Sam CentralJournaling with data-driven insights.
Track your wellness, navigate your anxiety, and spot patterns with data-driven insights.

A simple three-step process
A simple process: take our 5-minute daily check in, discover how it relates using our 54 chart visualizations, and generate insights with Sana.
01 / 03
Log your day in a few taps.
- Track mood, sleep, eating, stress, social wellness.
- Track progress on life goals.
02 / 03
Visualize your patterns.
- Discover trends in your wellness and anxiety.
- Understand how your cycle impacts these factors.
03 / 03
Discover your insights with Sana AI.
- Sana can help you discover insights, and analyze and visualize your data.
- Asks for user permission before accessing raw data.
Check‑in Deep Dive
It all starts with a daily check in.
- Track wellness factors (like mood, sleep, social wellness, eating, and stress), emotions, and life goals.
- Emotions and life goals are completely customizable.
- When enabled, cycle tracking mode tracks how other wellness factors are impacted with your cycle.
Three Modes
Going beyond your general wellness.
Sam Central offers Anxiety and Cycle Tracking modes, providing a more wholistic view of your wellness.
Wellness Mode
A simple daily check‑in that helps you understand your general wellness.
- Track wellness factors (like mood, sleep, social wellness, eating, and stress), emotions, and life goals.
- View life goal progress using iOS widgets.
Anxiety Mode
When anxious, a mindful anxiety check-in helps you stay grounded.
- Track anxiety attacks and contributing factors, like hours of sleep and hours since last meal.
- Track anxiety causes and trauma buttons.
Cycle Tracking Mode
A one-page check in integrated in wellness mode allows for a seamless journaling process.
- Track cycle length, flow, pain level, and other symptoms.
- Understand how your wellness factors and anxiety change with your cycle.
Analytics
See the patterns you actually care about.
A few examples of the visual cards Sam Central creates from your check‑ins — calm, clear, and easy to scan.

Explore Distributions
Shows distributions of wellness factors.

Explore Trends
Line graph of wellness factors.

Consistency Heatmap
Shows how steady the different wellness factors are over time.

Correlations Explorer
Explore correlations between wellness factors with 95% CI, correlation coefficient, and p value.
Sana Use Case
Ask Sana when you want to dive deeper.
Use Sana to turn data visualizations into personalized insights.
Ask Sana a question
Curious how different parts of your wellness impact each other? Ask Sana!
Sana will ask before looking at your raw data
If Sana needs more than basic statistics to answer your question, she'll ask for more data.
Read your insights
Sana will get back to you with an answer based on your data. She'll create custom charts to help you visualize your data, and she'll generate insights to help you go even further.
iOS Widgets
Now introducing Widgets!
A widespread set of widgets to help you visualize your data quickly.






macOS
The same experience, optimized for Mac.
Review patterns on a bigger screen, write longer notes, and keep your day organized when you’re at your desk.
- A clean, spacious layout for trends and comparisons.
- Faster typing for notes, tags, and reflections.
- Everything stays consistent across iPhone and Mac.





Privacy isn’t a setting. It’s the product.
Sam Central is built to minimize data exposure and maximize user control.
User control + consent
Delete your data anytime and confirm before exporting or sharing sensitive summaries.
Encryption
Data is encrypted in transit (TLS), and stored data is encrypted at rest.
No training on your data
We do not opt in to share API inputs/outputs for training; OpenAI states API data isn’t used for training by default.
Retention transparency
OpenAI may retain prompts/responses in abuse-monitoring logs for up to 30 days; we minimize app logging and avoid storing full prompts in logs.
Simple pricing. Clear value.
Start free. Upgrade when you want deeper insights.
Pro
$6.99/month
Access to Sana:
- Visualize your data
- Discover personalized insights
- Generate actionable insights
Questions, answered.
Have a question not listed? Contact hamzeh@alumni.harvard.edu with questions or suggestions.
No. We don’t sell personal data or use it for advertising.