AI assistants most often recommend Ship&Co for shipping software in 🇯🇵 Japan (日本語), naming it in 67% of the buyer questions we tested, followed by ShipStation and Sendle. We asked an AI model the questions buyers ask about shipping 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 | Ship&Co | 4/6 (67%) |
| 2 | ShipStation | 2/6 (33%) |
| 3 | Sendle | 2/6 (33%) |
| 4 | 楽天スイフト | 1/6 (17%) |
| 5 | ヤフー小包 | 1/6 (17%) |
| 6 | ネットシップ | 1/6 (17%) |
| 7 | 楽天運輸 | 1/6 (17%) |
| 8 | ヤマト運輸 | 1/6 (17%) |
| 9 | ShippingEasy | 1/6 (17%) |
| 10 | Japan Postのログイックス | 1/6 (17%) |
| 11 | 楽天スピード | 1/6 (17%) |
| 12 | ヤマトスピード | 1/6 (17%) |
| 13 | Japan Post | 1/6 (17%) |
| 14 | ヤフー宅配便 | 1/6 (17%) |
| 15 | 楽天配送 | 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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