Function Health vs OvaFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Function Health
Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.
- 160+ lab tests annually
- Personalized health protocols
- Private AI Chat for results
- Connect health wearables
- Advanced MRI & CT scans
- Upload health records
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Function membership helps you take control of your health with 160+ lab tests each year, personalized Protocols, and Private AI Chat—all backed by advanced science and your real data. Built with top doctors, Function gives you the power to understand your body, track how it evolves, and make meaningful change. NOW AVAILABLE: HOME OR OFFICE BLOOD DRAWS Schedule a concierge blood draw at your home or office. A licensed specialist comes to you and completes your blood draw in under 20 minutes. Available in select locations. 160+ LAB TESTS Membership includes testing for your heart, hormones, thyroid, liver, kidneys, toxins, nutrients, inflammation, autoimmunity, immunity and more. ADVANCED MRI & CT SCANS Detect early signs of cancer and hundreds of other potential conditions with the option to purchase advanced imaging for your brain, pancreas, liver, spine, ovaries, prostate, heart and much more. PRIVATE AI CHAT Ask questions about your results, identify meaningful patterns, and figure out where to focus next, with Private AI Chat—built in partnership with top clinicians. CONNECT WEARABLES Connect Apple Health and other health devices and wearables to see how your activity, sleep, and daily habits affect your lab test results and long-term health. PROTOCOLS Translate your lab results, scans and health history into clear, evidence-based plans for nutrition, activity, and supplements—all customizable to your goals and preferences. UPLOAD HEALTH RECORDS Upload past lab test results, scans, and other medical records for a more complete view of your health, all in one secure place. PROGRESS YOU CAN SEE Twice-yearly and On-Demand testing helps you track your results over time, monitor for early signs of disease, and identify where to focus next. ADVANCED LAB TESTS Membership includes 160+ lab tests, plus the option to purchase advanced On-Demand tests for: - Detection of 50+ cancers - Alzheimer’s risk detection - MTHFR gene variants - Advanced MRI and CT scans starting at $365 - Food allergies and sensitivities - …and much more ACCESSIBILITY What could cost as much as $15,000 on your own is included with membership for just $365/year. Lab testing is available at over 2,000 lab locations across the US, with no insurance needed. SECURITY Function was built for privacy and security. Function is built to HIPAA standards. Your information is secure. How it works: 1. Join Function and schedule your first set of lab tests. 2. Get your results and personalized Protocols. Ask questions with your Private AI Chat. 3. See your progress with 60+ lab tests at your Mid-Year Test. 4. Purchase MRI or CT scans and other advanced On-Demand Tests any time. DISCLAIMER Function Health is a technology company and not a laboratory or medical provider. All laboratory and medical services are provided by independent third parties. Function Health does not offer medical advice, laboratory services, a diagnosis, medical treatment, or any form of a medical opinion; its services are not a substitute for medical care, medical advice, and/or a detailed discussion with a physician or other licensed provider. If you have any questions regarding any laboratory results or any other information that you access through Function Health, you should contact a physician or other licensed provider. All material, information, data, and content that Function Health provides is strictly for general information purposes. For additional important information: https:// www.functionhealth.com/terms-of-service.
OvaFlow
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OvaFlow Understand your cycle. Track your health. Stay informed. OvaFlow is a menstrual cycle and symptom tracking app designed to help you better understand your reproductive health. Whether you're tracking your period, monitoring daily symptoms, or learning more about Polycystic Ovary Syndrome (PCOS), OvaFlow provides an organized, easy-to-use experience that puts your health information in one place. Features • Educational PCOS Indicator Complete a guided assessment that analyzes your self-reported symptoms and provides an educational indicator score designed to help you better understand symptom patterns commonly associated with PCOS. • Cycle Tracking Track period dates, cycle length, flow intensity, and view your menstrual history in an intuitive calendar. • Daily Symptom Logging Record symptoms including mood, energy, pain, cervical mucus, acne, and other health changes to identify trends over time. • Personalized Dashboard View your cycle information, recent symptom activity, educational indicator, reminders, and health insights from one central dashboard. • Apple Health / HealthKit Integration OvaFlow integrates with Apple Health using HealthKit. With your permission, OvaFlow can read supported menstrual-flow information from Apple Health to import existing cycle history. Apple Health access occurs only after you grant permission and initiate an import. OvaFlow does not write menstrual information to Apple Health. • Medication Reminders Create personalized medication reminders to help support your daily routine. • Health Education Access educational resources about menstrual health, hormones, ovulation, and PCOS to better understand your body. • Works Offline Continue logging symptoms and cycle information even without an internet connection. Your data automatically synchronizes when you're back online. • Privacy First Your personal health information is securely stored and protected. Authentication is available through Sign in with Apple, Google Sign In, or email. Important Information OvaFlow is designed for educational and informational purposes only. The Educational PCOS Indicator is based on self-reported information and is not a clinically validated probability, medical diagnosis, or substitute for professional medical advice. Always consult a qualified healthcare professional regarding any medical questions or health concerns.
Screenshots
Verdict
The clearest difference is device support: OvaFlow at 3 against Function Health's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Function Health | OvaFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (25K ratings) — better | — |
| Positive reviews | 62.0% of reviews | — |
| Number of ratings | 25K — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 203 MB | 6 MB |
| Age rating | 17+ | 17+ |
| Developer | Function Health | Manish Gakhar |
Bugs and requests
Function Health
Reported bugs
2 issues- App sometimes redirects back to the home screen when trying to view results
- Occasional typos and formatting issues in the app
Requested features
3 requests- More customization options in the app settings
- Ability to print or export test results and recommendations
- Specific supplement recommendations rather than broad suggestions
OvaFlow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Function Health
No in-app purchases
OvaFlow
No in-app purchases









