Health & body

57 projects

• Reality Check — Guess the real median financial stats

  A 10-round estimation game where you guess real median financial statistics before seeing the answer. Your calibration score reveals where your mental model of normal is most distorted.

  Games & challenges · Health & body

• Pet Vax Check: Is This Post-Vaccine Symptom Normal or an Emergency?

  A time-specific go/wait decision tool for post-vaccination symptoms in pets. Select vaccine, enter hours since shot, and tap symptoms for an instant, caution-biased verdict.

  Checkers & references · Health & body

• Pill Stack — Check if your cold meds are secretly double-dosing you

  Pill Stack lets you search and select OTC medications by brand name, then instantly visualizes every active ingredient stacked across products with total dose vs FDA daily limits.

  Checkers & references · Health & body

• Sleep Shift — Shift Your Sleep Schedule on a Timeline

  Enter your current and target bedtime, wake time, and how many days you have. Sleep Shift builds a day-by-day plan using the 15-minute-per-day rule.

  Tools & utilities · Health & body

• Cool Down — Two-tap de-escalation phrases for adrenaline moments

  Pick your conflict type and escalation level, instantly get 2-3 specific phrases with a one-line rationale. Built for shaking hands and racing hearts — zero typing required.

  Tools & utilities · Health & body

• Calorie Sort — Train Your Calorie Intuition in 30 Seconds

  A 30-second food sorting game that trains your calorie intuition. Sort 5 foods by calories per 100g, see real USDA data, and beat your personal best.

  Trainers & drills · Health & body

• Sleep Gap Check — See How Much Sleep Your Child Loses

  Enter your child

  Calculators · Health & body

• 🎯 In Range — Normal Blood Pressure & Lab Values Quiz

  A timed practice game to classify real health metrics — blood pressure, cholesterol, glucose, 120+ more — against guideline ranges. Play the daily challenge and build instant recognition.

  Quizzes & personality tests · Health & body

• Sun Time ☀️ UV Index to Personal Burn Time Calculator

  See any UV index. Know your burn time in seconds. Pick your Fitzpatrick skin type, enter today

  Calculators · Health & body

• Stress Guess — Guess the Stress Score of Life Events

  A 10-round guessing game where you estimate the stress score of everyday life events. Backed by the 1967 Holmes-Rahe scale, it reveals how cumulative change—positive or negative—drives burnout.

  Games & challenges · Health & body

• Study Real — Spot Weak Health Studies in 90 Seconds

  A 90-second quiz that shows you real health-study headlines. Commit your guess: is the evidence strong, weak, or can

  Quizzes & personality tests · Health & body

• Lab Sheet — Understand Blood Test Results in 10 Seconds

  Enter your blood test values and instantly see a color-coded dashboard with plain-language explanations against sourced medical reference ranges. Private, local, no data leaves your browser.

  Checkers & references · Health & body

• Pressure Check: What does your blood pressure mean?

  Enter two numbers, know what to do next — no articles to scroll. Instantly maps a blood pressure reading to its AHA category, a concrete action card, and age context.

  Checkers & references · Health & body

• Ring Check — Hearing Risk Calculator | NIOSH Noise Dose

  Check your hearing risk before the show. Pick your noise source and duration to see your NIOSH noise dose percentage and whether to bring earplugs.

  Checkers & references · Health & body

• Plant Keeper — Practice Watering Houseplants Without Killing Real Ones

  A bite-sized simulation game that trains your houseplant watering instinct. Choose from 25+ real species, dial in water and frequency, and watch a 30-day health curve reveal your specific watering mistake.

  Trainers & drills · Health & body

• Dose Check — Weight-based pediatric dosing in seconds

  Fast weight-based dosing reference for 12 common OTC medications. Select medication, enter weight, get exact mg and mL instantly. FDA-sourced.

  Checkers & references · Health & body

• Pitch Ready — Stress-Test Your Business Idea in 3 Minutes

  An honest diagnostic tool for new business ideas. Answer 8 honest questions, get a 5-dimension scorecard with fully transparent rubric scoring, and see exactly which assumption is weakest — then come back after refining.

  Quizzes & personality tests · Health & body

• Sleep Fix: Find Your Best Sleep Fix Right Now

  A zero-typing sleep tool for the 2 AM struggle. Tap through 10 quick questions to get one high-impact fix to try in the next 10 minutes, grounded in published sleep science.

  Quizzes & personality tests · Health & body

• Sun Timer — Sunscreen Reapply Calculator

  Know the exact minute your sunscreen stops working. Enter your UV index, skin type, and SPF to find out if you burn faster than the 2-hour rule.

  Calculators · Health & body

• Keep Gains: Muscle Loss Calculator & Retention Curve

  See how much muscle and strength you keep during a training break. Personalized retention curve with cited sports science and confidence bands. Rest without anxiety.

  Calculators · Health & body

• Fault Line — Map Your Hidden Dependencies

  Fault Line is a personal infrastructure audit tool. List every system you depend on, mark when each last worked as promised, and see your fragility map.

  Checkers & references · Health & body

• Dealbreaker — See where any deal breaks before it breaks you

  Stress-test the structural integrity of any deal, contract, or agreement. Identify the compliance burden, incentive gaps, enforcement voids, and historical failure patterns before you sign.

  Checkers & references · Health & body

• Visit card — Say what you actually mean to say

  Answer honest questions at home about sleep, mood, energy, and physical symptoms. Get a one-page talking-points card to read aloud or hand to your doctor. Private. No scores.

  Trackers & live data · Health & body

• Sleep Stack — Rank sleep habits, see your misconception gap

  An interactive game: drag-rank 10 sleep habits by perceived impact, then see evidence-based ranking with normalized effect sizes and your personal misconception gap.

  Games & challenges · Health & body

• 😴 Sleep Debt: Am I Too Tired to Drive?

  Enter your recent sleep hours. We translate your fatigue into a BAC-equivalent impairment level backed by published sleep research.

  Tools & utilities · Health & body

• Sick Call — Am I Too Sick to Go In? 5-Question Checker

  Sick Call is a fast symptom-based decision tool. Answer 5 yes/no questions about fever, cough, vomiting, sore throat, and duration. Get a clear verdict card with return-to-work criteria, escalation warnings, and CDC sources.

  Checkers & references · Health & body

• Ingredient Alert — Check Supplement Ingredients Against Health Authority Warnings

  Type any supplement ingredient name and instantly see if FDA, EMA, WHO, or other health authorities have flagged or banned it. Every warning links to the original advisory.

  Checkers & references · Health & body

• Double Dose | Spot the hidden overdose in your pharmacy shelf

  Double Dose is a daily 60-second mini-game that trains you to recognize when common OTC products share the same active ingredient under different brand names. Built on FDA-sourced data.

  Trainers & drills · Health & body

• Caffeine Clock — Will tonight's caffeine let you sleep?

  Log every caffeine source you consume throughout the day and get a personalized decay curve showing exactly how much caffeine will still be in your system at bedtime.

  Calculators · Health & body

• Blood Type Matcher - ABO/Rh Compatibility Game

  Master blood type compatibility under time pressure. A fast-paced solo game for medical students, donors, and first responders to build instant recall of donor-recipient rules.

  Games & challenges · Health & body

• Allergies or Cold? 30-Second Symptom Check | Allergy or Cold

  Check only the symptoms you have right now. See a transparent scored split showing which of your symptoms point toward allergies vs a cold — in 30 seconds, not 30 questions. Criteria sourced from CDC and AAAAI guidance.

  Checkers & references · Health & body

• AQI Plan — Turn any AQI number into a personal yes/no action plan for your health profile

  AQI Plan translates a specific air quality number into specific actions for your specific health situation — asthma, pregnancy, heart disease, children, athletes, or healthy adults. Enter a number, pick your profile, get a one-screen do/don

  Tools & utilities · Health & body

• Symptom Sort — Daily Triage Reflex Game

  A daily symptom triage game that trains you to recognize emergencies, urgencies, and self-care through rapid scenarios backed by CDC, NHS 111, and Mayo Clinic guidelines.

  Trainers & drills · Health & body

• Clear Test — Exact Drug Test Detection Windows

  See exact drug test detection windows for any substance. Select a substance and frequency of use to instantly see detection times across urine, blood, saliva, and hair tests. Sourced data, no spam.

  Tools & utilities · Health & body

• Still Proven? Check if your medical procedure is still backed by evidence

  Search 50+ common medical procedures and instantly see the current evidence verdict with a citable source and plain-language explanation.

  Checkers & references · Health & body

• Dose Map — Personalized Toxic Dose Calculator

  See your personal toxic dose for everyday substances in 5 seconds. Search caffeine, salt, water, vitamins, or spices, enter your weight, and get a clear three-zone safety card with cited sources.

  Calculators · Health & body

• Dose Clock — When is your next dose safe?

  A no-signup tool for parents and caregivers. Enter what you took, when you took it, and the minimum interval from the label — get a live countdown to your next safe dose.

  Trackers & live data · Health & body

• Visit Ready — Doctor Visit Checklist

  Visit Ready is a free, situation-specific interactive checklist for medical appointments. Pick your scenario, get prioritized questions, and jot answers during your visit.

  Checkers & references · Health & body

• 🎯 Percent Sense — Decode Misleading Percentages

  Train your 3-second reflex against misleading percentage claims in retail, medical, and financial ads. Play 10 rounds daily and build a durable mental catalog of deception patterns.

  Trainers & drills · Health & body

• Hydration Math — Hourly Water Intake Calculator for Heat Waves

  A personalized hydration planner for heat waves. Enter your body weight, temperature, activity, and duration to get a visual hour-by-hour water schedule with electrolyte timing and self-check warning signs. Built on NIOSH, ACSM, and EFSA/IOM guidelines.

  Calculators · Health & body

• Chore Split ⚖️ | Fair Household Chore Equity Calculator

  A 2-minute household chore equity calculator that counts both visible time and invisible mental-load labor. See who really does more, transparently. No account, no ongoing logging.

  Calculators · Health & body

• Sick Day Rule — Should You Stay Home? CDC-Sourced Thresholds

  Tap your symptom to see the exact fever threshold, contagious window, and return-to-work rule with CDC citations. For the 6 AM stay-home-or-go decision.

  Tools & utilities · Health & body

• Underfoot — Structural Integrity Audit

  Underfoot maps your situation to a specific historical collapse archetype, then generates the three exact stress tests you need to run before the floor gives way.

  Checkers & references · Health & body

• What Stage — Medical-grade clarity for boundary violations

  What Stage is a diagnostic staging tool that classifies boundary violations on a 1–4 escalation trajectory. Inspired by medical staging for cancer, it gives you an objective framework to stop minimizing and start acting — whether it

  Tools & utilities · Health & body

• Stress Tax — How Much of Your Impulse Spending Is Stress Spending?

  Free, private calculator that reveals what share of your impulse purchases were driven by stress. Log 3-5 recent buys, tag each one, and get a single honest percentage. No account, no backend, no judgment.

  Calculators · Health & body

• Sleep Debt Calculator — Know Your Weekly Sleep Debt & Health Risk

  Enter your week of sleep hours and see your exact cumulative sleep debt, health-risk tier mapped to published research, and recovery time — in 15 seconds. No app, no tracking.

  Calculators · Health & body

• 2 AM Sleep — CBT-I Techniques for Your Specific Insomnia Symptom

  A free, no-signup reference that matches your specific insomnia symptom to 2-3 evidence-based CBT-I techniques with clinical citations. Designed for the 2 AM moment when you need the right technique, not another generic listicle.

  Checkers & references · Health & body

• Runway — See Your Financial Runway in Three Scenarios

  Runway helps freelancers visualize financial runway across best, expected, and worst income scenarios. Enter balance, burn, and three income estimates to see a color-coded timeline showing exactly when each scenario hits $0.

  Calculators · Health & body

• Lab Read — See Where Your Lab Number Sits on the Normal Range

  Select from 40+ common blood tests, enter your value, and instantly see it plotted on a color-coded normal range bar with plain-language context. No account, no scary articles.

  Tools & utilities · Health & body

• Pest Doctor — Identify Garden Pests in 30 Seconds

  Answer 3 quick questions about plant damage and get one pest ID with organic-first treatment options. Covers 28 common garden pests. No signup, no camera.

  Quizzes & personality tests · Health & body

• Double Vision — Map your dissonance tolerance

  A psychological assessment that measures your capacity to hold contradictory truths. See where you can hold complexity and where your edges are. Not therapy. Not a personality test.

  Quizzes & personality tests · Health & body

• ⏱ Clock Speed — Map Your Life's Differential Time Compression

  Clock Speed maps differential time compression across your life. Answer questions about stress, finances, relationships, health, and environment to see which domains are red-lining past your calendar age and which are decelerating — moving slower, richer, more alive. Grounded in epigenetic aging…

  Quizzes & personality tests · Health & body

• Caffeine Curve — When Can You Sleep Tonight?

  See exactly when caffeine stops ruining your sleep based on your actual drinks. Log what you drank and when, and instantly see the exact clock time caffeine drops below your sleep-safe threshold.

  Tools & utilities · Health & body

• Burn Ready — Test Your Burn First-Aid Reflexes in 60 Seconds

  A rapid-fire 60-second game that challenges you to match 10 common household burn scenarios with the correct first response. Learn why folk remedies like butter and ice are dangerous, with protocols sourced from Red Cross, Mayo Clinic, and WHO.

  Trainers & drills · Health & body

• Burn Clock — Your Personal Sun-Burn Countdown

  Convert today

  Calculators · Health & body

• Breed Check — Real Health Risks & Lifetime Costs for Any Dog Breed

  Get a sourced health profile for any dog breed: genetic issues, lifespan, annual vet costs, exercise needs, and apartment suitability. Data from OMIA, VetCompass, PetPlan/Healthy Paws 2023-2024, AAHA. Ad-free, no breeder links.

  Calculators · Health & body

• MedBill Decoder — Spot Overcharges on Your Medical Bill

  Pick your bill type, scan a 7-item checklist of common overcharges, and copy a fill-in-the-blank dispute letter. No data leaves your browser.

  Checkers & references · Health & body