Ultimate Space Invaders vs Space Defenders
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ultimate Space Invaders
Experience the classic arcade shooter with enhanced graphics, powerful weapons, and an immersive soundtrack. This ultimate version brings the beloved alien invasion gameplay to modern devices.
- Classic arcade gameplay
- Updated graphics
- All-powerful weapons
- Spectacular soundtrack
- Ultimate version
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Destroy all enemy ships with this classic ship game in its ultimate version! This original Space Invaders game features up-to-date graphics and gameplay, all-powerful weapons and a spectacular soundtrack! Relive this classic game in its ultimate version!
Space Defenders
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Make your way fighting enemy alien ships, in order to defend your home! Power up and try to beat your own score!
Screenshots
Verdict
The clearest difference is update cadence: Ultimate Space Invaders at every 3 days against Space Defenders's monthly. On price, ads, in-app purchases and device support 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.
Ultimate Space Invaders ships an update every 3 days, Space Defenders monthly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.
| Parameter | Ultimate Space Invaders | Space Defenders |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 3 days — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 14 MB | 70 MB |
| Age rating | 4+ | 9+ |
| Developer | Victor Rubira Marin | Rodwel Polanco Martinez |
In-app purchases
Ultimate Space Invaders
No in-app purchases
Space Defenders
No in-app purchases
Questions
Is Ultimate Space Invaders free?
Is Space Defenders free?
Do Ultimate Space Invaders or Space Defenders have ads?
Which is updated more often, Ultimate Space Invaders or Space Defenders?
Other comparisons
