Galaxy Defender vs Operation
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Galaxy Defender
Engage in fast-paced space combat to defend the galaxy from alien invaders. Blast through unlimited levels, improve your score, and master increasingly challenging gameplay. Enjoy vivid graphics and cool sound effects in this timeless arcade experience.
- Rapid fire laser combat
- Unlimited game levels
- Progressively harder gameplay
- 4 degrees of game difficulty
- Game Center enabled
- Full game statistics
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Defend the galaxy against alien invaders with a rapid fire laser while racking up points and advancing to unlimited levels! Have fun for hours blasting alien spaceships into oblivion as the game gets progressively harder to play... are you up for the challenge? NOW GAME CENTER ENABLED!!! - Easy to learn... Hard to master - 4 degrees of game difficulty - Unlimited game levels - Cool sound effects - Vivid graphics - Full game statistics - Rated for all ages DEVICE COMPATIBILITY: For all iPhone iPod touch and iPad devices running iOS 7.0 and above.
Operation
Pilot a spaceship to defend Earth from an alien invasion. Dodge enemy ships, collect star dust for points, and use onboard weapons to defeat the xenomorphs and save humanity.
- Spaceship combat
- Alien invasion defense
- Dodge enemy ships
- Collect star dust
- Use onboard weapons
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In the distant future, Earth was attacked by an alien enemy known as xenomorphs. They used their technology to infiltrate Earth and take over. However, a hero emerged who decided to defend his planet. He gathered a team of other survivors and went into space to find a way to defeat the aliens. Our hero pilots a spaceship and must destroy enemies using various weapons on board. The player's goal is to protect Earth from alien invasion and save humanity. Rules: dodge collisions with alien ships, earn 5 points for each maneuver. Star dust clouds are our helpers – they help us hide from the aliens, and you get 30 points for flying through them.
Screenshots
Verdict
The clearest difference is review sentiment: Operation at 100% against Galaxy Defender's 0%. Operation also leads on update cadence (daily vs fortnightly). Galaxy Defender's advantage is iOS requirement (7.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Galaxy Defender ships an update fortnightly, Operation daily. Both last shipped on October 16, 2026.
| Parameter | Galaxy Defender | Operation |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Procypher Software Co. | Boris Kravchenko |
Customer experience
Galaxy Defender
Operation
In-app purchases
Galaxy Defender
No in-app purchases
Operation
No in-app purchases
