Comparison

Lingo by Abbott 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

Lingo by Abbott

This system tracks your glucose 24/7 to provide real-time insights into your body's response to food and activities. It helps you understand your metabolism, learn new eating patterns, and track progress towards healthier habits.

Highlights
  • 24/7 glucose tracking
  • Personalized nutrition insights
  • Metabolism understanding
  • Habit change support
  • Glucose graph visualization
  • Lingo Count daily metric
  • Food & activity logging
Read full description

What, when, and how you eat has a big impact on your body. It’s all connected. And it’s influenced by your personal glucose patterns. See for yourself in real time, with Lingo — a science-backed system designed to power healthy habit change.  Glucose is a powerful signal reflecting your body’s unique response to food. The Lingo Biosensor and App tracks your glucose 24/7, translating the data into insights you can use to optimize your nutrition, build new habits, and improve your metabolic health.     Know your body in a new way.  Rooted in decades of research and made by Abbott — a global leader in continuous glucose monitoring (CGM) technology‡ — the Lingo Biosensor streams glucose data directly to your phone, so you can see the impact of what, when, and how you eat.   The Lingo app offers personal insights about which foods work for your body. Armed with data and insights, you can make diet and lifestyle choices that support your health goals.     Fad diets don’t work. Science does.  - UNDERSTAND YOUR METABOLISM: See your personal glucose response to different foods and activities.  - LEARN NEW WAYS OF EATING: Discover which foods work for you and what to prioritize. Every person is different. Insights from Lingo help you know your body in a new way.  - SEE YOUR PROGRESS: See the impact of your new habits add up over time. Lingo provides daily, weekly, and monthly snapshots to keep you on track.  A closer look at the features and benefits:  - Glucose graph — See your glucose graph update throughout the day based on continuous readings from your biosensor.   - Lingo Count — This is your glucose exposure translated into one dynamic daily number. It’s simple. It’s actionable. It’s your target to stay within each day.  - Food & activity logging — Log meals in seconds by taking or uploading a photo, or search from a large food database. Every meal you log now includes a nutrition breakdown — like protein, carbs, and fat — alongside your glucose data. Sync with Apple Health® to auto-log activity and see your glucose data†† in Apple Health.  - Personal insights — Weekly progress reports come with personal recommendations based on the meals and activity you log and how they impact your glucose.  - Put your habits to the test — Test new habits with science-backed challenges. Find what fits your lifestyle and start to build your healthiest routines.  - Export glucose data — Download your glucose data to easily share it with your healthcare provider. ‡ Data on file, Abbott Diabetes Care, Inc. Based on the number of users worldwide for the FreeStyle Libre portfolio compared to the number of users for other leading personal use sensor-based glucose monitoring systems. †† Lingo does not measure or send blood glucose data to any health apps. Lingo sends glucose data measured via interstitial fluid to health apps. The Lingo Glucose System is for users 18 years and older not on insulin. It is NOT intended for diagnosis of diseases, including diabetes. Individual responses may vary.
© 2026 Abbott. All rights reserved. The biosensor shape and appearance, Lingo, and related brand marks are marks and/or designs of the Abbott group of companies in various territories. Other marks are the property of their respective owners.
The product images are representative only.

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

Lingo by Abbott4 screens
Function Health4 screens

Verdict

The call

The clearest difference is monetization model: Lingo by Abbott at free against Function Health's subscription. Function Health's advantage is update cadence (weekly vs every 2 months) and rating (4.9 vs 4.5). On price, ads, in-app purchases and chart position 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

Function Health holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 7.9K and 25K respectively. Written reviews point the same way: 44% of Lingo by Abbott's written reviews are positive against 62% of Function Health's.

UpkeepUpdate frequency

Lingo by Abbott ships an update every 2 months, Function Health weekly. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

Scorecard5 real differences · 6 level
Lingo by Abbott versus Function Health: the parameters behind the verdict, then further details
ParameterLingo by AbbottFunction Health
PriceFreeFree
Rating4.5 (7.9K ratings)4.9 (25K ratings) — better
Positive reviews44.1% of reviews61.8% of reviews — better
Number of ratings7.9K25K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterSubscription
Best chart rank#155 — better#177
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size194 MB203 MB
Age rating17+17+
DeveloperAbbottFunction Health

Customer experience

Lingo by Abbott

All ratings7,894 ratings
Positive86.6%
Neutral5.8%
Negative7.6%
Written reviews1,576 reviews
Positive44.1%
Neutral17.3%
Negative38.6%

Function Health

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

User reviews

Lingo by Abbott

From 7.9K App Store ratings

What we love

  • 🚀 Real-time glucose tracking
  • 📊 Helpful data insights
  • 🌟 Easy setup and use
  • 🔍 Valuable for metabolic health
  • 💪 Motivates lifestyle changes

Room to improve

  • 🐛 Frequent app crashes and freezes
  • 🔋 High battery consumption
  • 🔍 Limited data export and integration
  • 🤔 Confusing 'Lingo Count' metric
  • ⏱️ Delayed glucose readings

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

Lingo by Abbott

Reported bugs

4 issues
  • Sensor connectivity issues
  • Inaccurate glucose readings
  • Data sync problems and data loss
  • Inconsistent app performance after updates

Requested features

5 requests
  • Apple Health integration
  • Apple Watch app and complications
  • More detailed data analysis and visualization
  • Customizable glucose level alerts
  • Improved food logging and tracking

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

Lingo by Abbott

No in-app purchases

None

Function Health

No in-app purchases

Questions

Is Lingo by Abbott free?
Lingo by Abbott 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, Lingo by Abbott or Function Health?
Function Health is rated higher. Lingo by Abbott averages 4.5 out of 5 from 7.9K ratings, while Function Health averages 4.9 from 25K ratings.
Do Lingo by Abbott or Function Health have ads?
Neither Lingo by Abbott nor Function Health shows ads.
Which is updated more often, Lingo by Abbott or Function Health?
Lingo by Abbott ships an update every 2 months, and Function Health weekly. Most recently, Lingo by Abbott was updated on October 17, 2026 and Function Health on October 18, 2026.
Which is more popular, Lingo by Abbott or Function Health?
Lingo by Abbott currently peaks at #155 in the App Store charts, and Function Health at #177. Chart position reflects recent download velocity rather than total install base.

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