Comparison

Function Health vs BEN'S GYM

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

Head to head
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.

About

BEN'S GYM

This fitness platform helps you track daily activities, monitor body metrics, and access over 2000 exercises with 3D demonstrations. Create custom workouts or use presets to guide your fitness journey, earning badges along the way. Syncs with Apple Health for seamless activity logging.

Highlights
  • Class schedules and opening hours
  • Daily fitness activity tracking
  • Weight and body metric tracking
  • 2000+ exercises with 3D demos
  • Preset and custom workouts
  • Progress tracking and badges
  • Apple Health integration
Features
Read full description

PLEASE NOTE: YOU NEED A BEN'S GYM IBIZA ACCOUNT TO ACCESS THIS APP. IF YOU'RE A MEMBER GET IT FOR FREE AT YOUR GYM! Begin your journey to a healthier lifestyle and let BEN'S GYM IBIZA help you along the way. Introducing BEN'S GYM IBIZA, most comprehensive fitness platform with: • Check class schedules and opening hours • Track your daily fitness activities • Track your weight and other body metrics • Over 2000+ exercises and activities • Clear 3D exercise demonstrations • Preset workouts and the option to create your own • Over 150 badges to earn Select workouts online and synchronize them with your app to workout at home or in the gym while keeping track of your progress. From strength to weight lifting, this app acts as your own personal trainer guiding and giving you the motivation you need. You can sync this app with Apple Health App. If you enable this connection, any workout in the Health app with automatically be added to your Activity Calendar.

Screenshots

Function Health4 screens
BEN'S GYM4 screens

Verdict

The call

The clearest difference is monetization model: BEN'S GYM at free against Function Health's subscription. Function Health's advantage is update cadence (weekly vs every 3 months) and ratings volume (25K vs 7). 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 Function Health against 5.0 for BEN'S GYM. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

Function Health ships an update weekly, BEN'S GYM every 3 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Function Health versus BEN'S GYM: the parameters behind the verdict, then further details
ParameterFunction HealthBEN'S GYM
PriceFreeFree
Rating4.9 (25K ratings)5.0 (7 ratings) — better
Positive reviews61.8% of reviews—
Number of ratings25K — better7
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size203 MB213 MB
Age rating17+12+
DeveloperFunction HealthBENS GYM S.L.

Customer experience

Function Health

All ratings24,942 ratings
Positive99.0%
Neutral0.4%
Negative0.6%
Written reviews348 reviews
Positive61.8%
Neutral5.5%
Negative32.8%

BEN'S GYM

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

BEN'S GYM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Function Health

No in-app purchases

None

BEN'S GYM

No in-app purchases

Questions

Is Function Health free?
Function Health is free to download, with no in-app purchases.
Is BEN'S GYM free?
BEN'S GYM is free to download, with no in-app purchases.
Which has better reviews, Function Health or BEN'S GYM?
BEN'S GYM is rated higher. Function Health averages 4.9 out of 5 from 25K ratings, while BEN'S GYM averages 5.0 from 7 ratings.
Do Function Health or BEN'S GYM have ads?
Neither Function Health nor BEN'S GYM shows ads.
Which is updated more often, Function Health or BEN'S GYM?
Function Health ships an update weekly, and BEN'S GYM every 3 months. Most recently, Function Health was updated on October 21, 2026 and BEN'S GYM on October 15, 2026.

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