Comparison

Snacks AI 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

Snacks AI

Effortlessly log your meals by simply taking a photo. This app uses advanced AI and LiDAR technology to identify foods, measure portions, and track your calories and macros with exceptional accuracy. Achieve your health and fitness goals faster with precise, real-time nutrition insights.

Highlights
  • Camera-based food logging
  • AI food identification
  • LiDAR-powered portion measurement
  • Calorie and macro tracking
  • Smart food lookup
  • Real-time nutrition insights
Read full description

Snacks AI: The World’s Most Precise Photo-to-Food Logging Technology Redefine how you track meals with our breakthrough camera-based nutrition system. Simply snap a photo of your plate, and let Snacks AI do the rest—accurately identifying foods and calculating portion sizes with unparalleled precision (powered by LiDAR on iPhone Pro models). Key Features Revolutionary Camera Technology: Take a picture of any dish and let our AI instantly recognize, categorize, and log it for you. No manual entry or second-guessing needed. LiDAR-Powered Portion Measurement (exclusive on iPhone Pro): Experience the industry’s most advanced portion-sizing, ensuring you get precise calorie and macronutrient counts for each meal. AI Food Logging & Calorie Tracking: Monitor calories, macros, and essential nutrients in real time. Whether you’re managing weight, gaining muscle, or simply eating healthier, our AI-powered system keeps you on target. Smart Food Lookup: Indulging at local eateries or exploring new recipes? Snacks AI automatically finds matches for any meal—even those not yet in our database—so you always stay on track. Join the nutrition revolution—download Snacks AI now and harness the world’s most accurate camera-based food logging system to achieve your health and fitness goals faster. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Snacks AI4 screens
Function Health4 screens

Verdict

The call

The clearest difference is in-app purchases: Function Health at none against Snacks AI's 2. Function Health also leads on update cadence (weekly vs every 16 months) and review sentiment (62% vs 33%). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Snacks AI sells 2 in-app purchases, starting at $12.99 per month. Function Health asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Function Health holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Snacks AI's written reviews are positive against 62% of Function Health's.

UpkeepUpdate frequency

Snacks AI ships an update every 16 months, Function Health weekly. The most recent releases landed on September 25, 2026 and October 3, 2026 respectively.

Scorecard6 real differences · 4 level
Snacks AI versus Function Health: the parameters behind the verdict, then further details
ParameterSnacks AIFunction Health
PriceFreeFree
Rating4.5 (4 ratings)4.9 (25K ratings) — better
Positive reviews33.3% of reviews62.0% of reviews — better
Number of ratings425K — better
Update frequencyEvery 16 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterSubscription
DevicesiPhoneiPhone
Requires iOS16.0 — better16.4
Further details — not scored
Size77 MB201 MB
Age rating12+17+
DeveloperSnacks AI CorpFunction Health

Customer experience

Snacks AI

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Function Health

All ratings24,731 ratings
Positive99.0%
Neutral0.4%
Negative0.6%
Written reviews342 reviews
Positive62.0%
Neutral5.6%
Negative32.5%

Bugs and requests

Snacks AI

Not enough reviews yet to summarise bugs or 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

In-app purchases

2 purchases

Snacks AI

Subscriptions2
  • Snacks Pro7 Days trial$12.991 Month
  • Snacks Pro7 Days trial$89.991 Year
None

Function Health

No in-app purchases

Questions

Is Snacks AI free?
Snacks AI is free to download, with in-app purchases available.
Is Function Health free?
Function Health is free to download, with no in-app purchases.
Which has better reviews, Snacks AI or Function Health?
Function Health is rated higher. Snacks AI averages 4.5 out of 5 from 4 ratings, while Function Health averages 4.9 from 25K ratings.
Do Snacks AI or Function Health have ads?
Neither Snacks AI nor Function Health shows ads.
Which is updated more often, Snacks AI or Function Health?
Snacks AI ships an update every 16 months, and Function Health weekly. Most recently, Snacks AI was updated on September 25, 2026 and Function Health on October 3, 2026.

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