Casio Moflin vs Petoi Bittle X V2
Researched by Riley Hart · prices checked Oct 26, 2026
As of Oct 26, 2026, the Casio Moflin costs $429 and the Petoi Bittle X V2 costs $319, so the Petoi Bittle X V2 is $110 cheaper. Pick the Casio Moflin for adults who want a calm, private pet to hold. Pick the Petoi Bittle X V2 for learning to code and build robots.
- Type
- Cuddly pet
- Interaction
- Touch
- Subscription
- None
- Ages
- 13+
Moflin is a quiet hand held comfort pet for adults who want something to stroke and hold, and it is the most private option here with no camera and on device AI. Reviewers split sharply: some grew attached, others found its motor whir and constant reactions irritating. Skip it if you want a robot that moves, talks or plays, because it only wiggles and chirps.
Full Casio Moflin review →- Type
- Robot dog kit
- Interaction
- App
- Subscription
- None
- Ages
- 10+
Bittle X V2 is a strong pick for kids 10 and up, students and hobbyists who want to learn coding and robotics on a real legged robot that runs offline. Skip it if you want a hands off pet for cuddling or long play, since it walks about an hour per charge and the best experience involves some programming.
Full Petoi Bittle X V2 review →Side by side
| Casio Moflin | Petoi Bittle X V2 | |
|---|---|---|
| Price | $429 | $319 |
| 3 year cost | $429 | $319 |
| Our score | Not scored yet | Not scored yet |
| Rank in Companions | #13 | #12 |
| Status | on sale | on sale |
| Warranty | 1 year | 1 year, plus 30 day returns (Petoi store) |
| Type | Furry comfort pet with no face screen; model PE-M10 in silver, gold and pink | Open source programmable robot dog, sold as a build kit or pre assembled |
| Interaction | Touch (stroking, hugging), voice tone and sound, light and motion; MofLife app shows mood and a journal | Voice commands, Petoi phone app, IR remote with the pre assembled package, block coding, Python and C++ |
| Ai features | On device emotional AI that grows over about 50 days and learns to recognize its owner's voice; it does not understand words and uses no cloud LLM | 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 |
| Camera | No camera; one microphone; Casio says voice features are stored locally as non identifiable data and data is uploaded only through the app when you choose | Optional add on camera; none in the base kit |
| Mobility | Stationary; 2 axis head movement (rotation and tilt) | Four legs, 9 joints; maker lists a safe top speed of 40 mm/s; can carry 1 lb |
| Battery runtime | About 5 hours of typical use (Casio) | About 1 hour of continuous walking |
| Charge time | About 3.5 hours in its charging bed (Casio) | About 2 hours (RobotShop listing); charger not included |
| Size weight | 130 x 90 x 180 mm, about 260 g (9.2 oz) | 200 by 110 by 110 mm (RobotShop); weight not published |
| Subscription | None mentioned by Casio; MofLife app is free | None |
| Age range | 13 years and up (manufacturer recommended age on Amazon listing) | 10+; younger builders with adult supervision |
| Best for | adults who want a calm, private pet to hold | learning to code and build robots |
| Skip if | you want a pet that moves, talks or plays | you want a no effort pet |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Casio Moflin
- The Verge: After weeks of use the reviewer found the motor whir and constant reactions to every sound irritating, called the app thin and ended up using Deep Sleep Mode to silence it. Source
- Tech Advisor: Needs to recharge about every five hours, has audible neck gears and limited movement; a soothing conversation starter, but the bond felt one sided for the price. Source
- Fast Company: After close to three weeks the reviewer grew attached and called it one of the first AI companions that is actually useful, despite chirps interrupting a video call. Source
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
- 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
- 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
Pros and cons
Casio Moflin
Pros
- No camera, AI runs on the device
- About 5 hours per charge
- Soft fur and warm, pet like reactions
- Simple setup with a free app
Cons
- $429 for a robot that only wiggles and chirps
- Audible motor whir reported by reviewers
- Reacts to every sound and movement, which some found tiring
- App offers little beyond mood meters and a journal
Petoi Bittle X V2
Pros
- Open source with block, Python and C++ coding
- Offline voice commands, no account needed
- Kit or pre assembled options
- Durable plastic body (Make:, The Gadgeteer)
Cons
- About 1 hour per charge
- Charger not included
- Several alloy servo versions sold out
- Remote control can be unresponsive (What Gadget)
Questions buyers ask
Which is better, the Casio Moflin or the Petoi Bittle X V2?
Pick the Casio Moflin for adults who want a calm, private pet to hold. Pick the Petoi Bittle X V2 for learning to code and build robots.
Which is cheaper?
The Petoi Bittle X V2 at $319, versus $429 for the Casio Moflin, checked Oct 26, 2026.
What is the difference between the Moflin and the Bittle X V2?
Type: Furry comfort pet with no face screen; model PE-M10 in silver, gold and pink on the Moflin, Open source programmable robot dog, sold as a build kit or pre assembled on the Bittle X V2. Interaction: Touch (stroking, hugging), voice tone and sound, light and motion; MofLife app shows… on the Moflin, Voice commands, Petoi phone app, IR remote with the pre assembled package, block coding… on the Bittle X V2. Ai features: On device emotional AI that grows over about 50 days and learns to recognize its owner's… on the Moflin, On device voice recognition with 35+ built in commands and up to 10 custom ones, no… on the Bittle X V2.
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