Snacks AI vs Function Health
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Camera-based food logging
- AI food identification
- LiDAR-powered portion measurement
- Calorie and macro tracking
- Smart food lookup
- Real-time nutrition insights
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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/
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.
- 160+ lab tests annually
- Personalized health protocols
- Private AI Chat for results
- Connect health wearables
- Advanced MRI & CT scans
- Upload health records
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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
Verdict
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
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.
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.
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.
| Parameter | Snacks AI | Function Health |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) | 4.9 (25K ratings) — better |
| Positive reviews | 33.3% of reviews | 62.0% of reviews — better |
| Number of ratings | 4 | 25K — better |
| Update frequency | Every 16 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Subscription |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 77 MB | 201 MB |
| Age rating | 12+ | 17+ |
| Developer | Snacks AI Corp | Function Health |
Customer experience
Snacks AI
Function Health
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
Snacks AI
- Snacks Pro7 Days trial$12.991 Month
- Snacks Pro7 Days trial$89.991 Year
Function Health
No in-app purchases









