Comparison

Tonal 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

Tonal

This app provides a smart home gym experience with digital weight that adapts to your workouts. Access programs, track progress, and enjoy a variety of on-the-go exercises led by expert coaches. Connect with a community for motivation.

Highlights
  • Adaptive digital weight
  • Expert coach-led workouts
  • Personalized fitness programs
  • Progress tracking by muscle group
  • On-the-go workout library
  • Custom workout creation
  • Community motivation features
Features
Read full description

With the Tonal mobile app you can be your strongest—from home, on your own schedule. Tonal is the smartest home gym and personal trainer. Unlike traditional dumbbells, barbells, and exercise equipment Tonal uses advanced digital weight that continually adapts workouts so they’re most effective for you—all led by our expert coaches. Loved by beginners, exercise enthusiasts, and professional athletes alike, Tonal is reimagining the landscape of at-home fitness. Get stronger, faster with the Tonal app - Join a program: No matter where you are in your fitness journey, Tonal has individual workouts and multi-week programs to help you reach your goals. - Track your progress: See your strength grow. Tonal’s A.I. keeps track of your workouts, measuring your progress and breaking it down by muscle group and workout type. - Work out on-the-go: From high-intensity, to restorative yoga flows, Tonal has hundreds of workouts for you to try. Filter by focus, trainer, or time. - Create your own workout: Work out your way with Custom Workouts. Choose your favorite movements, reps, sets, and advanced weight modes, like Burnout and Eccentric to maximize your results, then save for later. - Get stronger, together: Connect with friends and stay motivated to get stronger while cheering on other members in the Tonal community. Tonal uses HealthKit to export your Tonal workouts into the Health app and to sync your weight and height.

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

Tonal4 screens
Function Health4 screens

Verdict

The call

The clearest difference is monetization model: Tonal at free with in-app purchases against Function Health's subscription. Function Health's advantage is update cadence (weekly vs every 3 weeks). On price, rating, review sentiment and ratings volume 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 Tonal against 4.9 for Function Health. Both are backed by a comparable volume of ratings — 11K and 25K respectively. Written reviews are what separate them: 70% of Tonal's written reviews are positive against 62% of Function Health's.

UpkeepUpdate frequency

Tonal ships an update every 3 weeks, Function Health weekly. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard2 real differences · 8 level
Tonal versus Function Health: the parameters behind the verdict, then further details
ParameterTonalFunction Health
PriceFreeFree
Rating4.9 (11K ratings)4.9 (25K ratings)
Positive reviews69.5% of reviews — better61.9% of reviews
Number of ratings11K25K — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.016.4 — better
Further details — not scored
Size185 MB201 MB
Age rating4+17+
DeveloperTonal Systems, Inc.Function Health

Customer experience

Tonal

All ratings10,676 ratings
Positive97.8%
Neutral0.8%
Negative1.4%
Written reviews164 reviews
Positive69.5%
Neutral11.0%
Negative19.5%

Function Health

All ratings24,683 ratings
Positive99.0%
Neutral0.4%
Negative0.6%
Written reviews341 reviews
Positive61.9%
Neutral5.6%
Negative32.6%

User reviews

Tonal

From 11K App Store ratings

What we love

  • 🚀 Efficient and effective workouts
  • 👍 Variety of workouts and programs
  • 🚀 Convenient home gym experience
  • 👍 Motivating and engaging coaches
  • 👍 Comprehensive fitness tracking

Room to improve

  • 🐛 Connectivity and syncing issues
  • 💡 Lack of personalization options
  • 💡 Limited custom workout capabilities
  • 💡 Lack of language and accessibility options
  • 🔒 Facebook integration required for profile photo

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

Tonal

Reported bugs

3 issues
  • Membership activation and login issues
  • Inconsistent performance and app crashes
  • Syncing problems with Apple Health and other devices

Requested features

5 requests
  • Calendar function to plan workouts
  • Ability to track and filter custom workouts
  • Customizable movement options and exercise libraries
  • Injury/condition-specific workout recommendations
  • Ability to use without subscription or disable features

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

Tonal

No in-app purchases

None

Function Health

No in-app purchases

Questions

Is Tonal free?
Tonal 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, Tonal or Function Health?
Tonal and Function Health are both rated 4.9 out of 5 on the App Store, from 11K and 25K ratings respectively.
Do Tonal or Function Health have ads?
Neither Tonal nor Function Health shows ads.
Which is updated more often, Tonal or Function Health?
Tonal ships an update every 3 weeks, and Function Health weekly. Most recently, Tonal was updated on September 24, 2026 and Function Health on September 25, 2026.

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