Great !!!
Great app for improving coding and problem-solving skills. The challenges are fun, engaging, and help sharpen logical thinking. Easy to use and highly recommended!
Free
About
A fast-paced logic puzzle where you deduce a secret 4-digit code. Compete against yourself or up to 7 friends in real-time multiplayer, using color-coded clues to guide your guesses. Track your progress and climb global leaderboards.
✓Deduce secret 4-digit code
✓Color-coded clue system
✓Real-time multiplayer for up to 7 friends
✓Solo play with global leaderboard
✓Game history and stats tracking
✓Ad-free and no data tracking
Show original description
What's New in Crack the Code
2.1.0
June 11, 2026
New: 3 difficulty levels! - Easy — every digit color-coded: green = right spot, orange = wrong spot, gray = not in the code - Medium — only exact matches turn green; you deduce the rest - Hard — no colors, just match counts. Pure logic. Plus: separate Top 10 leaderboard for each level, level picker for multiplayer rooms, and updated How to Play.
MoreUser reviews
FAQ
What is the objective of Crack the Code?
The objective is to guess a secret 4-digit code with no repeated digits. You use color-coded clues after each guess to narrow down the possibilities and find the correct code.
How does multiplayer work in Crack the Code?
You can play with up to 7 friends in real-time multiplayer by creating a room code. All players race to crack the same secret code, and you can see opponents' attempt counters increase live.
Does Crack the Code have ads?
No, Crack the Code is ad-free. The developers state they do not show advertisements and only collect data necessary for leaderboard and multiplayer features.
Can I play Crack the Code offline?
The description focuses on real-time multiplayer and leaderboards, which require an internet connection. Solo play against yourself may be possible offline, but this is not explicitly stated.
What are the color clues in Crack the Code?
Clues are color-coded: GREEN means the digit is correct and in the right position. ORANGE means the digit is in the code but in the wrong position. GRAY means the digit is not in the code at all.
How is the leaderboard ranked in Crack the Code?
The global leaderboard ranks players by score, which is determined by the fewest tries and the shortest time taken to crack the code. Faster times and fewer guesses result in a higher rank.
What devices does Crack the Code support?
Crack the Code is available for iPhone, iPad, and iPod devices.
Is Crack the Code suitable for younger players?
Crack the Code is rated for ages 4+ by the app store, but the description also mentions it is for ages 13+ due to its logic and deduction complexity.