Daily cryptogram puzzles

Inkcipher

A new cipher every day.
Keep your streak alive — one quote a day.

Every puzzle is a famous quote hidden behind a substitution cipher. Crack it letter by letter, and the line reveals itself — along with who said it, when, and why it mattered. There's a Daily Cipher for your streak, a long campaign of themed levels to work through at your own pace, and hints when a puzzle refuses to give.

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Screenshots

Inkcipher home — today's daily cipher, current level, hints and puzzles solved
A new cipher every day
Inkcipher puzzle board — decoding a quote letter by letter
Solve it letter by letter
Inkcipher solved screen — the full quote with its author, year and context
The quote, and its story
Inkcipher streak calendar — days solved this month
Keep the streak alive
Inkcipher app icon

Never an ad while you're thinking.

Inkcipher is free and ad-supported, but the board is sacred: no ad ever interrupts a puzzle in progress. Ads appear between puzzles, and watching one is always your choice when you want extra hints. Everything works offline, and your progress stays on your phone.