Helix Protocol vs 4L13N
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Helix Protocol
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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.
4L13N
Defend Earth from an alien invasion in this arcade-style ship-shooter. Upgrade your weapons and shooting rate to vaporize the extraterrestrial swarm. Your decisions will shape the future of the planet.
- Arcade-style gameplay
- Alien invasion defense
- Ship-shooter action
- Weapon upgrade system
- Decision-based upgrades
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Earth is being invaded by a swarm of green aliens! Can you fend off the aliens one level at a time and stop them at the source? Unlock upgrades along the way, and make the decision to upgrade to a bigger shot, or a faster shooting rate. Why not upgrade both and vaporize all the aliens on the screen? Only you can decide the future of Earth in this arcade style ship-shooter game!
Screenshots
Verdict
The clearest difference is price: Helix Protocol at Free against 4L13N's $0.99. Helix Protocol also leads on iOS requirement (16.0 vs 18.4). 4L13N's advantage is in-app purchases (none vs 7) and ads (none vs shown). On 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
Helix Protocol is free to download; 4L13N costs $0.99 up front. Helix Protocol sells 7 one-off in-app purchases. 4L13N asks for nothing beyond the download.
| Parameter | Helix Protocol | 4L13N |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 45 MB | 569 MB |
| Age rating | 9+ | 4+ |
| Developer | Oleksii Poliakov | Harrison Lacy |
In-app purchases
Helix Protocol
- 50K Credits$2.99
- 125K Credits$5.99
- 175K Credits$8.99
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- 250K Credits$12.99
- 500K Credits$19.99
- 750K Credits$24.99
- 1M Credits$29.99
4L13N
No in-app purchases









