Comparison

Function Health vs Hindsight by TUSHY

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

Hindsight by TUSHY

Log bathroom visits and track gut health with AI-powered insights. Understand your body's signals to improve daily wellness and identify patterns without complex jargon. Designed for anyone seeking better gut health awareness.

Highlights
  • AI-powered logging of bathroom visits
  • Gut health assessment without guesswork
  • Pattern identification and habit tracking
  • Daily analytics and wellness insights
  • Symptom and habit input
  • Connects bathroom output to body status
Features
Read full description

An insightful look within. Hindsight by TUSHY helps you log your bathroom visits and track your gut health without embarrassment or health jargon. Powered by discreet AI and an easy-to-use interface, you can decode your every movement to improve daily wellness. • Instantly log and analyze #1s + #2s with AI-imaging • Assess gut health without manual guesswork • Easily identify patterns, input symptoms, and track habits • Receive daily analytics and insights to improve your bathroom visits • A must for people with IBS, biohackers, and anywho who wants to understand their gut health A simple way to connect the dots between what's showing up in the toilet and what's happening inside your body. Improve gut health awareness, daily bathroom habits, and control over your total wellness. Designed by TUSHY. A culture-shifting bathroom movement backed by 2.5M butts. Turn bathroom visits into wellness retreats. Download Hindsight by TUSHY. Terms of Use: https://hellotushy.com/pages/hindsight-terms-of-use Privacy Policy: https://hellotushy.com/pages/hindsight-privacy-policy Contact information: hindsight@hellotushy.com

Screenshots

Function Health4 screens
Hindsight by TUSHY4 screens

Verdict

The call

The clearest difference is in-app purchases: Function Health at none against Hindsight by TUSHY's 2. Function Health also leads on ratings volume (25K vs 9) and update cadence (weekly vs every 4 weeks). On price, rating, ads and device support 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. Hindsight by TUSHY sells 2 in-app purchases, starting at $4.99 per month. Function Health asks for nothing beyond the download.

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 Hindsight by TUSHY. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 9, so its average is the more settled of the two.

UpkeepUpdate frequency

Function Health ships an update weekly, Hindsight by TUSHY every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Function Health versus Hindsight by TUSHY: the parameters behind the verdict, then further details
ParameterFunction HealthHindsight by TUSHY
PriceFreeFree
Rating4.9 (25K ratings)5.0 (9 ratings) — better
Positive reviews61.8% of reviews—
Number of ratings25K — better9
Update frequencyWeekly — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhoneiPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size203 MB35 MB
Age rating17+4+
DeveloperFunction HealthTushy Inc

Customer experience

Function Health

All ratings25,022 ratings
Positive99.0%
Neutral0.4%
Negative0.6%
Written reviews348 reviews
Positive61.8%
Neutral5.5%
Negative32.8%

Hindsight by TUSHY

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

Hindsight by TUSHY

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Function Health

No in-app purchases

2 purchases

Hindsight by TUSHY

Subscriptions2
  • Tushy Plus3 Months trial$4.991 Month
  • Tushy Plus3 Months trial$49.991 Year

Questions

Is Function Health free?
Function Health is free to download, with no in-app purchases.
Is Hindsight by TUSHY free?
Hindsight by TUSHY is free to download, with in-app purchases available.
Which has better reviews, Function Health or Hindsight by TUSHY?
Hindsight by TUSHY is rated higher. Function Health averages 4.9 out of 5 from 25K ratings, while Hindsight by TUSHY averages 5.0 from 9 ratings.
Do Function Health or Hindsight by TUSHY have ads?
Neither Function Health nor Hindsight by TUSHY shows ads.
Which is updated more often, Function Health or Hindsight by TUSHY?
Function Health ships an update weekly, and Hindsight by TUSHY every 4 weeks. Most recently, Function Health was updated on October 25, 2026 and Hindsight by TUSHY on October 24, 2026.

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