Your symptoms are unique, and
so are your needs
Track your symptoms & Find the answers you deserve
Track your symptoms & Find the answers you deserve


The Smartest Way to Track Your Symptoms
The Smartest Way to Track Your Symptoms
The Smartest Way to Track Your Symptoms
Lucent’s symptom tracker is the first of its kind, powered by AI to learn as you track. No more rigid templates or dropdowns—just tell it what’s wrong, and it understands. Start your journey to better health today.
Lucent’s symptom tracker is the first of its kind, powered by AI to learn as you track. No more rigid templates or dropdowns—just tell it what’s wrong, and it understands. Start your journey to better health today.
Lucent’s symptom tracker is the first of its kind, powered by AI to learn as you track. No more rigid templates or dropdowns—just tell it what’s wrong, and it understands. Start your journey to better health today.



Trust you can rely on
Trust you can rely on
Trust you can rely on
Lucent Sci is HIPAA & GDPR compliant, with encrypted data and a strict no data-selling policy. Built by a team with over 100 years of combined clinical experience, and powered by cutting-edge tech from Google, Anthropic, AWS, and more.
Lucent Sci is HIPAA & GDPR compliant, with encrypted data and a strict no data-selling policy. Built by a team with over 100 years of combined clinical experience, and powered by cutting-edge tech from Google, Anthropic, AWS, and more.
Lucent Sci is HIPAA & GDPR compliant, with encrypted data and a strict no data-selling policy. Built by a team with over 100 years of combined clinical experience, and powered by cutting-edge tech from Google, Anthropic, AWS, and more.



Trusted by millions
Trusted by millions
Trusted by millions
Over a million people have already used our technology to improve their lives!
Over a million people have already used our technology to improve their lives!
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
I finally found a symptom tracker that won't force me to contain what I FEEL into silly little boxes. Lucent is able to understand all that I tell it, no matter how weird or complicated.
Anna
Source
I literally cried when it showed me that my severe dermatitis episodes were correlated with combinations of high-histamine food. Just a month of symptom tracking turned my entire life around.
Anonymous
Source
I've been using it to track for just a week - and it caught a pattern I never noticed my entire life. Mind-blowing and very helpful.
Theo
Source
Finally found something that works better than my spreadsheet! The fact that it does research for you based on each new thing that you report is crazy.
Arataki
Source
Track Your Symptoms in 3 Steps
Track Your Symptoms in 3 Steps
Track Your Symptoms in 3 Steps
Over a million people have already used our technology to improve their lives!
Over a million people have already used our technology to improve their lives!
Log Your Symptoms: Tell the app what’s wrong, and it learns.



Lucent Analyzes your symptoms and offers smart insights.



Uncover hidden insights about your condition as you track



Select Your Conditions
Select Your Conditions
Select Your Conditions
Tinnitus
Tinnitus
The perception of noise or ringing in the ears without an external sound source.
The perception of noise or ringing in the ears without an external sound source.
Cluster Headache
Cluster Headache
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
Hashimoto's Thyroiditis
Hashimoto's Thyroiditis
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
Alzheimer's Disease
Alzheimer's Disease
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
Parkinson's Disease
Parkinson's Disease
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
One-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose.
Visual Snow Syndrome
Visual Snow Syndrome
A neurological condition characterized by tiny dots in the visual field similar to static, snow, or television noise.
A neurological condition characterized by tiny dots in the visual field similar to static, snow, or television noise.
Fibromyalgia
Fibromyalgia
Chronic condition characterized by widespread pain, fatigue, and other symptoms like sleep disturbances and cognitive difficulties.
Chronic condition characterized by widespread pain, fatigue, and other symptoms like sleep disturbances and cognitive difficulties.
Crohn's Disease
Crohn's Disease
Chronic inflammatory bowel disease (IBD) that causes inflammation of the digestive tract.
Chronic inflammatory bowel disease (IBD) that causes inflammation of the digestive tract.
Depersonalization / Derealization Disorder
Depersonalization / Derealization Disorder
Mental health condition where individuals experience persistent feelings of detachment from themselves (depersonalization) or their surroundings (derealization), or both.
Mental health condition where individuals experience persistent feelings of detachment from themselves (depersonalization) or their surroundings (derealization), or both.
Hidradenitis Suppurativa
Hidradenitis Suppurativa
Chronic inflammatory skin condition characterized by recurrent, painful, and often draining boils or nodules.
Chronic inflammatory skin condition characterized by recurrent, painful, and often draining boils or nodules.
Long Covid
Long Covid
Persistent symptoms that continue after the initial COVID-19 infection has resolved.
Persistent symptoms that continue after the initial COVID-19 infection has resolved.
Myalgic Encephalomyelitis
Myalgic Encephalomyelitis
Mental health condition where individuals experience persistent feelings of detachment from themselves (depersonalization) or their surroundings (derealization), or both.
Mental health condition where individuals experience persistent feelings of detachment from themselves (depersonalization) or their surroundings (derealization), or both.
Postural Orthostatic Tachycardia Syndrome
Postural Orthostatic Tachycardia Syndrome
Postural Orthostatic Tachycardia Syndrome, a condition that affects blood flow.
Postural Orthostatic Tachycardia Syndrome, a condition that affects blood flow.
Premature Ventricular Contractions
Premature Ventricular Contractions
Extra heartbeats that originate in the ventricles, the lower chambers of the heart, and occur before the next normal heartbeat.
Extra heartbeats that originate in the ventricles, the lower chambers of the heart, and occur before the next normal heartbeat.
Start tracking and get answers
Start tracking and get answers
Start tracking and get answers
Get Started Now