Brandwave

Duolingo vs italki:Which is more popular?

In September 2026, Duolingo had more branded searches than italki among language learning apps worldwide. Duolingo had about 9.3 million branded searches, while italki had 246,000. Duolingo made up 90.8% of all language learning app searches we track, and italki accounted for 2.4%. When we asked ChatGPT and Google AI Overviews about language learning apps, Duolingo appeared in all five answers and italki in four. Duolingo was mentioned before italki in every answer.

Among language learning apps worldwide in September 2026

Who do people search for more?

Duolingo, about 38 searches for every 1 for italki

Duolingo 9.3M searchesitalki 246K searches

Who does AI mention more?

Duolingo, mentioned in every answer we collected

Duolingo in 5 of 5italki in 4 of 5

Who does AI recommend more?

Duolingo, named ahead of italki in every answer

Duolingo first in 5italki never first

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Top language learning apps in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Duolingo appeared in all five answers. italki was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Duolingo was listed before italki in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Duolingo1st
  2. Babbel2nd
  3. Busuu3rd
  4. Pimsleur4th
  5. italki5th
  6. Memrise6th
  7. Mondly–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Duolingo5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Babbel5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Busuu4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • italki4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Pimsleur4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Memrise1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Mondly0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about language learning apps

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is Duolingo or italki more popular in search?

This chart shows how often people search Google for Duolingo and italki by name. Each line represents a brand's share of searches for all seven language learning apps we track, month by month, from English-language searches worldwide.

Duolingo and italki among language learning apps worldwide, by month

Share of searches by month for Duolingo, italki. The figures are in the table below the chart.

View monthly share of searches table
MonthDuolingoBusuuitalkiBabbelMemrisePimsleurMondly
Oct 202589.3%2.5%2.4%2.6%2%0.71%0.53%
Nov 202586.6%3%2.8%3.1%2.9%1%0.63%
Dec 202588%3.1%2.3%3.1%1.7%1.3%0.53%
Jan 202685.9%3%3.4%3.7%2.4%1%0.63%
Feb 202688.4%2.6%2.9%3.2%1.7%0.86%0.53%
Mar 202687.5%3%2.8%3.1%2%0.85%0.65%
Apr 202688.8%2.5%2.9%2.6%1.7%0.86%0.65%
May 202689.1%2.6%2.9%2.6%1.4%0.86%0.66%
Jun 202689.7%2.6%2.9%2.2%1.4%0.87%0.45%
Jul 202687.9%3.1%3.4%2.6%1.4%1%0.53%
Aug 202689.9%2.7%2.9%2.1%1.1%0.87%0.44%
Sep 202690.8%2.6%2.4%1.8%1.1%0.72%0.54%

How has the Duolingo and italki comparison changed over the last 12 months?

3 findings
  • Duolingo was ahead of italki in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Duolingo’s share of searches among language learning apps worldwide moved from 89.3% to 90.8%, and its estimated monthly branded searches held steady at 9.3M.
  • Across the 12 months ending September 2026, italki’s share of searches among language learning apps worldwide held steady at 2.4%, and its estimated monthly branded searches held steady at 246K.

How did search popularity change for language learning apps worldwide in September 2026?

2 changes
  1. In September 2026, Duolingo gained share of searches among language learning apps worldwide, from 89.9% to 90.8%.

  2. In September 2026, italki fell from 2nd to 3rd among language learning apps worldwide.

How are branded searches counted?

5 search terms

Brandwave collects information about searches that people make online using Duolingo’s and italki’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

4 branded search terms

  • duolingo
  • duolingo app
  • duolingo language
  • duolingo language learning

italki

1 branded search term

  • italki

How the Brand Demand Index is measured

Other head-to-heads among language learning apps

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