AI assistants most often recommend Freee for tax software in 🇯🇵 Japan (日本語), naming it in 100% of the buyer questions we tested, followed by Money Forward and Zenrin Web Kazei. We asked an AI model the questions buyers ask about tax software 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 | Freee | 6/6 (100%) |
| 2 | Money Forward | 6/6 (100%) |
| 3 | Zenrin Web Kazei | 1/6 (17%) |
| 4 | TSUKURU | 1/6 (17%) |
| 5 | ZEIRAKU | 1/6 (17%) |
| 6 | Zenkoku Shinkin Hoken | 1/6 (17%) |
| 7 | ZennoLabo | 1/6 (17%) |
| 8 | TSUTAYA Web Tax | 1/6 (17%) |
| 9 | Zennoh | 1/6 (17%) |
| 10 | Zenrin Tax | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇯🇵 Japan (日本語). Updated 10/18/2026. A proxy for how AI assistants describe this category.
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