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Household robot

Kachaka カチャカ

Reality level : Paper announcement · Proof: statements only, with no demonstration and no sale observed. See the rule

Useful for: Housework and upkeep · Logistics and warehousing

by Preferred Robotics · 2 versions: カチャカプロ and カチャカEvo

Key facts

Kachaka is a domestic utility robot from Preferred Robotics, intended for housekeeping and maintenance. Its recommended retail price in Japan is 228,000 JPY for the robot alone, with Kachaka furniture and a monthly subscription required on top. The カチャカEvo version carries up to 100 kg, for lifting carts or shelves.

Recommended price
228,000 JPY
Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 28 September 2026. One-time payment, tax included; robot only (Kachaka furniture and monthly subscription required in addition). Original text: “一括:¥228,000(税込)”

Japan market. One-time payment, tax included; robot only (Kachaka furniture and monthly subscription…

Payload
30 kg (カチャカEvo: 100 kg)
Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. カチャカプロ, maximum, for towing the dedicated shelf (専用棚を牽引). Original text: “専用棚を牽引して最大30kgを搬送する小型AMRです。”

Version カチャカプロ. maximum, for towing the dedicated shelf (専用棚を牽引).

Teleoperation
Yes
Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Original text: “今回のソフトウェア・アップデートでは、ほかに遠隔操作機能が追加されました。”
Autonomous navigation
Yes
Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. カチャカプロ. Original text: “導入しやすい価格帯、簡単な操作性を特長とする自律搬送ロボットです”

Not disclosed height, weight, battery life, availability in France, data privacy

Specifications

8 verified specifications · updated on

Kachaka, specifications and levels of evidence
SpecificationカチャカプロカチャカEvoLevel of evidence
Manufacturer suggested price228,000 JPYOriginal text: “一括:¥228,000(税込)”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 28 September 2026. One-time payment, tax included; robot only (Kachaka furniture and monthly subscription required in addition). Original text: “一括:¥228,000(税込)”
WidthカチャカプロNot disclosedカチャカEvo38 cmOriginal text: “本体幅380mm”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. カチャカEvo. Original text: “本体幅380mm・奥行722mmの小型ボディ”
DepthカチャカプロNot disclosedカチャカEvo72.2 cmOriginal text: “奥行722mm”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. カチャカEvo. Original text: “本体幅380mm・奥行722mmの小型ボディ”
Payloadカチャカプロ30 kgOriginal text: “最大30kg”カチャカEvo100 kgOriginal text: “最大100kg”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. カチャカEvo, maximum, lifting carts or shelves. Original text: “可搬重量を最大100kgに拡張したモデルです。”
Autonomous navigationYesOriginal text: “自律搬送ロボット”Reported · マイナビニュース TECH+Reported. マイナビニュース TECH+ (ものづくり), published 9 September 2026. Original text: “PFRは、家庭用自律搬送ロボット「カチャカ」や法人向けの「カチャカプロなどを展開している。”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Original text: “カチャカは2023年5月に発売された、家庭用の自律移動ロボットです。”
Teleoperation supportedYesOriginal text: “遠隔操作機能が追加されました”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Original text: “今回のソフトウェア・アップデートでは、ほかに遠隔操作機能が追加されました。”
CameraYesOriginal text: “前カメラ画像取得”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Original text: “前カメラ画像取得”
LiDARYesOriginal text: “LiDAR点群データ取得”Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Original text: “LiDAR点群データ取得”

Do you have a source? Tell us

Claimed by the manufacturerReported by a news outletIndependent test observed or measuredNo: confirmed absence · Not disclosed: no source

Program this robot

Verified on

Programmable: yes (ROS 2).

Accessible from the advanced level. To start: ROS.

SDK and languages

Public SDK
Yes Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Since software version 2.0.0, published on GitHub under the Apache License 2.0. Original text: “第一弾として、スマホアプリ相当のAPIのサブセット(カチャカAPI)を公開します。”

ROS 2

ROS compatibility
ROS 2 Claimed by the manufacturerClaimed by the manufacturer. Preferred Robotics (pages produit officielles), accessed 1 October 2026. Original text: “カチャカはROS 2に対応しているため、ROS 2移動ロボットの参照機体としての役割も果たせます。”

Community projects

  • pf-robotics/kachaka-api · Project independent of the manufacturer

    Apache-2.0 · 127 stars · TypeScript · Active, last updated 16/09/2026

    スマートファニチャープラットフォーム「カチャカ」API

  • mertcookimg/kachaka_ros2_lecture · Project independent of the manufacturer

    Apache-2.0 · 41 stars · Python · Slowing down, last updated 27/11/2025

  • CyberAgentAILab/kachaka_ros2_dev_kit · Project independent of the manufacturer

    Apache-2.0 · 33 stars · Python · Dormant, last updated 14/08/2025

    カチャカを用いたROS 2ソフトウェア開発キット

Figures read on GitHub on 02/10/2026.

News about this robot

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Cite this sheet

Plain citation

“Kachaka”, Vuntum, updated 2 October 2026, https://vuntum.com/en/robots/preferred-robotics-kachaka

APA format

Vuntum. (2026, October 2). Kachaka. https://vuntum.com/en/robots/preferred-robotics-kachaka

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