Health & Calm
Daylight, vitamin D, migraine diaries and quiet audio, without the wellness noise.
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TestWeather migraine testCount four boxes from your diary to see if pressure-drop days really run worse.Try it free →
with MigrainePalCalculatorMigraine days calculatorYour monthly headache, migraine and medication days against the clinical lines.Try it free →with MigrainePalFinderFree meditation app finderFind the meditation app that is genuinely free for what you need it for.Try it free →
with MeditationPalCheckerVitamin D sun checkSee whether the sun can make vitamin D where you live this month, by skin type.Try it free →
with SunshinePal
with MigrainePalCalculatorMigraine days calculatorYour monthly headache, migraine and medication days against the clinical lines.Try it free →with MigrainePalFinderFree meditation app finderFind the meditation app that is genuinely free for what you need it for.Try it free →with MeditationPalCheckerVitamin D sun checkSee whether the sun can make vitamin D where you live this month, by skin type.Try it free →with SunshinePalWhich app?
Health & CalmComparisonMigraine Buddy vs Bearable: Migraine Diary or Whole-Body Tracker?One tracks migraine alone, in depth, with reports built for the clinic and an $89.99-a-year tier. The other tracks everything and tells you what correlates, for $34.99. Who each fits — and when a one-tap diary beats both.Read →Health & CalmComparison5 Best Migraine Buddy Alternatives (2026)What Migraine Buddy is free for, what MBplus costs, and five trackers worth switching to — starting with the one you can log in a single tap.Read →Health & CalmHealthThe Best Vitamin D Apps (2026)There is no single best one, because they solve four different problems. Six sunlight and vitamin D apps sorted by the job you actually need done.Read →Health & CalmMindfulnessThe Best Free Meditation Apps (2026)On the App Store "free" only means free to download. Here's which meditation apps never ask for money, which are trials in disguise, and a 30-second test to tell them apart.Read →Health & CalmHealthThe Best Migraine Tracker Apps (2026)Five migraine trackers compared by job — logging mid-attack, doctor-ready reports, scientific trigger analysis and multi-condition tracking.Read →Health & CalmComparison5 Best D Minder AlternativesD Minder's stopwatch approach works for some people and feels like homework for others. Here are five honest alternatives.Read →Health & CalmComparisonMigraine vs Migraine Buddy: A One-Tap Headache TrackerOne wants twenty answers while your head is splitting. The other wants one tap. An honest comparison of two very different migraine diaries.Read →Health & CalmComparisonSunshinePal vs D Minder: Vitamin D Dose vs Daylight HabitD Minder estimates how much vitamin D you're making in the sun. SunshinePal turns time in daylight into a daily habit. They answer different questions.Read →Health & CalmComparisonMeditationPal vs Calm: Free, Ad-Free & Private MeditationA premium library of sleep stories and guided content vs a free, private timer that just holds the space. Which one you'll actually keep using.Read →Health & CalmComparisonMeditationPal vs Headspace: Guided Course or Simple Timer?A guided subscription library vs a simple, private meditation timer with ambient sounds and your own audio — which approach fits your practice.Read →Health & CalmComparisonSunshinePal vs Apple Health "Time in Daylight"Your Apple Watch already records Time in Daylight. Here's what a daily goal, reminders, and trends add on top of the same data.Read →Health & CalmHealth & WellnessTop 5 Sunshine & Health Apps of 2025: Why Less Data Might Be MoreWe tested the leading circadian health apps to find out which ones actually help you feel better.Read →How to
Health & CalmGuideHow Much Sun Do You Need for Vitamin D?Minutes, not hours — in summer, at midday, with skin showing. The four things that move the number, and the winter months when it drops to zero.Read →Health & CalmGuideHow to Keep a Migraine Diary: What to Track & What Your Neurologist NeedsThree numbers a month, a handful of fields per attack, and a way to log the start in seconds. What ICHD-3 actually counts, how long before the diary means anything, and a free template.Read →Health & CalmGuideHow to Track Time in DaylightYour Apple Watch has probably been counting this for months. Where the number lives, why it reads zero, and the one thing it does not tell you.Read →Health & CalmGuideHow to Track Barometric Pressure MigrainesWeather is the most-blamed and least-proven migraine trigger. Here's how to test it properly on your own data — including the two boxes almost everyone forgets to count.Read →Health & CalmProduct StoryEvery Meditation App Wanted My Money. So I Built One That Wants Nothing.I tried every meditation app on the App Store. They all wanted subscriptions, social sharing, or my data. So I built MeditationPal — free, silent, private.Read →Health & CalmPersonal StoryFrom 'Sticky' to 'Sunny': Why My North Star Metric is Now Time Spent Off ScreenWe've been tricked into thinking 'engagement' means value. It's time to measure success by how much an app helps us leave it behind.Read →Health & CalmPersonal StoryI tracked my sunlight for 30 days. I was basically a vampire.I thought I got enough sun. Then I tracked it. The data was brutal. Here's what I learned about sunlight, circadian rhythms, and why I built SunshinePal.Read →Health & CalmIndependent Developer DiaryThe Most Underrated Developer Tool Isn't GitHub Copilot, It's The SunWhy optimizing for sunlight might be the productivity hack you've been missing. A counter-intuitive look at developer performance and mental health.Read →Health & CalmIndie Dev StoryPeople in my city sit in the sun like plants. So I built an app for us.I had zero coding experience. But I missed the sun. So I used AI to build SunshinePal—an app that taps you on the shoulder when the sun is out.Read →Health & CalmProduct StoryThe Story Behind SunshinePal: Reconnecting with the LightHow a simple realization about sunlight led to SunshinePal—a privacy-first app designed to help you reconnect with nature.Read →Questions
Which ElevenApril apps are for sunlight, migraine and calm?
SunshinePal: Daylight and vitamin D tracker; MigrainePal: A migraine diary that respects you; MeditationPal: A calm player for the audio you love. Each is an app with its own page on this site.
Are the free tools on this page really free?
Yes. Every tool on this page runs in your browser, with no account and nothing to download.
Where should I start with sunlight, migraine and calm?
Start with the newest guides: "How Much Sun Do You Need for Vitamin D?", "How to Keep a Migraine Diary: What to Track & What Your Neurologist Needs", "Migraine Buddy vs Bearable: Migraine Diary or Whole-Body Tracker?".