Summa vs SUM

Summa is a calm, elegant number puzzle: a quiet game of placing the right numbers in the right order. Each level gives you a target and a template, a row of empty slots joined by fixed math operations. From a small pool of numbers, you drop one into each slot so the whole expression lands exactly on the target. The trick is working out which number goes where. Easy to pick up, satisfying to solve. A challenge every day: • Daily Puzzle: one fresh, hand-picked puzzle to solve each day. • Daily Rush: race the clock, chase a high score, and see where your run lands. • Keep a daily streak going by coming back each day. Features: • Multiple difficulty tiers, from gentle warm-ups to expert head-scratchers • Hints for when you want a nudge, so you are never truly stuck • Fully offline: play on a plane, on the subway, or anywhere with no signal • A minimalist, distraction-free design built for focus • Progress syncs across your devices with iCloud A gentle brain workout for every age: a playful way for kids to build number sense, a rewarding daily exercise for older minds that love to stay sharp, and a genuinely clever challenge for anyone who enjoys mental math. Five minutes or fifty, Summa is a relaxing way to spend them.

SUM is a quiet puzzle game about seeing mathematical relationships. Move, compare and arrange mathematical pieces until the idea behind each puzzle becomes clear. There are no timers, scores, streaks or advertisements — only space to look, notice and understand. Explore the first two sets for free. Unlock Premium once to continue through the complete collection of puzzles and mathematical cards.