ColdKeeper vs Puff

ColdKeeper is the simple, beautiful timer for cold therapy. Whether you're starting your first cold shower or running structured Wim Hof sessions, ColdKeeper turns every plunge into measurable progress. Designed for hands you can barely feel. Big tap targets. Strong haptics. Audio cues that get through closed eyes and a hood. No fiddling, no menus, no distractions when you're under the cold. — FOUR SESSION TYPES — • Ice Bath • Cold Shower • Open Water Swim • Contrast Therapy Pick a type, log the temperature (optional), tap the giant START button, and ColdKeeper handles the rest. — GUIDED PROTOCOLS — • Beginner Ramp — 30s → 60s → 2min over four weeks. The proven on-ramp. • Wim Hof — guided breath rounds plus immersion. Follow along, no YouTube. • Contrast Therapy — automatic hot/cold alternation, athlete-style recovery. • Custom (Pro) — design your own intervals. — DEEP HISTORY & STATS — Every session is saved with date, type, duration and water temperature. See your streak, total time under the cold, longest plunge, and weekly trend at a glance. Free tier keeps the last 7 days. Pro keeps everything, forever. — APPLE HEALTH — Sessions write to the Health app as "Cold Water Immersion" workouts (Pro). Your data stays on-device — ColdKeeper never sees it. — COLDKEEPER PRO — ONE-TIME UNLOCK For €7.99 / $7.99 (one-time, never expires) you unlock: • Unlimited history • All advanced protocols + custom protocol builder • Apple Health integration • iCloud sync across all your Apple devices • Home Screen widgets (streak + last session) • Detailed weekly and monthly stats • Priority support No subscription. Pay once. Keep forever. Free updates included. — PRIVACY BY DESIGN — No analytics. No ads. No tracking SDKs. No accounts. Your sessions live on your iPhone (and your private iCloud, if you opt in). The developer cannot see them. Read the full privacy policy at maximesaltet.com/coldkeeper/privacy. — BUILT NATIVELY FOR iOS — SwiftUI. SwiftData with CloudKit. StoreKit 2. Core Haptics. HealthKit. Localized in English and French. Light + dark mode. Dynamic Type ready. Built and maintained by an indie developer who actually answers your emails. — DISCLAIMER — ColdKeeper is a wellness and lifestyle app, not a medical device. Cold exposure can be dangerous. Consult a physician before starting, especially if you have cardiovascular conditions. Never plunge in open water alone. The app does not diagnose, treat, or prevent any condition. Stay frosty.

FOCUS DOESN'T HAVE TO FEEL SO HARD Ever open a productivity app... and close it a few minutes later? Ever feel stuck between procrastination and burnout? Ever wish focus felt calmer, cozier, and easier to begin? Puff was created for people who struggle with pressure, distraction, and overwhelming routines. Especially adults with ADHD - or anyone who finds it hard to simply start. WHAT IS PUFF Puff is a cozy focus companion and cognitive training app designed for ADHD-friendly productivity. Instead of pushing long sessions or strict routines, Puff helps you begin with short, science-backed mini-games built around a 5-minute dopamine loop. Just 5 minutes. One small win. A complete sense of closure - every single time. As you focus, your little cloud companion grows with you. WHY FOCUS CAN FEEL OVERWHELMING Many productivity apps accidentally create more stress. Too many tasks Too much pressure Too much guilt after missing a day Motivation that disappears before you even begin For many people, focus is not just about discipline. It's about emotional resistance, mental overload, dopamine-driven habits, and the fear of failing again. Puff was designed to feel different. 5 COGNITIVE MINI-GAMES Each game is a simplified version of a clinically validated cognitive paradigm - designed to fit inside 5 minutes. Star Hunter : Sustained attention and impulse inhibition Memory Library : Working memory and information manipulation Puzzle Master : Pattern recognition and fluid intelligence River Tracker : Sustained attention under distraction Stoplight : Inhibitory control and response suppression HOW PUFF HELPS Start with simple 5-minute focus sessions Build momentum without pressure or guilt Train real cognitive skills through calm, purposeful play Discover your constellations - no scores, no levels, just starlight Track your growth: today vs. yesterday, at your own pace Reduce procrastination with tiny actions that actually feel good Build sustainable focus habits over time DISCOVER YOUR CONSTELLATIONS No leaderboards. No lifetime score counters. Just quiet progress. As you play, you accumulate starlight - and with it, you uncover real constellations one by one. From Lyra to Sagittarius. It's not a reward system. It's a record of showing up. NO FAILURE. NO PUNISHMENT. Your companion does not judge you. Missing a day does not erase your progress. Puff never says you failed. It says: "Today was just a different kind of day." And it waits - again and again - for whenever you're ready to return. WHO PUFF IS FOR Adults with ADHD People struggling with procrastination Anyone overwhelmed by traditional productivity apps Students and workers who can't "just focus" People looking for calm, sustainable cognitive training Cozy game lovers who want a little warmth while they focus WHY PUFF FEELS DIFFERENT Most productivity apps try to push you harder. Puff helps you start smaller. Because sometimes the hardest part is not finishing. It's beginning. START SMALL One breath. One 5-minute session. One tiny step. Your brain does not need more pressure. It may just need a softer place to begin. Start your focus quest with Puff. Grow alongside your cozy cloud companion. And rediscover what focus can feel like - calmer, gentler, and entirely your own. Have questions or feedback? We'd love to hear from you. support@routinery.app Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://routinery-web-routinery.vercel.app/puff/privacy