Protocol 4 vs Stolen Worlds
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Protocol 4
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Crack the code before your rival does. Protocol 4 is a hacker game of pure deduction. Every guess gives you signal readings; you break the passcode with logic, not luck. Play solo, take on the Daily Operation, or duel another operator in real time. REAL-TIME PvP DUELS Race: one passcode, two operators. First one through wins. Standoff: each of you sets the code the other must break. Two codes, one clock, and you watch them close in on yours. Outsmart your rival and claim the reward. DAILY OPERATION A new code every day, the same for everyone. Crack it, climb the daily leaderboard and earn double XP. BUILD YOUR EMPIRE Assemble mining rigs, expand your vault, and run overclocks. Your network keeps earning credits while you are away. SYNDICATES AND TERRITORY Join one of three syndicates, claim territory on the map, and take your share of the pot that every raid feeds. RAIDS Break into a rival operator's grid and take what they left unguarded, then set your own defenses before they come for you. GLOBAL LEADERBOARD Earn XP and climb fifteen ranks to become the ultimate Server King. MORE WAYS TO PLAY Quick Hacks for fast action, Training to sharpen your deduction, and 18 career contracts plus fresh daily missions. ARSENAL OF TOOLS Oracle Scan, Double XP and more hacking tools to gain the upper hand when a code will not give. Play in English, Turkish, Spanish, French, German or Portuguese, on iPhone and iPad. Are you ready to initiate Protocol 4?
Stolen Worlds
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The universe is dying. You are the last one who can save it. After an ancient catastrophe shattered entire planets into drifting asteroid fields, only fragments of their energy cores remain. But you’re not alone. Relentless blue machines consume everything in their path. Shadow-born organisms hunt what’s left alive. You are the Red Guardian, a forgotten maintenance unit with a new purpose: stabilize the chaos before all energy fades. Build stabilization networks. Activate defensive pulses. Survive. Or watch the universe go dark.
Screenshots
Verdict
The clearest difference is in-app purchases: Stolen Worlds at none against Protocol 4's 7. Stolen Worlds also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price 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. Protocol 4 sells 7 one-off in-app purchases. Stolen Worlds asks for nothing beyond the download.
| Parameter | Protocol 4 | Stolen Worlds |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 365 MB |
| Age rating | 4+ | 4+ |
| Developer | HAKAN OZGER | Gunar Ortiz |
In-app purchases
Protocol 4
- Pocket Change$0.99
- Starter Kit$1.99
- Agent License$2.99
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- Hacker's Stash$4.99
- Pro Kit$4.99
- Trust Fund$9.99
- Master Kit$9.99
Stolen Worlds
No in-app purchases









