Helix Protocol vs Galaxy Alien Space Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Helix Protocol
Read full descriptionHide full description
When humanity faced the threat of an alien invasion, Earth’s last line of defense was activated — the Helix Protocol. - The Immortal Warrior - You are a clone, reborn after every death through advanced consciousness and memory replication. Each defeat makes you stronger. - Progress Through Experience - The system analyzes your performance and rewards you with credits. Use them to upgrade your ship and unlock its full potential. Tactical Energy Management: Redirect power between shields, weapons, and engines to adapt to the evolving threats in battle. - Ship Customization - Tune your ship to match your playstyle and gain a strategic advantage. - Global Pilot Rankings - Compete with other players on the leaderboard that reflects your achievements in combat. Helix Protocol is more than survival. It’s a journey of evolution, relentless improvement, and resistance. Prove you’re not just a survivor — turn every defeat into experience, and every victory into a new era in the war for Earth’s future.
Galaxy Alien Space Attack
Read full descriptionHide full description
Take control of a powerful fighter and defend the galaxy against endless waves of alien enemies! Galaxy Alien Space Attack is an exciting arcade shooting game inspired by classic space shooters with modern graphics, smooth controls, and intense bullet hell action. Fly through deep space, dodge enemy attacks, destroy alien fleets, and challenge massive boss battles. Upgrade your spaceship with powerful weapons, missiles, lasers, shields, and special abilities to survive increasingly difficult missions. Game Features: • Fast-paced arcade shooter gameplay • Beautiful sci-fi space environments • Epic boss fights • Multiple fighter upgrades • Powerful weapons and special skills • Smooth one-finger controls • Offline play anytime • Optimized for phones and tablets Whether you enjoy retro arcade games, classic space shooters, or modern bullet hell adventures, this game delivers nonstop action and exciting combat. Test your reflexes, collect upgrades, unlock stronger fighters, and become the ultimate galaxy defender. Download now and begin your space battle against the alien invasion!
Screenshots
Verdict
The clearest difference is in-app purchases: Galaxy Alien Space Attack at none against Helix Protocol's 7. Galaxy Alien Space Attack also leads on update cadence (daily vs every 3 weeks) and device support (3 vs 1). On price and ads 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. Helix Protocol sells 7 one-off in-app purchases. Galaxy Alien Space Attack asks for nothing beyond the download.
Helix Protocol ships an update every 3 weeks, Galaxy Alien Space Attack daily. The most recent releases landed on September 21, 2026 and August 2, 2026 respectively.
| Parameter | Helix Protocol | Galaxy Alien Space Attack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 87 MB |
| Age rating | 9+ | 4+ |
| Developer | Oleksii Poliakov | 刚 曾 |
In-app purchases
Helix Protocol
- 50K Credits$2.99
- 125K Credits$5.99
- 175K Credits$8.99
Show 4 moreShow fewer
- 250K Credits$12.99
- 500K Credits$19.99
- 750K Credits$24.99
- 1M Credits$29.99
Galaxy Alien Space Attack
No in-app purchases





