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ExoMotus™ M4 Lower-limb Exoskeleton Robot

Built by Fourier · Singapore· Launched 2023

Updated May 2026·methodology

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Made by FourierRaised US$77.0M across 2 recorded roundsOpen company

#55 of 55 ranked Exoskeleton robots (93 listed)

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Watch it work

2 videos

More videos

Mr. Ng’s Journey: Overcoming Stroke and Spinal Cord Injury with ExoMotus M4

Fourier RehabOfficial

RoboScore

42.5/ 100

Out of 100. Checks on sales, customers, specs and track record.

Speculative — thin evidence

No named customers yet. The score uses the rest of its record.

5 of 9 checks have data

Updated daily from public data. Missing data is skipped, never counted as zero.

What counts

Average of the 5 checks with data. Checks without data are left out.

CheckWeightScore
On sale20%75/100
In use20%Not counted yet
Track record12%30/100
Specs on file12%56/100
Funding12%Not counted yet
Company age8%55/100
Other robots6%59/100
News6%Not counted yet
Wikipedia entry4%Not counted yet

Overview

The ExoMotus™ M4 is a lower-limb exoskeleton robot designed to simplify gait training for therapists and patients. It features a body-weight support frame, built-in chair, and open platform system (EXOPS™) for integration with the Fourier ecosystem. The device is made from high-strength materials including steel, aluminium, fabric, and plastic, ensuring patient comfort and safety while maintaining portability. With an average setup time of five minutes, it allows therapists to focus on patient care rather than device setup. The exoskeleton supports natural gait patterns and is used in hospitals and rehabilitation centers across the UK, Shanghai, Singapore, and the Philippines.

Key specs

  • Built for rehabilitation
  • Used across medical
  • Programmed through EXOPS™
  • Sold in UK, Shanghai and Singapore

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At a glance

Specifications

From the makerCheckedEstimated
40 kg
2023
Contact for quote
Active

Company profile

Recorded funding
US$77.0M· 2 rounds
Founded
around 2015

Detailed specifications

Other details5
Built In Seat
Yes
Setup Time Minutes
5
Low Friction Wheels
4
Outer Width Balance Frame
meets conventional 1000kg elevator requirements
Total Weight Support Frame Kg
100

Who uses it

No named customer yet

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6 other robots in this category have one.

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Where to buy

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Company milestones(estimated)

  • Jan 2026LaunchGR-3 featured at CES 2026
  • Aug 2025LaunchGR-3 official launch announced
  • Jul 2025MilestoneGR-3 unveiling announced for August
  • 2025LaunchGR-2 design registrations
  • 2025MilestoneExoMotus M4 listed at MEDICA 2025
  • Oct 2024MilestoneHospital Rehabilitasi Cheras exhibition
  • Sep 2024LaunchGR-2 launched by Fourier in Shanghai
  • Oct 2023MilestoneExoMotus M4 video published

Fourier in the news

the maker

6 events · last 12 months

  • Oct 31Meta went to Shanghai for its humanoid: prototype 'Max' built with China's Fourier in three months
  • Oct 31Meta and China's Fourier Build 'Max' Humanoid Robot in Three Months as Muse's Physical Form
  • Oct 31Meta went to Shanghai for its humanoid: prototype 'Max' built with China's Fourier in three months

News about Fourier, the maker, not about this robot specifically, except rows marked this robot. Collected and classified independently across 30 outlets, so a maker cannot add to it. It never changes this robot's RoboScore (the evidence half of the RoboIndex) and it can move it up a board by at most 15 points. See all Fourier news

Frequently asked questions

Who makes the ExoMotus™ M4 Lower-limb Exoskeleton Robot?
The ExoMotus™ M4 Lower-limb Exoskeleton Robot is developed by Fourier, based in Singapore.
What type of robot is the ExoMotus™ M4 Lower-limb Exoskeleton Robot?
The ExoMotus™ M4 Lower-limb Exoskeleton Robot is a Exoskeleton made by Fourier.
How much does the ExoMotus™ M4 Lower-limb Exoskeleton Robot cost?
Pricing for the ExoMotus™ M4 Lower-limb Exoskeleton Robot is not publicly listed. Contact Fourier for a quote.
When was the ExoMotus™ M4 Lower-limb Exoskeleton Robot launched?
The ExoMotus™ M4 Lower-limb Exoskeleton Robot was launched in 2023.

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