# Galaxy Invaders vs Retro Galactic Siege

The clearest difference is ads: Retro Galactic Siege at none against Galaxy Invaders's shown. Galaxy Invaders's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Galaxy Invaders sells 27 one-off in-app purchases and Retro Galactic Siege sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Galaxy Invaders ships an update every 2 weeks, Retro Galactic Siege every 2 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Galaxy Invaders | Retro Galactic Siege |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (56 ratings)](https://appshunter.io/ios/app/galaxy-invaders-space-attack/id6443981789/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 11 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [PUMPKIN VN CO., LTD](https://appshunter.io/developer/1579553595) | [ABRAHAM SEGOVIANO](https://appshunter.io/developer/1886602554) |

## What reviewers say

### Galaxy Invaders

[App page](https://appshunter.io/ios/app/galaxy-invaders-space-attack/id6443981789)

Engage in an ultimate space shooting game with classic arcade style and modern expression. Explore galaxies, battle alien invaders with advanced weaponry, and collect powerful spaceships and drones. Enjoy offline play and compete with others globally.

**Highlights:** Classic arcade space shooting gameplay, Multiplayer modes (1v1, 1v3, 2v2, survival), PVP online and co-op missions, Variety of enemies and challenging bosses, Collect 15 spaceships and 12 drones, Unlock legendary ships with superpowers, Offline playable

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

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SHIP PART 1 | $0.99 | one-time |
| Crystal 1 | $1.99 | one-time |
| Revive Crystal | $1.99 | one-time |
| SHIP PART 2 | $1.99 | one-time |
| Powerball Ticket 1 | $1.99 | one-time |
| Boosters Pack | $2.99 | one-time |
| Gold Pack | $2.99 | one-time |
| PIGGY BANK 1 | $2.99 | one-time |
| Starter Pack | $2.99 | one-time |
| Reflex and Swarm Pack | $2.99 | one-time |
| SHIP PART 4 | $3.99 | one-time |
| Crystal 2 | $4.99 | one-time |
| Subscription Basic | $4.99 | one-time |
| WING 5 | $4.99 | one-time |
| SMALL EVENT PACK | $4.99 | one-time |
| PIGGY BANK 2 | $4.99 | one-time |
| SKIN 5 | $4.99 | one-time |
| Weapon Variant 5 | $4.99 | one-time |
| PIGGY BANK 3 | $8.99 | one-time |
| Reinforcement Pack | $8.99 | one-time |
| Powerball Ticket 3 | $9.99 | one-time |
| Crystal 3 | $9.99 | one-time |
| BIG EVENT PACK | $17.99 | one-time |
| Subscription Elite | $17.99 | one-time |
| SALE 50% OFF | $17.99 | one-time |
| Crystal 4 | $19.99 | one-time |
| Crystal 5 | $42.99 | one-time |


### Retro Galactic Siege

[App page](https://appshunter.io/ios/app/retro-galactic-siege/id6761139691)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Warhawk Ship | $0.99 | one-time |
| Xeno Drone ship | $0.99 | one-time |
| Neon Blade Ship | $0.99 | one-time |
| Phantom Ship | $0.99 | one-time |
| Dark Dimension Expansion | $1.99 | one-time |


## Frequently asked questions

### Is Galaxy Invaders free?

Galaxy Invaders is free to download, with in-app purchases available.

### Is Retro Galactic Siege free?

Retro Galactic Siege is free to download, with in-app purchases available.

### Do Galaxy Invaders or Retro Galactic Siege have ads?

Galaxy Invaders shows ads; Retro Galactic Siege does not.

### Which is updated more often, Galaxy Invaders or Retro Galactic Siege?

Galaxy Invaders ships an update every 2 weeks, and Retro Galactic Siege every 2 months. Most recently, Galaxy Invaders was updated on October 14, 2026 and Retro Galactic Siege on October 9, 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.*