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 ZEIRAKU. 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 | ZEIRAKU | 2/6 (33%) |
| 4 | たるたる税金 | 1/6 (17%) |
| 5 | Zenkoku Choueki Kyoukai | 1/6 (17%) |
| 6 | ZennoLabo | 1/6 (17%) |
| 7 | TSUTAYA Web Tax | 1/6 (17%) |
| 8 | たからくじ税金計算 | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇯🇵 Japan (日本語). Updated 6/25/2026. A proxy for how AI assistants describe this category.
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