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DFree Inc.

DFree Inc.

Private
TokyoHealthcare & Life Scienceshttps://dfree.co.jp/

Last Round

Private Placement

Jul 15, 2025

Total Funding Raised

$24.02M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

DFree Inc. is a health-tech company that develops and markets DFree, a wearable ultrasound device designed to monitor bladder fullness and predict urination needs for individuals with urinary incontinence.

Sector

Healthcare & Life Sciences

Verticals

Medical Devices, Health IoT, Sensors, IoT Hardware

Business Model

B2B

Customer Profile

Hardware + Subscription, Hardware Sales

AI Layer

Application

Keywords

wearable health deviceurination predictionincontinence careremote patient monitoringRPMhealth IoTultrasound sensorsmart diaperelderly care technologygeritechcaregiver dashboardpredictive health analyticsbladder monitoringassistive technologytoileting assistance

Historical Pricing

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Caplight Momentum Score

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DFree Inc. Comparables

Compare DFree Inc. with similar companies based on industry and business-model similarity.

DFree Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
inContAlert
82%
MEDiThings Co., Ltd.
82%
Monit Corp.
81%

DFree Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Private PlacementJul 15, 2025
DebtMar 17, 2023
Series DMar 17, 2023
Series BNov 6, 2017
DebtMar 13, 2017
Series A
Jul 4, 2016

Key People

Founding team and executive leadership

AT Nakanishi

CEO

Executive Team

DFree Inc. Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors increased 54% MoM.

  • Apr 22, 2026

    Monthly visitors increased 44% MoM, reaching 3.6K.

DFree Inc. Filings

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DFree Inc. filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about DFree Inc.'s valuation, stock price, and market status.

Is DFree a public or private company?

DFree is a private company.

What is the current stock price of DFree?

DFree is a private company with no public stock price. No recent secondary market data is available.

How much is DFree worth (valuation)?

Valuation information for DFree is not publicly available.

Can I buy DFree stock?

DFree shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was DFree's last funding round?

DFree's most recent funding round was Debt on March 17, 2023.

Who are the main investors in DFree?

Key investors in DFree include Maezawa Fund.

Will DFree IPO soon?

No public IPO plans have been announced for DFree.

How can I track DFree secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor DFree's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersTokyo
Employee Range2
Year Founded2015
Last FundingJul 15, 2025

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