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Weather · head to head

Apple Weather (Dark Sky) vs IQAir

Apple Weather (Dark Sky) logo

Apple Weather (Dark Sky)

Weather

Hyperlocal precipitation forecasts built into iOS

From
Free
Rated
-
Full reviewWebsite
IQAir logo

IQAir

Weather

Global air quality information and purification

From
$399/one-time
Rated
-
Full reviewWebsite

The short version

  • Only Apple Weather (Dark Sky) has a free tier, so it costs nothing to try first.
  • Each has a real cost: Apple Weather (Dark Sky) dark Sky as a standalone app and API no longer exists, it was removed from the App Store and its API shut down; Dark Sky's technology now only exists folded into the built-in Apple Weather app, so any 'Dark Sky' branded product/API can no longer be evaluated or purchased; IQAir extremely expensive compared to competitors with similar particle filtration performance
  • They diverge on capability: Apple Weather (Dark Sky) covers Minute-by-minute precipitation, IQAir covers Global AQI data.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Apple Weather (Dark Sky) and IQAir actually diverge.

Attributes where Apple Weather (Dark Sky) and IQAir differ
AttributeApple Weather (Dark Sky)IQAir
Starting priceFree$399/one-time
Pricing modelfreeUnknown
Free tierYesNo
PlatformsiOS, macOSWeb, iOS, Android, Hardware
Founded20111963

Identical on both: user rating (Not yet rated), category (Weather).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Apple Weather (Dark Sky)

  • Minute-by-minute precipitation
  • Next-hour forecasts
  • Severe weather alerts
  • Air quality
  • UV index
  • iOS widgets
  • Siri
  • Apple Watch

Only in IQAir

  • Global AQI data
  • City rankings
  • Health recommendations
  • Forecasts
  • Historical data
  • API access
  • Mobile apps
  • Smart home

Both cover

  • Ios support

What people use each for

The jobs each tool is most often brought in to do.

Apple Weather (Dark Sky)

  • Checking hyperlocal current conditions and next-hour precipitation forecasts on iPhone/iPad/Mac/Apple Watchnot IQAir
  • Viewing hourly forecasts for the next 10 daysnot IQAir
  • Viewing high-resolution precipitation radar mapsnot IQAir
  • Receiving severe weather notificationsnot IQAir

IQAir

  • Checking real-time outdoor and indoor air quality (AQI, PM2.5, etc.) via the AirVisual appnot Apple Weather (Dark Sky)
  • Getting air quality forecasts for a locationnot Apple Weather (Dark Sky)
  • Remotely monitoring and controlling IQAir air purifiers from a smartphonenot Apple Weather (Dark Sky)
  • Integrating air quality/weather data into third-party apps via the AirVisual APInot Apple Weather (Dark Sky)
  • Tracking global air pollution using monitoring station datanot Apple Weather (Dark Sky)

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Apple Weather (Dark Sky)

  • Dark Sky as a standalone app and API no longer exists, it was removed from the App Store and its API shut down; Dark Sky's technology now only exists folded into the built-in Apple Weather app, so any 'Dark Sky' branded product/API can no longer be evaluated or purchased
  • Apple Weather has no public pricing/API tier of its own comparable to the old Dark Sky API, developers must use Apple's separate WeatherKit product instead
  • Apple Weather (the consumer app) is limited to Apple's own platforms; it is not available on Android or Windows

IQAir

  • Extremely expensive compared to competitors with similar particle filtration performance
  • Energy inefficient motors consume 215W at comparable CFM to cheaper models
  • Limited sensor specificity for users with specific allergies or respiratory concerns
  • Bulky design and outdated appearance unsuitable for modern interior design
  • Replacement filters are very expensive at $199.99 with high ongoing costs

Pricing, plan by plan

Apple Weather (Dark Sky)

Free
  • FreeFree
    • Full weather features
    • Minute-by-minute rain
    • Severe alerts

IQAir

$399/one-time
  • Atem Desk$399/one-time
    • Portable desktop air purifier
    • Small room coverage
  • Atem Eco$799.99/one-time
    • Smart air purification
    • Most affordable smart model
    • Released June 2026
  • Atem X$1399/one-time
    • Premium smart purifier
    • Large room coverage
    • Advanced filtration
  • HealthPro Plus$949/one-time
    • Medical-grade HyperHEPA filtration
    • Large room coverage
    • Gas and particle filtration

Which should you pick?

Choose Apple Weather (Dark Sky) if

  • You need minute-by-minute precipitation.
  • You want to start without paying.
  • You work on iOS, macOS.
  • You also want next-hour forecasts.
Apple Weather (Dark Sky) review

Choose IQAir if

  • You need global aqi data.
  • You work on Web, iOS, Android, Hardware.
  • You also want city rankings.
IQAir review

Questions people ask

Is Apple Weather (Dark Sky) or IQAir better?
Neither clearly leads. Apple Weather (Dark Sky) starts at Free and IQAir at $399/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apple Weather (Dark Sky) or IQAir?
Apple Weather (Dark Sky) has a free tier; the other does not. Paid plans start at Free for Apple Weather (Dark Sky) and $399/one-time for IQAir.
Does Apple Weather (Dark Sky) or IQAir run on more platforms?
Apple Weather (Dark Sky) runs on iOS, macOS. IQAir runs on Web, iOS, Android, Hardware.
Can I use Apple Weather (Dark Sky) for free?
Yes. Apple Weather (Dark Sky) has a free tier, so you can try it without paying. IQAir starts at $399/one-time.
What is Apple Weather (Dark Sky) best used for?
Apple Weather (Dark Sky) is most often used for checking hyperlocal current conditions and next-hour precipitation forecasts on iphone/ipad/mac/apple watch, viewing hourly forecasts for the next 10 days, viewing high-resolution precipitation radar maps, receiving severe weather notifications. Of those, checking hyperlocal current conditions and next-hour precipitation forecasts on iphone/ipad/mac/apple watch and viewing hourly forecasts for the next 10 days are not what IQAir is typically brought in for.
What can Apple Weather (Dark Sky) do that IQAir cannot?
Apple Weather (Dark Sky) covers Minute-by-minute precipitation, Next-hour forecasts, Severe weather alerts, Air quality. IQAir covers Global AQI data, City rankings, Health recommendations, Forecasts. Both handle Ios support.

Answered from the vendors’ own pages

Apple Weather (Dark Sky): Is Dark Sky still available as a standalone service?

No. Dark Sky is no longer a standalone service. The Dark Sky API was discontinued on March 31, 2023, and replaced by Apple's WeatherKit API. Apple integrated Dark Sky's features into its native Weather app.

Source
IQAir: What does IQAir do?

IQAir is a Swiss company providing two main services: air purification hardware (home and commercial air purifiers and filters) and air quality monitoring (real-time global air quality data from 80,000+ sensors worldwide, accessible via the AirVisual app and IQAir.com).

Source
Apple Weather (Dark Sky): What features from Dark Sky are now in Apple Weather?

Apple Weather includes hyperlocal forecasts down to 0.001° precision, next-hour precipitation forecasts with charts and maps, extended hourly forecasts for 10 days, high-resolution weather maps with precipitation and air quality overlays, and government-issued severe weather alerts.

Source
IQAir: How much do IQAir air purifiers cost?

IQAir air purifiers range from $399 for portable Atem models to $949 for the HealthPro Plus. The new Atem Eco model is $799.99. Replacement filters cost $199.99 and last 1-4 years depending on usage.

Source
Apple Weather (Dark Sky): What API replaced Dark Sky's API?

Developers who used Dark Sky API can now use Apple's WeatherKit API, which works across multiple platforms and replaces the deprecated Dark Sky API.

Source
IQAir: What real-time air quality data does IQAir provide?

IQAir provides real-time air quality data covering 500,000+ locations in 100+ countries, integrating data from government monitoring stations and 80,000+ IQAir-validated sensors. The platform measures PM2.5, PM10, and AQI for each location.

Source
Apple Weather (Dark Sky): What versions of Apple OS support the new Weather features?

Apple Weather with the new features is accessible on iOS 16, iPadOS 16, and macOS 13 Ventura or newer, available through the App Store.

Source
IQAir: Does IQAir have a mobile app?

Yes. IQAir's AirVisual app is available on iOS and Android, providing real-time air quality information, AQI rankings, health recommendations, and remote control of IQAir smart air purifiers.

Source
IQAir: Is IQAir affordable compared to other air purifiers?

No. IQAir air purifiers are significantly more expensive than alternatives. The HealthPro Plus at $900 offers similar particle filtering to the Winix 5500-2 at $300. Higher cost is primarily due to superior gas filtration but poor overall value for most users.

Source
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