# Galaxy Attack vs Impact 2018

The clearest difference is rating: Galaxy Attack at 4.7 against Impact 2018's 4.2. Galaxy Attack also leads on ratings volume (657K vs 26) and update cadence (every 4 days vs every 3 weeks). Impact 2018's advantage is in-app purchases (none vs 16) and iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Galaxy Attack sells 15 in-app purchases, starting at $9.99 per month. Impact 2018 asks for nothing beyond the download.

Galaxy Attack holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Galaxy Attack has 657K ratings behind it against 26, so its average is the more settled of the two.

Galaxy Attack ships an update every 4 days, Impact 2018 every 3 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Galaxy Attack | Impact 2018 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (657K ratings)](https://appshunter.io/ios/app/galaxy-attack-alien-shooter/id1176011642/reviews)** | [4.2 (26 ratings)](https://appshunter.io/ios/app/impact-2018/id1225688426/reviews) |
| Number of ratings | **657K** | 26 |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#72** | — |
| Size | 456 MB | 16 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Dino Game Limited](https://appshunter.io/developer/1777402278) | [Richard Hughes](https://appshunter.io/developer/320954795) |

## What reviewers say

### Galaxy Attack

[App page](https://appshunter.io/ios/app/galaxy-attack-alien-shooter/id1176011642)

**Currently charting:** #72 Top Free · Action, #83 Top Grossing · Action, #196 Top Grossing · Casual, #209 Top Free · Casual (US App Store)

Pilot a lone spaceship to defend Earth from alien invaders in this classic space shooter. Upgrade your weapons and skills to overcome increasingly difficult challenges across 140 levels. Engage in epic boss battles and enjoy immersive missions.

**Highlights:** Multiplayer mode, High quality graphics, Active skills, 140 levels, Boss battles, Gun and laser upgrades

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Crystal Subscription | $9.99 | per month |
| 2 Crystals | $0.99 | one-time |
| 6 Crystals | $1.99 | one-time |
| Military Chest x10 | $4.99 | one-time |
| 20 Crystals | $4.99 | one-time |
| X2 Win Point, Zero Lose Point | $4.99 | one-time |
| Event Coin (Flash Sale) | $4.99 | one-time |
| Buy Event Item Pack 4 | $4.99 | one-time |
| Event Premium Pass | $9.99 | one-time |
| 50 Crystals | $9.99 | one-time |
| Stone Pack | $9.99 | one-time |
| Piggy Bank | $9.99 | one-time |
| 120 Crystals | $19.99 | one-time |
| Special Offer: 400 Crystals | $19.99 | one-time |
| 40,000 Event coins | $29.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 🎨 Awesome graphics
- 🕹️ Fun retro arcade style
- 👍 Variety of game modes

**What reviewers complain about**

- 💰 Expensive in-app purchases
- 🔍 Unbalanced matchmaking in PvP
- 🔁 Repetitive gameplay
- 🐛 Frequent bugs and glitches
- 🕰️ Too many ads

**Reported bugs**

- Game crashes and freezes
- Lost progress and purchases
- Rewards not registering properly
- Connectivity issues in PvP

**Requested features**

- Improved skill-based matchmaking
- More free currency and upgrades
- Ability to select purchased ships
- Reduced difficulty curve
- Better customer support


### Impact 2018

[App page](https://appshunter.io/ios/app/impact-2018/id1225688426)

Defend Earth from incoming asteroids by tapping them before they impact. Collect power-ups like missiles, lasers, and shields to aid in your mission and prevent global destruction.

**Highlights:** Tap to destroy asteroids, Collect power-ups, Missile power-up, Laser power-up, Shield power-up, Prevent Earth's destruction

**In-app purchases:** none


## Frequently asked questions

### Is Galaxy Attack free?

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

### Is Impact 2018 free?

Impact 2018 is free to download, with no in-app purchases.

### Which has better reviews, Galaxy Attack or Impact 2018?

Galaxy Attack is rated higher. Galaxy Attack averages 4.7 out of 5 from 657K ratings, while Impact 2018 averages 4.2 from 26 ratings.

### Do Galaxy Attack or Impact 2018 have ads?

Both Galaxy Attack and Impact 2018 show ads.

### Which is updated more often, Galaxy Attack or Impact 2018?

Galaxy Attack ships an update every 4 days, and Impact 2018 every 3 weeks. Most recently, Galaxy Attack was updated on November 1, 2026 and Impact 2018 on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*