Coway vs IQAir:Which is more popular by branded search?
In August 2026, IQAir had more branded searches than Coway among air purifier brands worldwide. IQAir was estimated to have 379K branded searches compared to Coway’s 253K, and held a 37.4% Share of Search versus Coway’s 25%. Worldwide · English terms: these are worldwide searches for English-language branded terms.
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Which is more popular in search, Coway or IQAir?
Compare brands that offer air purifiers for homes. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for IQAir, Coway. The figures are in the table below the chart.
View monthly share of search table
| Month | IQAir | Coway | Levoit | Blueair | AirDoctor |
|---|---|---|---|---|---|
| Oct 2025 | 14.9% | 38.7% | 27% | 17.4% | 2% |
| Nov 2025 | 33.5% | 30.4% | 18.9% | 14.9% | 2.2% |
| Dec 2025 | 42.8% | 24.3% | 19.9% | 11.5% | 1.4% |
| Jan 2026 | 26.2% | 31.3% | 26.8% | 14.2% | 1.5% |
| Feb 2026 | 21.2% | 30.5% | 29.9% | 16.8% | 1.6% |
| Mar 2026 | 17.2% | 34.9% | 29.4% | 16.5% | 2% |
| Apr 2026 | 17.6% | 34.5% | 30.1% | 15.3% | 2.5% |
| May 2026 | 12.2% | 36.9% | 32.5% | 15.4% | 3.1% |
| Jun 2026 | 9.7% | 35.8% | 33.8% | 18.1% | 2.6% |
| Jul 2026 | 27.2% | 28.5% | 27.8% | 14.6% | 1.9% |
| Aug 2026 | 37.4% | 25% | 23.9% | 12.1% | 1.6% |
| Sep 2026 | — | — | — | — | — |
How has the Coway and IQAir comparison changed over the last 12 months?
3 findings
- The lead changed hands 3 times in the 11 months ending August 2026: IQAir took it in November 2025, Coway took it in January 2026, IQAir took it in August 2026.
- Across the 11 months ending August 2026, Coway’s estimated Share of Search among air purifier brands worldwide moved from 38.7% to 25%, and its estimated monthly branded searches moved from 248K to 253K.
- Across the 11 months ending August 2026, IQAir’s estimated Share of Search among air purifier brands worldwide moved from 14.9% to 37.4%, and its estimated monthly branded searches moved from 95.2K to 379K.
How did search popularity change for air purifier brands worldwide in August 2026?
2 changes

In August 2026, IQAir overtook Levoit to take the highest estimated Share of Search among air purifier brands worldwide, at 37.4%.

In August 2026, Coway lost estimated Share of Search among air purifier brands worldwide, from 28.5% to 25%.
How each brand is measured
Brandwave collects information about searches that people make online using Coway’s and IQAir’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

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