Protocol 4 vs Code Breaker Puzzle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Protocol 4
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Step into the world of elite hackers with Protocol 4! Your mission is to crack secret codes using pure logic, deduction, and specialized hacking tools. Play the high-stakes Daily Challenge, climb the Global Leaderboards, or challenge another operator to a real-time PvP Duel! Features: REAL-TIME PvP DUELS: Race another operator to the same code, or play a STANDOFF where each of you sets the code the other must break. Stake your credits — the winner takes the pot. 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 a syndicate, 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. MULTIPLE GAME MODES: Play Quick Hacks for fast action, Training to hone your skills, or the Daily Challenge for massive rewards. ARSENAL OF TOOLS: Use advanced tools like Logic Analyzers, Time Warps, and Oracle Hints to gain the upper hand. CAREER CONTRACTS: 18 long-run contracts and fresh daily missions keep your ledger moving. PROGRESSION SYSTEM: Start as a Rookie and level up to unlock elite titles and badges. Play in English, Turkish, Spanish, French, German or Portuguese — on iPhone and iPad. Are you ready to initiate Protocol 4?
Code Breaker Puzzle
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Crack the secret color sequence in limited tries. Code Breaker brings the classic code-breaking puzzle to your phone: use green, yellow, and gray feedback to narrow down the answer. · Three difficulties: Easy (3 slots, 8 tries), Normal (4 slots, 10 tries), Hard (4 slots, 8 tries, more colors). · Two feedback modes: Beginner shows exact position hints; Advanced shows only counts for a tougher challenge. · Local best level and high score—play anytime, beat your record. · Clean interface, clear colors. Perfect for commutes, before bed, or when you want a quick brain workout. Whether you love logic puzzles or Mastermind-style games, Code Breaker delivers that “got it!” moment. Download and start cracking.
Screenshots
Verdict
The clearest difference is in-app purchases: Code Breaker Puzzle at none against Protocol 4's 7. Code Breaker Puzzle also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price, update cadence 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. Code Breaker Puzzle asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.
| Parameter | Protocol 4 | Code Breaker Puzzle |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 12 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | HAKAN OZGER | 秀杰 黄 |
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
Code Breaker Puzzle
No in-app purchases









