VariantDoku vs Unciphered

No ads. No guessing. Just pure-logic variant sudoku. VariantDoku is built for solvers who want more than one daily grid — a growing library of 3,000+ variant and zero-givens puzzles, every one verified to have a single solution reachable by logic alone. No ads, ever — free or paid. WHY SOLVERS STAY - 3,000+ variant & zero-givens puzzles: killer cages, thermos, kropki dots, XV, arrows, renban, German whispers, palindromes, diagonals, anti-knight, and more - Every puzzle is logic-checked: one unique solution, no guessing required - A new daily puzzle, free for everyone — compare solve times on the daily leaderboard - Home-screen widget keeps today's puzzle one tap away - Audio narration reads the rules and tutorial steps aloud — listen while you study the grid LEARN ANY VARIANT - Step-by-step interactive tutorials for every variant, from your first 4x4 grid to mixed-constraint puzzles - A guided first-launch experience matches puzzles to your level — you're never thrown into the deep end - Already sharp? Skip straight to the expert grids TOOLS THAT RESPECT YOUR SOLVE - Candidate notes, corner marks, colors, and symbols for advanced solving - Error checking and gentle hints — only when you ask - Import puzzle links straight into your Library - Search and filters by difficulty, grid size, and constraint type - Streaks and solve history to track your progress - Dark mode and a calm interface designed for long sessions - Fully optimized for iPad in portrait and landscape, and runs on Mac BUILT TO BE ACCESSIBLE - VoiceOver plays the whole board: move cell by cell and hear the digit, your pencil marks, the clues on that cell and how it connects to its neighbours - Colour-blind support: German Whispers, Renban, Palindrome, Region Sum and Parity lines each have their own dash pattern, so no rule depends on colour alone - Reduce Motion is respected — staged hint reveals and animations settle immediately HINTS THAT COACH, NOT ANSWER - Every hint names the next logical step — Hidden Single, X-Wing, W-Wing, Simple Coloring, Forcing Chain — and highlights the cells it depends on - It reads the pencil marks you already made and builds on them - It never reveals a digit that isn't logically deduced; when the logic only rules candidates out, it shows you that instead of handing you a number THE VARIANTS LIST Classic Sudoku, Killer Sudoku, Kropki, XV, Thermo, German Whispers, Renban, Palindrome, Between Lines, Lockout Lines, Region Sum Lines, Arrow Sudoku, Diagonal (Sudoku X), Anti-Knight, Anti-King — plus multi-constraint puzzles that combine several on one board, and zero-givens puzzles solved entirely from the variant rules. Variant+ removes the hint limit and explains the available logical deductions step by step, and adds unlimited puzzles, unlimited error checking and offline Library play. The app stays 100% ad-free — free or paid. Whether you're learning your first killer cage or chasing your hundredth zero-givens solve, VariantDoku is a calm place to practice and improve. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Crack the code. Decode the quote. Unciphered is a cryptogram word puzzle where every number hides a letter — solve crossword-style clues and watch the hidden phrase reveal itself. A famous line is hiding on every board. The same number always hides the same letter, and every letter you prove fills in across the whole puzzle. Piece by piece, a proverb, a classic quote or a great line from TV comes back into the light. New to cryptograms? A one-minute guided puzzle teaches you how to play. FREE BRAIN GAME, HUNDREDS OF PUZZLES Unciphered is free to play from start to finish. Hundreds of cipher puzzles are included, from gentle warm-ups to expert decoding. Optional extras, each a one-time purchase kept forever: • The Wisdom Collection — four harder chapters, 80 more proverbs and quotes • A TV pack — 100 famous lines from much-loved sitcoms and dramas, with clues in each show's voice • A superhero film pack — 100 famous big-screen hero lines across five chapters Every pack has a free chapter to try. Coin packs are available too. DAILY PUZZLE AND STREAKS A fresh cryptogram every day keeps your streak alive. A two-week calendar lets you replay days you missed for coins, but the streak only counts the days you truly showed up. QUESTS THAT UNLOCK SECRET LEVELS Finish the day's quests — the daily puzzle plus a level you've never solved — and earn a hidden secret level, yours forever. A JOURNAL OF FAMOUS QUOTES Every phrase you decode is saved with a short, true fact about where it came from: who said it, and when. Build your own collection of wisdom, quotes and proverbs, one solve at a time. RELAXING, OFFLINE, YOURS • Play offline anywhere: no Wi-Fi needed • No account, no sign-up; progress follows you to a new iPhone through iCloud • Use Unciphered's keyboard or your own iPhone keyboard • Hints when you want them: reveal a letter or a whole word • Full VoiceOver support, large text, Reduce Motion, light and dark mode • Made for iPhone, iPad and the folding iPhone Love word games, crosswords, cryptoquotes, word search, logic puzzles or code-breaking? Unciphered is the cipher puzzle for you. Unciphered is not affiliated with or endorsed by the shows, films, networks or studios quoted.