MentalMather vs Tendril Puzzles

MentalMather measures your daily cognitive performance through mental math — not to teach you math, but to measure how sharp your brain is right now. HOW IT WORKS Take a quick Sharpness Test each day. The app compares your speed across addition, subtraction, multiplication, and division against your own historical baseline. The result is your Sharpness Score — a personalized metric that tells you whether you're performing above or below your norm. This isn't about getting better at math. It's about measuring your cognitive throughput. When your working memory is firing on all cylinders, you solve problems faster. When it's not — due to poor sleep, stress, or fatigue — your score reflects that. FEATURES - Sharpness Score — your daily cognitive performance metric, personalized to your baseline - Guided Assessment — finds your ideal difficulty level automatically - Quick Play — practice at your own pace with customizable difficulty, timing, and operations - Challenge Mode — create challenges and share them with friends via code or QR, then compare results - Detailed History — every session tracked with per-problem breakdowns and solve times - Stats & Analytics — sloppiness tracking, personal bests, per-operation performance - Light & Dark themes — premium dark mode with metallic design, clean light mode - Haptic feedback — feel your correct and incorrect answers - Works offline — all your data stays on your device WHY MENTALMATHER Most brain training apps are games disguised as science. MentalMather is a measurement tool. Your Sharpness Score compares you against yourself — not against strangers on a leaderboard. The question isn't "are you good at math?" It's "how sharp are you today compared to your own baseline?" Built for people who care about their cognitive performance and want a quick, honest daily check-in.

Tendril is a calm logic-puzzle game about drawing lines. Every number tells you how many cells its line covers. Drag out from a number — or from any empty cell — and watch the board fill. When every clue is satisfied and every cell is covered, the board blooms. TWO GAMES IN ONE • Lines — each number grows one straight line. Easy to learn, deep to master. • Branches — numbers grow arms in several directions at once. The same counting, a whole different puzzle. From a gentle first board to Extreme packs on boards up to 17×17, there is always a next step. A DAILY RITUAL Two fresh puzzles every day, one of each kind. Keep a streak, compare times on the daily board, and come back tomorrow. Play a week in a row and you earn a rest day, so a missed day does not undo the month behind it — and every seventh day in a row pays a little extra for the garden. A GARDEN THAT COMES ALIVE Solving earns Water and Seeds. Spend them in your own small meadow: plant flowers, bushes and trees, grow them stage by stage, and arrange everything the way you like. Grow the right things and animals move in — twelve of them, from a butterfly and a frog to a fox, an owl and a bear. Tap one and it hides. The meadow follows the seasons, visitors pass through, and a journal tells you who lives here and who might come next. FRIENDS AND LEADERBOARDS Daily, weekly and all-time boards, with your own neighbourhood always in view. Follow friends with a link, challenge them to beat your time on a board you just solved, leave a reaction on a good solve, and visit their gardens. SOMETHING TO AIM FOR Awards for streaks, for perfect days and flawless runs, for whole packs finished without a reveal, for Extreme boards and for a garden full of life — each one showing how close you are, and remembering the day you earned it. HELP THAT WAITS TO BE ASKED A hint asks what you need: check the board for mistakes and erase them in one step, or be shown the next move the board proves. Zoom in on any board, and every line shows which number it belongs to. MADE TO BE KIND • More than 2,100 puzzles, and every one has exactly one solution — you never have to guess. • Packs and stats work offline. • 14 languages, light and dark themes, colour-blind friendly palettes, and reduce-motion support. • Notifications are optional and asked for in context, never at startup. • Free to play, with three free hints every day. Tendril Complete, one optional purchase, removes ads and gives you unlimited hints. Water and Seeds are on sale too, for a garden that grows faster. No subscriptions, ever. Five quiet minutes a day, or a whole evening — the garden will be there either way.