Comparison

AirDoctor Pro 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

AirDoctor Pro

Control your air purifier remotely, receive real-time air quality data, and manage filter replacements. Monitor indoor air quality trends and customize purification settings from anywhere.

Highlights
  • Remote purifier control (on/off, fan speed)
  • Real-time air quality alerts and data
  • Customizable purification settings
  • Filter change alerts and in-app shopping
  • Indoor air quality dashboard (daily/weekly)
  • Collaborative and multi-unit management
Features
Read full description

Your favorite air purifier just got smarter! Now with the user-friendly AirDoctor app, you will be able to receive real time air quality alerts and information, customize air purification settings, and receive filter change alerts while being able to shop for new filters in the app. Our connected experience was designed to make controlling your AirDoctor as easy and convenient as possible. From anywhere in the world, you can turn your purifier on/off, adjust the fan speed, and or set your purifier on a schedule. Upon setting your location, you will be able to view real time information regarding the air quality in your area including temperature, humidity, pollen count, PM count, ozone, and the air quality index reading. Complementing our most beloved feature, the air quality sensor, our app dashboard displays your indoor air quality by the day or week. The app also gives you collaborative control so that you can share the unit with your family and friends. Additionally, if you have multiple machines, the app is ideal to manage them all, giving you revolutionary experience of control.

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

AirDoctor Pro4 screens
Function Health4 screens

Verdict

The call

The clearest difference is review sentiment: Function Health at 62% against AirDoctor Pro's 11%. Function Health also leads on rating (4.9 vs 2.2) and update cadence (weekly vs every 2 months). AirDoctor Pro's advantage is monetization model (free vs subscription). On price, ads, in-app purchases 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. 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 2.2. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 71, so its average is the more settled of the two. Written reviews point the same way: 11% of AirDoctor Pro's written reviews are positive against 62% of Function Health's.

UpkeepUpdate frequency

AirDoctor Pro ships an update every 2 months, Function Health weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
AirDoctor Pro versus Function Health: the parameters behind the verdict, then further details
ParameterAirDoctor ProFunction Health
PriceFreeFree
Rating2.2 (71 ratings)4.9 (25K ratings) — better
Positive reviews11.4% of reviews61.5% of reviews — better
Number of ratings7125K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterSubscription
Best chart rank—#208 — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size37 MB203 MB
Age rating4+17+
DeveloperAquatru LLCFunction Health

Customer experience

AirDoctor Pro

All ratings69 ratings
Positive26.1%
Neutral2.9%
Negative71.0%
Written reviews44 reviews
Positive11.4%
Neutral6.8%
Negative81.8%

Function Health

All ratings25,022 ratings
Positive99.0%
Neutral0.4%
Negative0.6%
Written reviews351 reviews
Positive61.5%
Neutral5.7%
Negative32.8%

Bugs and requests

AirDoctor Pro

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

None

AirDoctor Pro

No in-app purchases

None

Function Health

No in-app purchases

Questions

Is AirDoctor Pro free?
AirDoctor Pro 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, AirDoctor Pro or Function Health?
Function Health is rated higher. AirDoctor Pro averages 2.2 out of 5 from 71 ratings, while Function Health averages 4.9 from 25K ratings.
Do AirDoctor Pro or Function Health have ads?
Neither AirDoctor Pro nor Function Health shows ads.
Which is updated more often, AirDoctor Pro or Function Health?
AirDoctor Pro ships an update every 2 months, and Function Health weekly. Most recently, AirDoctor Pro was updated on October 24, 2026 and Function Health on October 30, 2026.

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