Duolingo vs Rosetta Stone:Which is more popular by branded search?
In August 2026, Duolingo had more branded searches than Rosetta Stone among language learning apps worldwide. Duolingo was estimated to have 7.7M branded searches compared to Rosetta Stone’s 368K, and held an 89.8% Share of Search versus Rosetta Stone’s 4.3%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Duolingo or Rosetta Stone?
Compare the apps people use to learn a language. 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 Duolingo, Rosetta Stone. The figures are in the table below the chart.
View monthly share of search table
| Month | Duolingo | Rosetta Stone | Busuu | Babbel | Memrise |
|---|---|---|---|---|---|
| Oct 2025 | 88.6% | 4.3% | 2.5% | 2.6% | 2% |
| Nov 2025 | 86% | 5.1% | 3% | 3.1% | 2.9% |
| Dec 2025 | 87.9% | 4.2% | 3.1% | 3.1% | 1.7% |
| Jan 2026 | 85.8% | 5% | 3% | 3.8% | 2.4% |
| Feb 2026 | 88.4% | 4.3% | 2.6% | 3.2% | 1.7% |
| Mar 2026 | 87.6% | 4.2% | 3.1% | 3.1% | 2% |
| Apr 2026 | 89.6% | 3.5% | 2.6% | 2.7% | 1.7% |
| May 2026 | 89.9% | 3.5% | 2.6% | 2.6% | 1.4% |
| Jun 2026 | 90.3% | 3.5% | 2.6% | 2.2% | 1.4% |
| Jul 2026 | 88.6% | 4.2% | 3.1% | 2.7% | 1.4% |
| Aug 2026 | 89.8% | 4.3% | 2.7% | 2.2% | 1.1% |
| Sep 2026 | — | — | — | — | — |
How has the Duolingo and Rosetta Stone comparison changed over the last 12 months?
3 findings
- Duolingo was ahead of Rosetta Stone in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Duolingo’s estimated Share of Search among language learning apps worldwide moved from 88.6% to 89.8%, and its estimated monthly branded searches moved from 9.3M to 7.7M.
- Across the 11 months ending August 2026, Rosetta Stone’s estimated Share of Search among language learning apps worldwide held steady at 4.3%, and its estimated monthly branded searches moved from 450K to 368K.
How did search popularity change for language learning apps worldwide in August 2026?
2 changes
In August 2026, Duolingo gained estimated Share of Search among language learning apps worldwide, from 88.6% to 89.8%.
Rosetta Stone’s estimated Share of Search among language learning apps worldwide has gained ground for 3 months in a row, from 3.5% to 4.3% in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Duolingo’s and Rosetta Stone’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.
Duolingo
5 branded search terms
- duolingo
- duolingo app
- duolingo com
- duolingo language
- duolingo language learning
Rosetta Stone
1 branded search term
- rosetta stone
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.