AI assistants most often recommend Money Forward for personal finance apps in 🇯🇵 Japan (日本語), naming it in 100% of the buyer questions we tested, followed by Zeni and Zaim. We asked an AI model the questions buyers ask about personal finance 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 | Money Forward | 6/6 (100%) |
| 2 | Zeni | 3/6 (50%) |
| 3 | Zaim | 1/6 (17%) |
| 4 | Mujin-to-kanri | 1/6 (17%) |
| 5 | Mujinzu | 1/6 (17%) |
| 6 | Toranoto | 1/6 (17%) |
| 7 | Zozo | 1/6 (17%) |
| 8 | Rakuten | 1/6 (17%) |
| 9 | Yahoo! Japan | 1/6 (17%) |
| 10 | ZUU | 1/6 (17%) |
| 11 | Money Link | 1/6 (17%) |
| 12 | Cash Link | 1/6 (17%) |
| 13 | Mint | 1/6 (17%) |
| 14 | Personal Capital | 1/6 (17%) |
| 15 | Money Book | 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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