Apple Books vs Duolingo ABC:Which is more popular?
In September 2026, Apple Books had more branded searches than Duolingo ABC among reading apps worldwide. Apple Books had about 74,000 branded searches, while Duolingo ABC had 22,200. Apple Books made up 1.3% of all reading app searches we track, and Duolingo ABC accounted for 0.38%. When we asked ChatGPT and Google AI Overviews about reading apps, Apple Books appeared in three of the five answers and Duolingo ABC in one. Apple Books was mentioned before Duolingo ABC in three out of four answers that named either.
Who do people search for more?
Apple Books, about 3 searches for every 1 for Duolingo ABC
Who does AI mention more?
Apple Books, mentioned in 3 of 5 answers, Duolingo ABC in 1
Who does AI recommend more?
Apple Books, named ahead of Duolingo ABC in 3 of 4 answers
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Top reading apps in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Apple Books was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Duolingo ABC was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Apple Books was listed before Duolingo ABC in three out of four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Kindle3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Libby3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Apple Books3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Reading Eggs2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Teach Your Monster to Read2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- The StoryGraph2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Hooked on Phonics1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Duolingo ABC1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Epic0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Raz-Kids0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about reading apps
5 answers
Asked ChatGPT
“Which reading app should I use?”
Asked ChatGPT
“What are the best reading apps?”
Asked ChatGPT
“What's the best reading app for early literacy?”
Searched Google, AI Overview
“reading apps”
Searched Google, AI Overview
“learn to read app”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Apple Books or Duolingo ABC more popular in search?
This chart shows how often people search Google for Apple Books and Duolingo ABC by name. Each line represents a brand's share of searches for all ten reading apps we track, month by month, from English-language searches worldwide.
Share of searches by month for Apple Books, Duolingo ABC. The figures are in the table below the chart.
View monthly share of searches table
| Month | Kindle | Epic | Libby | Reading Eggs | Raz-Kids | Hooked on Phonics | Apple Books | Teach Your Monster to Read | Duolingo ABC | The StoryGraph |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 55.1% | 9% | 9% | 11.1% | 11.1% | 1.5% | 1.5% | 1.2% | 0.3% | 0.24% |
| Nov 2025 | 63.4% | 7% | 7% | 10.4% | 8.5% | 1.1% | 1.1% | 0.94% | 0.23% | 0.19% |
| Dec 2025 | 69.6% | 6.3% | 7.7% | 6.3% | 6.3% | 1.3% | 1.3% | 0.84% | 0.25% | 0.38% |
| Jan 2026 | 62.7% | 6.9% | 10.3% | 6.9% | 8.4% | 1.4% | 1.4% | 1.1% | 0.28% | 0.51% |
| Feb 2026 | 59.9% | 8.1% | 9.8% | 9.8% | 8.1% | 1.3% | 1.3% | 1.1% | 0.26% | 0.26% |
| Mar 2026 | 58.4% | 7.8% | 9.6% | 11.7% | 7.8% | 1.3% | 1.6% | 1.3% | 0.26% | 0.26% |
| Apr 2026 | 62.2% | 6.8% | 10.2% | 8.3% | 8.3% | 1.1% | 1.4% | 1.1% | 0.22% | 0.27% |
| May 2026 | 61.7% | 6.8% | 10.1% | 10.1% | 6.8% | 1.7% | 1.4% | 0.91% | 0.27% | 0.27% |
| Jun 2026 | 69% | 3.4% | 9.3% | 9.3% | 5.1% | 1.5% | 1.2% | 0.68% | 0.3% | 0.3% |
| Jul 2026 | 74.4% | 1.1% | 10% | 6.7% | 3.7% | 1.6% | 1.3% | 0.49% | 0.33% | 0.33% |
| Aug 2026 | 65.4% | 7.2% | 10.7% | 7.2% | 4.8% | 1.8% | 1.4% | 0.79% | 0.29% | 0.35% |
| Sep 2026 | 57.4% | 11.5% | 9.4% | 9.4% | 7.7% | 1.6% | 1.3% | 1% | 0.38% | 0.25% |
How has the Apple Books and Duolingo ABC comparison changed over the last 12 months?
3 findings
- Apple Books was ahead of Duolingo ABC in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Apple Books’ share of searches among reading apps worldwide moved from 1.5% to 1.3%, and its estimated monthly branded searches moved from 90.5K to 74K.
- Across the 12 months ending September 2026, Duolingo ABC’s share of searches among reading apps worldwide moved from 0.3% to 0.38%, and its estimated monthly branded searches moved from 18.1K to 22.2K.
How did search popularity change for reading apps worldwide in September 2026?
2 changes
In September 2026, Duolingo ABC rose from 10th to 9th among reading apps worldwide.
Estimated monthly branded searches for Apple Books worldwide fell 18.2% over 12 measured months, from 90.5K to 74K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Apple Books’ and Duolingo ABC’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.
Apple Books
1 branded search term
- apple books
Duolingo ABC
1 branded search term
- duolingoabc
Other head-to-heads among reading apps
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