Sudoku Master Edition vs Backshift

***FEATURED AS APPLE'S GAME OF THE DAY IN 40+ COUNTRIES*** SUDOKU MASTER EDITION is classic Sudoku with a wardrobe. Play across dozens of custom themes, jump into limited-time events, and pick your fight across five difficulty levels from Easy to Master. Beautiful, minimalist, and built to keep you coming back. Whether you're a daily solver or just getting hooked, here's what's inside: THEMES & EVENTS - Dozens of custom themes to make the board truly yours - Exclusive limited-time events with rewards you won't find anywhere else - 13 app icons and 26 hand-picked fonts to match your style - Sleek Dark theme for late-night solving PLAY YOUR WAY - Five difficulty levels, from a gentle Easy to a brutal Master - Lightning Mode for fast, high-energy solving - Zen Mode for a calm, distraction-free pen-and-paper feel - Mistake Mode or Classic Mode, however you like to play - Adjustable grid styles and a modern color palette that's easy on the eyes SMART TOOLS - Highlight Helper to spot your next move - Notes for jotting down possibilities (or secret messages, we won't tell) - Auto-complete and Quick Start to skip the busywork - Daily reminders so you never break your streak - In-app tutorial and help for when you need a hand APPLE PENCIL (compatible iPad & Apple Pencil) - A true pen-and-paper experience: scribble numbers and notes by hand - Built-in Notepad to sketch ideas and erase with a tap - No Pencil? Just toggle the notepad off and play as normal Relaxing original soundtrack by EARLYGUARD, endless customization, and more on the way. Download SUDOKU MASTER EDITION and find your perfect game.

Backshift is a Dual N-Back trainer designed to strengthen your working memory through daily practice. How it works: Watch a 3×3 grid while listening to letters. Your task: identify when the current position OR sound matches what appeared N steps ago. Start at N=1 and progress as you improve. Features: • Adaptive difficulty — auto-adjusts based on your performance • Progress tracking — view your accuracy trends over time • Daily streaks — build consistency with streak tracking • Customizable sessions — adjust duration, trial speed, and gap timing • Daily reminders — never miss a training session • Multiple audio packs — letters or numbers Why Dual N-Back? Dual N-Back pushes your brain to hold more information and stay focused under pressure. Train for 20 minutes a day and build a stronger working memory. Free tier: Levels N=1 through N=3 Premium: Unlock N=4+ with a subscription, or earn it free by scoring 100% at N=5 Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/