AI assistants most often recommend Notion for note taking apps in 🇯🇵 Japan (日本語), naming it in 100% of the buyer questions we tested, followed by Evernote and OneNote. We asked an AI model the questions buyers ask about note taking apps and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | Notion | 6/6 (100%) |
| 2 | Evernote | 6/6 (100%) |
| 3 | OneNote | 4/6 (67%) |
| 4 | Simplenote | 3/6 (50%) |
Method: 6 representative buyer questions via a large language model, 🇯🇵 Japan (日本語). Updated 6/23/2026. A proxy for how AI assistants describe this category.
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