Create
Start from an experiment template or create your own. Explore routines, supplements, exercise habits, treatments, or other lifestyle changes.
A LITTLE CURIOSITY. A BETTER PICTURE.
Discover What Works for Your Body
Create personal health and wellness experiments, track what you try, and review changes over time—all while keeping your SparkExperiment data stored locally on your device.
No account. Local storage. No cloud sync.
SparkExperiment
Today
Your current experiment
Your current experiment
Daily Walking Routine
In progressQuick log
Food Intake
Activity
Observation
Treatment
Health summary
Review your recent metrics
SparkExperiment does not upload or sync your app data to cloud services.
How It Works
Small steps. Meaningful reflection.
Make room for curiosity in your everyday routines.
Track
Record Food Intake, Activity, Observation, and Treatment to keep the details of what you try.
Review
Compare experiment periods, health summaries, and selected baseline/current metrics over time. Observe changes and identify patterns.
EXPERIMENT TEMPLATES
Start with an idea. Make it yours.
Choose a template, then customize it before creating your experiment. Your questions are personal. Your experiments can be, too.
Magnesium & Sleep Quality
Weekly Hiking Routine
Yoga 3 Times per Week
Morning Sunlight Exposure
No Caffeine After 2 PM
Custom Experiment
Templates are starting points, not medical recommendations.
DAILY TRACKING
Keep the context behind your health data.
A number only tells part of the story. Your journal helps capture the everyday context that health metrics alone may not.
Include timing, notes, provider information, and location where appropriate.
Food Intake
Food and other intake
Activity
Physical activities and exercise
Observation
What you notice and how you feel
Treatment
Treatments you want to record
Today
Everything important today, in one place.
Find your current experiment, quick logging actions, recent health metrics, and experiment status and summary in Today.
Apple Health
Your health data, in context.
With your permission, SparkExperiment can read supported Apple Health information, including sleep, physical activity, heart-related metrics, and other supported health measurements.
Apple Health is optional. You control permissions and can use SparkExperiment without connecting Apple Health.
SparkExperiment
Results
Your experiment, in perspective
Daily Walking Routine
Selected metrics
Baseline
Experiment
Compare periods
↗
Review changes over time
Observed changes do not establish cause and effect.
Results
Compare your baseline with your experiment.
Review selected metrics before and during an experiment. Compare periods, explore trends, and observe changes over time.
BaselineExperiment
Observed changes do not establish cause and effect.
Privacy
Your Data Stays on Your Device
SparkExperiment stores your app data locally on your device and does not upload or sync your app data to cloud services.
Stored Locally
Your experiments, journal entries, treatments, settings, and other SparkExperiment-created data are stored locally on your device.
No Account Required
No registration, login, email address, or SparkExperiment account is required.
No Cloud Sync
SparkExperiment does not upload or sync your app data to cloud services.
Apple Health Under Your Control
Apple Health information is accessed only after you grant permission. Review or change access through Apple Health and iOS.
User-Controlled Export
SparkExperiment only shares exported data when you explicitly choose to export it. Exports use the standard iOS sharing interface: you choose where a file is saved or shared. Data handling after sharing depends on your chosen destination.
Your Data, Under Your Control
You initiate every export, import, and deletion.
Export
Create a backup of experiments, treatments, journal entries, and supported health summaries.
Import
Restore previously exported SparkExperiment data or combine it with existing local data.
Delete
Delete SparkExperiment data stored locally on your device at any time.
Do I need an account?
No. SparkExperiment does not require registration or login.
Where is my data stored?
SparkExperiment-created data is stored locally on your device.
Does SparkExperiment upload my data to the cloud?
No. SparkExperiment does not upload or sync your app data to cloud services.
Do I need Apple Health?
No. Apple Health integration is optional.
Can I create my own experiments?
Yes. Start from a template or create a custom experiment.
What kinds of experiments can I track?
Create experiments around routines, supplements, exercise habits, treatments, activities, and other lifestyle changes you want to observe. Examples include weekly hiking, yoga several times per week, walking routines, sleep-related routines, or supplement experiments.
Is SparkExperiment a medical app?
SparkExperiment is designed for personal tracking and reflection and does not provide diagnosis or medical treatment recommendations.
Ready to Start Your First Experiment?
Explore your routines, activities, and wellness practices one experiment at a time—while keeping your data under your control.
Download on the App StoreNo account. Local storage. No cloud sync.