Sara by Comma

Name: Sara by Comma
Brand: Sara by Comma

A privacy-first reproductive health tracker built to HIPAA-grade data standards

softwareMedical & Health Appsperiod-trackingreproductive-healthwomens-health

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Our Verdict

Best for

Users who want period tracking without their data being sold or mined by a mainstream app

Skip if

You want a native mobile app with deep fertility-prediction algorithms

What is Sara by Comma?

Sara is a reproductive health tracking platform from the period-care company Comma, built as a progressive web app rather than a downloadable app store product. It lets users log cycles and symptoms, spot patterns over time, and securely share that data with a healthcare provider when they choose to. Comma designed Sara around the idea that period data deserves clinical-grade privacy: the company states it holds itself to HIPAA as a benchmark for data protection and never sells user data, distinguishing it from many mainstream period trackers that monetize user data. It launched alongside a seed funding round aimed at bringing more personalized science to reproductive health.

SpecificationsAI-estimated

deploymentCloud/SaaS

open source❌ No

api available❌ No

support optionsEmail support via company site

Key Features of Sara by Comma

Tracks menstrual cycle length, symptoms, and patterns in a secure web dashboard.

Built as a progressive web app so no app-store download or account metadata trail is created.

Applies HIPAA as a self-imposed benchmark for how reproductive health data is stored and protected.

Lets users securely share cycle history with a healthcare provider only when they choose to.

Surfaces patterns and irregularities in cycle data that may warrant a conversation with a doctor.

States explicitly that user data is never sold to third parties.

Use Cases for Sara by Comma

Privacy-conscious cycle tracking

Track periods and symptoms without the data-sharing practices common in mainstream period apps.

Preparing for a doctor visit

Review logged patterns and share a clean history with an OB-GYN or primary care provider.

Identifying irregular cycle patterns

Spot recurring symptoms or irregularities that may be worth flagging to a clinician.

Reproductive health record keeping

Keep a private, centralized log of cycle and symptom history over time.

Pros & Cons of Sara by Comma

Pros

Strong stated privacy and data-protection commitments
No app store download or tracking footprint
Designed specifically to support conversations with healthcare providers
Backed by a company focused solely on reproductive health

Cons

No native iOS or Android app, only a browser-based PWA
Pricing and premium features are not disclosed on the site
Smaller company with less track record than major period-tracking apps
Feature depth such as fertility prediction detail is less documented publicly

Frequently Asked Questions

Is Sara a downloadable app?

No, Sara is a progressive web app accessed through a browser rather than downloaded from an app store.

Does Sara sell user data?

Comma states it never sells user data and applies HIPAA as a benchmark for data privacy.

Who makes Sara?

Sara is built by Comma, a period-care company focused on personalized reproductive health science.

Can I share my data with a doctor?

Yes, Sara allows users to securely share their tracked data with a healthcare provider if they choose.

Pricing Overview

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Free

Detailed plans are not listed. Visit the official website for pricing information.

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CHARLI

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CHARLI is an Australian reproductive health app developed with Endometriosis Australia, Eve Health, and UNSW Sydney to close the gap between symptom onset and diagnosis for conditions like endometriosis. Beyond standard period and ovulation tracking, it uses AI to flag abnormal symptom patterns across menstruation, fertility, sexual health, pregnancy, and perimenopause, and can pull in data from wearables such as Apple Watch and Fitbit. The app connects users directly to CHARLI.clinic, a telehealth network of Australian GPs, specialists, dietitians, physiotherapists, and counsellors, and includes CHARLI.research so members can opt into approved studies. It launched in March 2024 and has been highlighted as one of the notable wellness-tech launches shaping reproductive healthcare in Australia.

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