Comparison

PRO vs Airthings

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PRO

This app provides access to a comprehensive range of home safety test kits. These kits accurately measure dangerous pollutants and contaminants in your home or office. All analyses are conducted by accredited laboratories using approved methods.

Highlights
  • Home safety test kits
  • Pollutant measurement
  • Contaminant detection
  • Laboratory analysis
  • Non-toxic kits
Read full description

PRO-LAB is a leading manufacturer of a complete line of home safety test kits. Each test kit provides precise measurement of specific life threatening pollutants. PRO-LAB test kits contain all of the necessary materials to detect contaminants within the home or office. All analyses are performed by recognized laboratories in compliance with state and Federal laboratory methods. PRO-LAB is an environmentally conscious company and all of our test kits are consumer friendly and completely non-toxic; and PRO-LAB is not owned or beholden to any company selling pollution abatement services or air and/or water treatment devices.

About

Airthings

Monitor and improve your indoor air quality with smart devices. Get real-time insights, track trends, and receive actionable advice to enhance focus, reduce allergies, and sleep better. Control your air purifier and stay informed about pollen forecasts.

Highlights
  • Quick device setup
  • At-a-glance air quality indicators
  • Detailed trend tracking
  • Air purifier remote control
  • 5-day pollen forecast
  • Air quality notifications
  • Personalized air reports
Features
Read full description

Breathe better with Airthings! Smart air quality monitors & purifiers you can trust. Shift your state of being with Airthings. Our products can help you improve indoor air quality leading to better focus, calming of allergies, and enhancement of sleep while ensuring an overall more healthy home. It features: • Quick and easy device setup • AirGlimpse™: Color-coded indicators give you at-a-glance information about your air quality • Access to the detailed graphs to help you track and find trends over time • Set focuses for your devices - air quality data broken down into high engagement problems that you care about • Control your Renew air purifier from anywhere • 5-day pollen forecast for your location with actionable advice • Notifications inform you of poor air quality and suggest ways to improve it, fast • Tips for addressing common indoor air quality problems and how to make the most of your device • Recommendations on the best Airthings monitor for your needs • Subscribe to Air Reports - We’ll send you a monthly update which summarises all the sensor data for your location. This app supports all Airthings products. If you have questions about using the app or any of our monitors, please refer to the Airthings Help Center or contact support@airthings.com.

Screenshots

PRO4 screens
Airthings4 screens

Verdict

The call

The clearest difference is review sentiment: Airthings at 33% against PRO's 4%. Airthings also leads on update cadence (fortnightly vs monthly). PRO's advantage is monetization model (free vs free with in-app purchases). 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.

UpkeepUpdate frequency

PRO ships an update monthly, Airthings fortnightly. The most recent releases landed on June 27, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
PRO versus Airthings: the parameters behind the verdict, then further details
ParameterPROAirthings
PriceFreeFree
Rating—4.4 (3K ratings) — better
Positive reviews4.1% of reviews33.3% of reviews — better
Number of ratings—3K — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size5 MB102 MB
Age rating4+4+
DeveloperPROFESSIONAL LABORATORIES, INCAirthings ASA

Customer experience

PRO

Written reviews97 reviews
Positive4.1%
Neutral1.0%
Negative94.8%

Airthings

All ratings3,005 ratings
Positive83.9%
Neutral3.4%
Negative12.7%
Written reviews450 reviews
Positive33.3%
Neutral9.1%
Negative57.6%

User reviews

PRO

From App Store reviews

What we love

  • 👍 Simple registration process
  • 📧 Email notification for test results

Room to improve

  • 🚫 Doesn't work for Canadian users
  • 🐛 Registration issues - 'all fields required' error
  • 💤 App is not updated or maintained
  • 🤔 Unclear purpose and functionality of the app

Airthings

From 3K App Store ratings

What we love

  • 🚀 Simple to understand and setup
  • 🚀 Intuitive and easy to use app
  • 🚀 Efficient and fast
  • 🚀 Provides great information on air quality
  • 🚀 Accurate and reliable sensor readings

Room to improve

  • 🐛 App has connectivity issues, often fails to sync
  • 🐛 App is buggy and has many errors
  • 🐛 Inaccurate or inconsistent sensor readings
  • 🐛 Difficult to set up and connect devices
  • 🐛 Lack of customization options for thresholds and notifications

Bugs and requests

PRO

Reported bugs

3 issues
  • Registration process doesn't work
  • App crashes on certain devices
  • Incompatible with current OS versions

Requested features

3 requests
  • Ability to save and view historical test results
  • Option to pay for tests through the app
  • Support for Canadian addresses and postal codes

Airthings

Reported bugs

6 issues
  • App crashes frequently
  • Unable to add new devices or accounts
  • Incorrect color coding and data display
  • Delayed or missing sensor data updates
  • Bluetooth connectivity issues
Show 1 more
  • Unexplained battery drain on devices

Requested features

6 requests
  • Add HomeKit integration
  • Allow custom thresholds and notifications
  • Improve data visualization and historical trending
  • Add more detailed information on air quality issues and remedies
  • Provide an iPad-optimized version of the app
Show 1 more
  • Improve syncing and connectivity reliability

In-app purchases

None

PRO

No in-app purchases

None

Airthings

No in-app purchases

Questions

Is PRO free?
PRO is free to download, with no in-app purchases.
Is Airthings free?
Airthings is free to download, with no in-app purchases.
Do PRO or Airthings have ads?
Neither PRO nor Airthings shows ads.
Which is updated more often, PRO or Airthings?
PRO ships an update monthly, and Airthings fortnightly. Most recently, PRO was updated on June 27, 2026 and Airthings on September 22, 2026.

Other comparisons