Comparison

STOP vs Helix Protocol

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

STOP

Features
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This is a combat action game to destroy the growth of STOP-CELL that caused the pandemic on a global scale. Easy operation allowed to set the cat human beings of ten people by touching the screen, only to attack the enemy automatically by releasing the touch, anyone can play easily. Enjoy the sound and battle a powerful small cat human who fight hard.

About

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.

Screenshots

STOP4 screens
Helix Protocol4 screens

Verdict

The call

The clearest difference is in-app purchases: STOP at none against Helix Protocol's 7. STOP also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Helix Protocol sells 7 one-off in-app purchases. STOP asks for nothing beyond the download.

UpkeepUpdate frequency

STOP ships an update every 10 days, Helix Protocol every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 4 level
STOP versus Helix Protocol: the parameters behind the verdict, then further details
ParameterSTOPHelix Protocol
PriceFreeFree
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size30 MB45 MB
Age rating4+9+
DeveloperERXOleksii Poliakov

In-app purchases

None

STOP

No in-app purchases

7 purchases

Helix Protocol

One-time7
  • 50K Credits$2.99
  • 125K Credits$5.99
  • 175K Credits$8.99
Show 4 more
  • 250K Credits$12.99
  • 500K Credits$19.99
  • 750K Credits$24.99
  • 1M Credits$29.99

Questions

Is STOP free?
STOP is free to download, with no in-app purchases.
Is Helix Protocol free?
Helix Protocol is free to download, with in-app purchases available.
Do STOP or Helix Protocol have ads?
Both STOP and Helix Protocol show ads.
Which is updated more often, STOP or Helix Protocol?
STOP ships an update every 10 days, and Helix Protocol every 3 weeks. Most recently, STOP was updated on October 9, 2026 and Helix Protocol on October 8, 2026.

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