Know before the pain starts.

Your joints feel the storm when it arrives. Flare warns you hours earlier — time to take meds, plan your day, and show your doctor the proof.

The Flare app welcome screen
Ember, the Flare mascot, keeping watch

The science

You're not imagining it. Weather sensitivity is real. Researchers call it meteoropathy.

75%

of people with arthritis feel the weather in their joints.

Landmark study

"Cloudy with a Chance of Pain"

npj Digital Medicine, 2019

Cohort

13,000 people

tracked daily for 15 months

Finding

20% higher odds of pain

on damp, low-pressure days

How it works

You log. Flare watches the sky.

1

Log how you feel

Pain, stiffness, fatigue. One tap a day.

2

Flare watches the weather

Pressure, cold, humidity, and wind at your location.

3

You get warned early

An alert hours ahead, with what to do about it.

Features

Flare connects the dots.

Your symptoms, your sleep, your weather. Alone they're noise. Together they're a pattern.

Alerts before flares

Pick your triggers. Flare warns you ahead, even overnight.

Personal trigger analysis

Flare lines up your logs, sleep, and weather to find what actually precedes your bad days.

Prep plans

Meds early, heat packs out. Steps timed to the forecast.

Doctor-ready reports

Proof for your appointments. A clean PDF connecting your symptoms to the weather record.

Reviews

Take their word for it.

From early users who know exactly what a pressure drop feels like.

“I finally feel like I understand my flares.”

I’ve spent years wondering why some days are suddenly so much worse than others. Seeing my symptoms alongside the weather has helped me notice patterns I never would have caught myself.

“The weather thing is REAL 😭”

I’ve always said I can feel when the weather is about to change and everyone thinks I’m being dramatic 😂 apparently not!!

“Logging takes literally seconds.”

Most symptom trackers are way too much effort when you’re already exhausted. This is quick enough that I actually stick with it.

“I showed this to my rheumatologist”

The tracking has actually made it easier to explain what’s been happening between appointments because otherwise I genuinely forget.

“I’m 62 and even I figured it out”

Usually terrible with apps but this one is actually straightforward. I like checking it in the morning before I decide what I’m doing that day.

“Helpful, not magic”

Just leaving this because some people expect apps to magically fix everything lol. It doesn’t. But it does help me understand my symptoms and feel more prepared.

“Actually kinda obsessed with this”

I downloaded this expecting another symptom tracker I’d forget about lol but I actually use it every day now. The flare predictions have been weirdly accurate for me.

“My joints knew before the app did 😂”

Jokes aside, I do actually find it helpful. Sometimes I wish the notifications came a little earlier though.

“The alerts are genuinely useful.”

I like knowing when a rough day might be coming so I can plan ahead instead of being completely caught off guard.

“Why has nobody made this before???”

Seriously. Arthritis + weather seems so obvious now lol.

“The doctor report feature is SUCH a good idea.”

I always forget what happened between appointments. Having everything tracked in one place makes it so much easier to explain what’s actually been going on.

“My mum has arthritis too and I immediately sent this to her lol”

She’s always talking about how certain days are worse than others so I feel like she’s going to love this.

“I check my Flare score every morning now.”

It’s become part of my routine. It helps me think about how I want to structure my day.

“As a 27 year old with arthritis…”

Sometimes arthritis apps feel like they were designed for my grandma 😭 this one actually feels modern and easy to use.

“Weather thing is crazy”

My husband has been making fun of me for YEARS because I always say “my knees hurt, it’s going to rain” 😂😂 sent him this app. Who’s laughing now.

“It makes my arthritis feel less unpredictable.”

Nothing can magically stop a flare, obviously, but having a better sense of my patterns has made me feel much more in control.

“Love it but pls add dark mode 😭”

That is literally my only complaint. Otherwise really nice app.

“This is the first arthritis app I’ve actually kept using.”

Usually I download health apps and forget about them after three days. This one feels practical enough to keep coming back to.

“Good for someone newly diagnosed”

I was diagnosed last year and still trying to understand my body. This has been a nice way to start paying attention to what affects me without feeling overwhelmed.

“My mom recommended this to me”

She has osteoarthritis and uses it more than me now lol. We literally compare our flare scores 😭

“Way more personal than I expected.”

I assumed it would just give generic weather advice, but after logging consistently, the insights started feeling specific to my symptoms.

Privacy

Your health data never leaves your phone.

  • Symptoms and health metrics stay on your device
  • No account, no sign-up, no password
  • Alerts use your location and thresholds only
  • We never sell data. There's nothing to sell.
0

bytes of your health data on our servers

Ember, the Flare mascot

Join the 75% who feel the weather coming

Your pain has a forecast now.

Download on the App Store