Comparison

Airthings vs Ameistor

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

Head to head
About

Airthings

Monitor and improve your home's air quality with smart devices and a connected app. Get insights into air quality trends, receive alerts for poor conditions, and control air purifiers remotely for a healthier living environment.

Highlights
  • Quick device setup
  • AirGlimpse™ color indicators
  • Detailed air quality graphs
  • Customizable device focuses
  • Remote air purifier control
  • 5-day pollen forecast
  • Air quality alerts and tips
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.

About

Ameistor

Features
Read full description

Ameistor: Master your smart stair and ambient lighting. • IR Sensor Control: Lights activate automatically upon detection, perfect for safety & convenience. • Professional Settings: Fine-tune colors, brightness, effects, and sensitivity to your exact preference. • Smart Scheduling: Set precise timers and daily automations for effortless management. • 16M+ Colors : Unlock endless colors and dynamic light. Ideal For: Automating stairways for safety, creating dynamic room atmospheres, and setting the perfect mood for any occasion. Connect easily via BLE and customize every detail.

Screenshots

Airthings4 screens
Ameistor4 screens

Verdict

The call

The clearest difference is rating: Airthings at 4.4 against Ameistor's 2.0. Airthings also leads on ratings volume (3K vs 1) and update cadence (every 2 weeks vs monthly). Ameistor's advantage is iOS requirement (15.1 vs 17.6). 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

Airthings holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Airthings has 3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Airthings ships an update every 2 weeks, Ameistor monthly. The most recent releases landed on November 13, 2026 and November 14, 2026 respectively.

Scorecard4 real differences · 6 level
Airthings versus Ameistor: the parameters behind the verdict, then further details
ParameterAirthingsAmeistor
PriceFreeFree
Rating4.4 (3K ratings) — better2.0 (1 ratings)
Positive reviews33.2% of reviews—
Number of ratings3K — better1
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size105 MB21 MB
Age rating4+4+
DeveloperAirthings ASA茂林 李

Bugs and requests

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

Ameistor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Airthings

No in-app purchases

None

Ameistor

No in-app purchases

Questions

Is Airthings free?
Airthings is free to download, with no in-app purchases.
Is Ameistor free?
Ameistor is free to download, with no in-app purchases.
Which has better reviews, Airthings or Ameistor?
Airthings is rated higher. Airthings averages 4.4 out of 5 from 3K ratings, while Ameistor averages 2.0 from 1 ratings.
Do Airthings or Ameistor have ads?
Neither Airthings nor Ameistor shows ads.
Which is updated more often, Airthings or Ameistor?
Airthings ships an update every 2 weeks, and Ameistor monthly. Most recently, Airthings was updated on November 13, 2026 and Ameistor on November 14, 2026.

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