Dual N vs Dual N Back

Designed for structured cognitive training, Dual N-Back challenges your working memory daily and helps you build sustained focus over time Dual N-Back is one of the few cognitive tasks studied in academic research with evidence suggesting improvements in working memory and fluid intelligence when practiced consistently. This app gives you a precise, distraction-free training environment plus the analytics you need to measure real progress. What you’ll get - Adaptive Dual (visual + audio) and extended modes, the app automatically raises N-level as you improve. - Session metrics: N-level, Accuracy (%), Mean Reaction Time (ms), track what's changing, not just how you feel. - Long-term charts & heat map (Premium): accuracy trends, reaction time improvements, N-level distribution and calendar streaks. - Guided Plans: 4-Week Boost, Daily Micro-Sessions, and Research-Mode for lab-style protocols. - Clean, low-distraction UI (Dark/Light), ergonomic controls for thumb response. - Customizable training environment, adjust voice, haptics and stimulus timing to match your preferred intensity. Freemium model & Honeymoon trial Enjoy full Premium access free for the first 3 days and experience the complete training system, unlimited sessions, ad-free focus, and advanced analytics that reveal your long-term cognitive growth. Premium unlocks detailed progress history, deeper performance insights, and structured plans designed for serious improvement. Who it’s for - Students and professionals who want measurable boosts in focus and mental throughput. - Adults looking to keep their memory sharp with short daily practice. - High-performers and curious minds who treat cognitive fitness seriously. Start a practice streak today. Train at the edge of your capacity, measure real results, and make cognitive fitness part of your routine. Privacy Policy: https://greenbisonstudio.web.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

頭が良くなる脳トレ「Dual N-Back」 科学的研究でワーキングメモリの強化が実証されているDual N-Backを、誰でも直感的に楽しめるアプリにしました。 【遊び方】 9マスのグリッドに色と文字（または絵文字）が表示されます。N回前と同じ色・文字が出たらボタンを押すだけ。シンプルなルールで、気づけば本気になれます。 【3つのモード】 アルファベット：集中力を鍛えたい大人に くだもの：かわいい絵文字で子供も楽しめる どうぶつ：動物好きにおすすめ 【特徴】 ・自動難易度調整：正答率に応じてNレベルが上下するので、常に適切な難しさで続けられる ・間違えてもやり直せる：ボタンをもう一度押すとキャンセル可能 ・記録を自動保存：セッションごとの正答率とNレベルの推移をグラフで確認 ・広告なし・完全オフライン：通信不要でいつでもどこでも集中できる 【こんな方に】 ・記憶力や集中力を上げたい ・子供と一緒に脳トレを楽しみたい ・スキマ時間を有効活用したい 毎日1セッション（約1分）から始めてみてください。