Simple vs TriDo

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Your brain holds 3 things at once. Not 10. Not 50. Three. TriDo is the anti-to-do list. While every other productivity app lets you add unlimited tasks, TriDo deliberately limits you to exactly 3 per day. That constraint is the product. WHY ONLY 3 TASKS? Research from cognitive scientists like Nelson Cowan shows your working memory holds just 3 to 4 items. Every task beyond that competes for mental space, creating anxiety — not progress. The Zeigarnik Effect proves that unfinished tasks haunt your mind. A 10-item to-do list guarantees open loops at bedtime. 3 tasks can actually be finished. Every day. Productivity legends agree. Warren Buffett says "successful people say no to almost everything." James Clear writes that you fall to the level of your systems. Tim Ferriss limits himself to 2 mission-critical items. Brian Tracy's Law of Three has sold 3 million copies. TriDo turns their wisdom into a daily habit. HOW IT WORKS 1. Open TriDo. See 3 empty slots. 2. Type your 3 most important tasks. 3. Swipe right or tap to complete each one. 4. Finish all 3. Build your streak. 5. Share your wins with a beautiful card. That's it. No folders. No tags. No priorities. No integrations. Just 3 things that matter today. FEATURES - 3 daily task slots — no more, by design - Swipe-to-complete with satisfying haptic feedback - Streak tracking with milestone celebrations - 12-month heat map calendar — see your consistency - Shareable completion cards with daily quotes - Morning reminder notifications (streak-aware) - Daily motivational quotes from Buffett, Jobs, Bruce Lee, and more - Light, dark, and system themes - Configurable daily reset time - Task history — look back at what you accomplished - Data export in plain text - 100% offline — all data stays on your device - Zero data collection, zero tracking, zero accounts PRIVACY TriDo stores everything locally on your device. No accounts. No cloud. No analytics. No tracking. Your tasks are yours alone. THE PHILOSOPHY Most productivity apps fail because they mirror the problem — infinite tasks, infinite overwhelm. TriDo mirrors the solution: radical constraint. When you can only pick 3, you're forced to choose what truly matters. 3 tasks. Every day. That's all it takes.