosmic Shooter show ads.

### Which is updated more often, Memory Bounce or Retro Invader Cosmic Shooter?

Memory Bounce ships an update every 2 days, and Retro Invader Cosmic Shooter every 7 months. Most recently, Memory Bounce was updated on September 16, 2026 and Retro Invader Cosmic Shooter on September 19, 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.*