Comparison

Fullscript vs Function Health

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fullscript

Manage your supplement and medication intake with helpful tools designed to keep you on schedule. Order high-quality supplements directly to your door and collaborate with your healthcare provider for personalized wellness insights. Stay on track with reminders and easy reordering.

Highlights
  • Dose reminders
  • Medication tracking
  • Auto refills
  • On-the-go refills
  • Order supplements
  • Provider collaboration
Features
Read full description

Stay connected to your care Wellness takes work. Fullscript makes it easier to follow your care plan or build a wellness routine with access to the supplements, lab tests*, lifestyle guidance, and health tracking your provider trusts. Provider-led care, you carry with you The Fullscript app keeps provider guidance and recommendations by your side in the moments between visits – where health really happens. Your trusted source for supplements Order brands vetted by medical experts – not social media influencers – with easy access to the high-quality supplements your provider trusts delivered straight to your door. See how your health evolves Making progress feels good. You and your provider can securely track your health over time through ongoing lab testing and integrated wearable data. Keep your routine on track Get timely reminders so you never miss a daily dose or a refill. You can even easily set up and manage auto-refills to make sure you never run out. A clearer picture of your health – all in one place Millions of patients trust Fullscript to feel more connected to their provider throughout their care. We’re here to help ensure no one navigates health alone. *Lab orders must be sent by a licensed provider (US only)

About

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.

Highlights
  • 160+ lab tests annually
  • Personalized health protocols
  • Private AI Chat for results
  • Connect health wearables
  • Advanced MRI & CT scans
  • Upload health records
Features
Read full description

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.

Screenshots

Fullscript4 screens
Function Health4 screens

Verdict

The call

The clearest difference is monetization model: Fullscript at free against Function Health's subscription. Fullscript also leads on review sentiment (84% vs 62%) and chart position (#79 vs unranked). Function Health's advantage is update cadence (weekly vs fortnightly). On price, rating, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Fullscript against 4.9 for Function Health. Both are backed by a comparable volume of ratings — 120K and 25K respectively. Written reviews are what separate them: 84% of Fullscript's written reviews are positive against 62% of Function Health's.

UpkeepUpdate frequency

Fullscript ships an update fortnightly, Function Health weekly. Both last shipped on September 29, 2026.

Scorecard5 real differences · 6 level
Fullscript versus Function Health: the parameters behind the verdict, then further details
ParameterFullscriptFunction Health
PriceFreeFree
Rating4.9 (120K ratings)4.9 (25K ratings)
Positive reviews84.1% of reviews — better61.9% of reviews
Number of ratings120K — better25K
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterSubscription
Best chart rank#79 — better—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size94 MB201 MB
Age rating17+17+
DeveloperHealthWave Inc.Function Health

Customer experience

Fullscript

All ratings119,719 ratings
Positive99.3%
Neutral0.5%
Negative0.2%
Written reviews515 reviews
Positive84.1%
Neutral4.7%
Negative11.3%

Function Health

All ratings24,731 ratings
Positive99.0%
Neutral0.4%
Negative0.6%
Written reviews341 reviews
Positive61.9%
Neutral5.6%
Negative32.6%

User reviews

Fullscript

From 120K App Store ratings

What we love

  • 👍 Easy to use and organized
  • 🚀 Convenient and efficient ordering
  • 💰 Competitive pricing and discounts
  • 🤝 Great customer service
  • 🌟 High-quality supplements

Room to improve

  • 🐛 Buggy app with crashes and glitches
  • 📤 Lack of customization for deliveries
  • 💲 Expensive for some users
  • 🔍 Lacking in product information and filtering
  • 🔔 Annoying push notifications

Function Health

From 25K App Store ratings

What we love

  • 🚀 Seamless process for blood tests and results
  • 📊 Comprehensive health insights and tracking
  • 🧠 Helpful clinician notes and recommendations
  • 👍 User-friendly and visually appealing app
  • 💰 Affordable compared to other options

Room to improve

  • 🔍 Lack of communication and support responsiveness
  • 🐛 Some bugs and usability issues in the app

Bugs and requests

Fullscript

Reported bugs

5 issues
  • App freezes and crashes
  • Inconsistent behavior when adding items to cart
  • Barcode scanning issues
  • Inability to switch between dispensaries
  • Unresponsive app and slow performance

Requested features

5 requests
  • Add a wishlist or save for later feature
  • Improve the app's user interface and navigation
  • Allow more customization for deliveries and subscriptions
  • Provide better product information and filtering options
  • Improve the app's stability and reduce bugs

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

In-app purchases

None

Fullscript

No in-app purchases

None

Function Health

No in-app purchases

Questions

Is Fullscript free?
Fullscript is free to download, with no in-app purchases.
Is Function Health free?
Function Health is free to download, with no in-app purchases.
Which has better reviews, Fullscript or Function Health?
Fullscript and Function Health are both rated 4.9 out of 5 on the App Store, from 120K and 25K ratings respectively.
Do Fullscript or Function Health have ads?
Neither Fullscript nor Function Health shows ads.
Which is updated more often, Fullscript or Function Health?
Fullscript ships an update fortnightly, and Function Health weekly. Most recently, Fullscript was updated on September 29, 2026 and Function Health on September 29, 2026.

Other comparisons