App Lock vs Sudoku Solver · Solve & Learn

App Lock is a photo vault that secures your video, photo, files, and notes with a password, fingerprint & faceID Download App Lock to trust millions of people who have stored secure photos, videos and files. After hiding photos and files that can only view with a password, fingerprint & faceID verification. Secret photo vault is the best place of storing personal photo, video and files. App Locker stores all your personal information of files and notes confidentially. Basic Features: - Password Protection - TouchID & FaceID Protection - Protect secret Photo album - Create new album - Store photo videos and files in an album - Keepsafe family photo - Secret protecting copies of ID Proof, ID cards, credit cards etc. - Import/Export from app lock app - Shared a photo and video - wireless transfer photos, videos and files from the secret photo app - Slide show photo and video - Autoplay photo and video Store private files and documents in the keepsafe secret photo. Show secret documents and files in the document reader. Users can write personal notes with a text editor and store private vaults. Welcome to mail to vijaykachhadiya4444@gmail.com, if you have any issues or suggestions for an app Thank you

Sudoku Solver is the complete companion for sudoku enthusiasts — whether you want to crack a tough puzzle, sharpen your technique, or simply understand how each solution was reached. Enter any 9x9 grid by hand, tap Solve, and watch constraint propagation and backtracking work through the board in an instant. Stumped mid-puzzle? Use the step-by-step deduction mode to reveal one logical move at a time, each labelled with the technique name — Naked Single, Hidden Single, Pointing Pair, X-Wing, and more — so you actually learn the reasoning behind every step. Conflict highlighting marks duplicate digits in red as you type, catching input errors before you solve. Pencil marks let you note candidate digits in any cell, just like pencil-and-paper play. A built-in difficulty rater analyses the techniques required and rates your puzzle from Easy to Expert. Jump-start your session with the included library of sample puzzles spanning every difficulty level. The technique glossary explains each solving strategy in plain language, making Sudoku Solver as educational as it is practical. Key features: - Instant solve via constraint propagation and backtracking - Step-by-step deduction with named technique labels - Real-time conflict highlighting - Pencil-mark candidate notation - Automatic difficulty rating (Easy to Expert) - Sample puzzle library across all difficulty levels - Technique glossary for learning and reference - Clean, distraction-free grid interface