# Petoi Bittle X V2 vs Ropet KAMOMO Pro

As of Oct 26, 2026, the Petoi Bittle X V2 costs $319 and the Ropet KAMOMO Pro costs $280, so the Ropet KAMOMO Pro is $39 cheaper. Pick the Petoi Bittle X V2 for learning to code and build robots. Pick the Ropet KAMOMO Pro for cuddly desk companion on a budget.

Prices checked Oct 26, 2026. HTML version: https://robotsforthat.com/vs/petoi-bittle-x-vs-ropet-kamomo-pro/

## Side by side

| | Petoi Bittle X V2 | Ropet KAMOMO Pro |
|---|---|---|
| Price | $319 | $280 |
| 3 year cost | $319 | $280 |
| Our score | Not scored yet | Not scored yet |
| Rank in Companions | #12 | #10 |
| Status | on sale | on sale |
| Warranty | 1 year, plus 30 day returns (Petoi store) | 1 year (Amazon listing) |
| Type | Open source programmable robot dog, sold as a build kit or pre assembled | Plush robot pet with screen eyes, removable fur and mask, and a body that gives off warmth |
| Interaction | Voice commands, Petoi phone app, IR remote with the pre assembled package, block coding, Python and C++ | Touch, voice, face recognition, hand gestures and object recognition; companion app for diary, eye styles and AI features |
| Ai features | On device voice recognition with 35+ built in commands and up to 10 custom ones, no network needed; optional camera module for AI vision projects | Behaviors, recognition and personality growth run offline on the robot; GPT powered conversation unlocks after 7 days of care, and AI chat, diaries and the Dream Sketch drawing feature use cloud processing |
| Camera | Optional add on camera; none in the base kit | Yes, camera in the nose; Dream Sketch photo processing is optional and must be turned on in the app |
| Mobility | Four legs, 9 joints; maker lists a safe top speed of 40 mm/s; can carry 1 lb | Stationary desk pet; the Pro charging base lets it rotate a little (per Engadget) |
| Battery runtime | About 1 hour of continuous walking | 2.5 to 3.5 hours (maker FAQ) |
| Charge time | About 2 hours (RobotShop listing); charger not included | About 1 hour fast charging, 1.5 to 2 hours standard (maker FAQ) |
| Size weight | 200 by 110 by 110 mm (RobotShop); weight not published | 9.92 x 5.91 x 5.91 in, 1.32 lb (Amazon listing) |
| Subscription | None | No plan required; Ropet's site says GPT chat is free with no usage limit, while the Amazon listing mentions 10 free minutes a day plus in app credits |
| Age range | 10+; younger builders with adult supervision | 3 years and up (manufacturer recommended age on Amazon listing); some AI features have their own age requirements |
| Best for | learning to code and build robots | cuddly desk companion on a budget |
| Skip if | you want a no effort pet | you want a robot that moves around |

## What reviewers found

### Petoi Bittle X V2

- Make:: Tested the Bittle X V2 with arm alongside the Nybble Q; noted built in voice control and an ESP32 board, that you never have to assemble circuit boards, and that Bittle is the more durable choice, though neither is a foolproof consumer product. [Source](https://makezine.com/article/technology/robotics/petoi-programmable-robot-pets-reviewed/)
- Movies Games and Tech: Pre built Bittle X ran about an hour per charge; 35+ voice commands were new for this edition; setup needs software on a computer and the box has no printed instructions. [Source](https://moviesgamesandtech.com/2023/07/09/review-bittle-x-open-source-bionic-robot-dog-from-petoi/)
- Hinton Magazine: Praised the DIY kit as a way to learn robotics and wiring, the durable interlocking parts, OpenCat programming and 35+ voice commands. [Source](https://www.hintonmagazine.com/post/review-exploring-the-world-of-robotics-with-petoi-robot-dog-bittle-x)

### Ropet KAMOMO Pro

- Engadget: Hands on at CES 2025: found it very cute and responsive to touch, gestures and music, with object recognition shown as emoji eyes. Noted face data is processed on the device and ChatGPT is optional. [Source](https://www.engadget.com/home/ropet-is-the-cute-as-hell-emotional-robot-at-ces-2025-that-the-modern-furby-wishes-it-could-be-214046211.html)
- Forbes (contributor): CES 2025 hands on described it as enjoyable to interact with, called the battery life unimpressive and flagged privacy as a likely concern despite mostly local data. [Source](https://www.forbes.com/sites/prakharkhanna/2025/01/07/ces-2025-ropet-can-be-your-emotional-ai-pet-companion-for-299/)

## Questions buyers ask

### Which is better, the Petoi Bittle X V2 or the Ropet KAMOMO Pro?

Pick the Petoi Bittle X V2 for learning to code and build robots. Pick the Ropet KAMOMO Pro for cuddly desk companion on a budget.

### Which is cheaper?

The Ropet KAMOMO Pro at $280, versus $319 for the Petoi Bittle X V2, checked Oct 26, 2026. Over 3 years with running costs: $319 vs $280.

### What is the difference between the Bittle X V2 and the KAMOMO Pro?

Type: Open source programmable robot dog, sold as a build kit or pre assembled on the Bittle X V2, Plush robot pet with screen eyes, removable fur and mask, and a body that gives off warmth on the KAMOMO Pro. Interaction: Voice commands, Petoi phone app, IR remote with the pre assembled package, block coding… on the Bittle X V2, Touch, voice, face recognition, hand gestures and object recognition; companion app for… on the KAMOMO Pro. Ai features: On device voice recognition with 35+ built in commands and up to 10 custom ones, no… on the Bittle X V2, Behaviors, recognition and personality growth run offline on the robot; GPT powered… on the KAMOMO Pro.

Full reviews: [Petoi Bittle X V2](https://robotsforthat.com/robot/petoi-bittle-x/index.md), [Ropet KAMOMO Pro](https://robotsforthat.com/robot/ropet-kamomo-pro/index.md)