# Space Cadet Defender vs Galaxy Invaders

The clearest difference is review sentiment: Space Cadet Defender at 86% against Galaxy Invaders's 47%. Space Cadet Defender also leads on ads (none vs shown) and rating (4.5 vs 4.2). Galaxy Invaders's advantage is update cadence (every 2 weeks vs every 18 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Space Cadet Defender sells 5 one-off in-app purchases and Galaxy Invaders sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Space Cadet Defender holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 231 and 58 respectively. Written reviews point the same way: 86% of Space Cadet Defender's written reviews are positive against 47% of Galaxy Invaders's.

Space Cadet Defender ships an update every 18 months, Galaxy Invaders every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Space Cadet Defender | Galaxy Invaders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (231 ratings)](https://appshunter.io/ios/app/space-cadet-defender-recon-invaders/id712286226/reviews)** | [4.2 (58 ratings)](https://appshunter.io/ios/app/galaxy-invaders-space-attack/id6443981789/reviews) |
| Number of ratings | **231** | 58 |
| Positive reviews | **86.0% of reviews** | 47.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 29 MB | 169 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [SixHourSoft LLC](https://appshunter.io/developer/345114619) | [PUMPKIN VN CO., LTD](https://appshunter.io/developer/1579553595) |

## What reviewers say

### Space Cadet Defender

[App page](https://appshunter.io/ios/app/space-cadet-defender-recon-invaders/id712286226)

Engage in a classic side-scrolling arcade space shooter. Battle an alien horde across unique levels, upgrading your ship with powerful enhancements and facing formidable boss enemies. Compete for high scores on GameCenter.

**Highlights:** HD retina graphics, Side-scrolling arcade shooter, Unique levels, Ship upgrades, Boss levels, Powerups, GameCenter high scores

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5000 Medals | $0.99 | one-time |
| Second Invasion | $1.99 | one-time |
| 30000 Medals | $4.99 | one-time |
| 70000 Medals | $9.99 | one-time |
| 140000 Medals | $14.99 | one-time |

**What reviewers like**

- 🚀 Fast-paced gameplay
- 👍 Simple and intuitive controls
- 💎 Retro arcade-style visuals
- 🕹️ Nostalgic and addictive experience

**What reviewers complain about**

- 🔒 Paywall for advanced features
- 🐛 Occasional screen freezing issues
- 🔋 Rapid battery drain
- 🕹️ Limited control options

**Reported bugs**

- Screen freezes at certain levels
- Progression loss after completing the game
- Unresponsive controls at times

**Requested features**

- More challenging and varied levels
- Ability to replay earlier levels
- Joystick support for better control
- Additional power-ups and upgrades


### 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SHIP PART 1 | $0.99 | one-time |
| Revive Crystal | $1.99 | one-time |
| SHIP PART 2 | $1.99 | one-time |
| Gold Pack | $2.99 | one-time |
| Reflex and Swarm Pack | $2.99 | one-time |
| Subscription Basic | $4.99 | one-time |
| Weapon Variant 5 | $4.99 | one-time |
| Reinforcement Pack | $8.99 | one-time |
| BIG EVENT PACK | $17.99 | one-time |
| SALE 50% OFF | $17.99 | one-time |


## Frequently asked questions

### Is Space Cadet Defender free?

Space Cadet Defender is free to download, with in-app purchases available.

### Is Galaxy Invaders free?

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

### Which has better reviews, Space Cadet Defender or Galaxy Invaders?

Space Cadet Defender is rated higher. Space Cadet Defender averages 4.5 out of 5 from 231 ratings, while Galaxy Invaders averages 4.2 from 58 ratings.

### Do Space Cadet Defender or Galaxy Invaders have ads?

Galaxy Invaders shows ads; Space Cadet Defender does not.

### Which is updated more often, Space Cadet Defender or Galaxy Invaders?

Space Cadet Defender ships an update every 18 months, and Galaxy Invaders every 2 weeks. Most recently, Space Cadet Defender was updated on November 1, 2026 and Galaxy Invaders on November 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.*