What Freex does

Freex Ltd. (フリークス株式会社) is a Tokyo-based IT services and product company founded in October 2017 by CEO Ritsu Shibutani, operating with 1-10 employees and registered capital of 1,000,000 JPY. The company runs a hybrid business model combining three professional service lines — in-house product development, 'Rapid AI Development' (爆速AI開発) for generative AI and business process automation, and security consulting for vulnerability assessment — alongside a portfolio of seven proprietary consumer applications distributed through iOS App Store, Google Play Store, and dedicated web platforms. The corporate mission positions technology as a means to expand human choice, and the company name itself is a portmanteau of 'FREE' (freedom) and 'FLEX' (flexibility).

The company's technology stack is anchored on AI/generative AI and security capabilities. AI is applied across an NLP-driven writing correction app (Tensaku-san), an AI-assisted challenge decomposition platform ('Ritsu's AI Notebook'), and a B2B generative AI consulting service that includes business process automation. The broader product portfolio spans a real estate information platform (Ieree), a security risk management platform (RiskLens), an insect auction marketplace (Mushioku), email authentication verification (DMARC Checker), and two mahjong training applications (Yaku-Tanmen, Yaku-Tore). The architecture is a multi-product portfolio rather than a unified platform, and the company has no disclosed patents, trademarks, certifications, or external investor relationships.

Freex monetizes through professional services engagements (quote-based pricing for AI development and security consulting) and through consumer applications distributed via app marketplaces under one-time license pricing. B2B customers range from individual entrepreneurs and startups to large enterprises, while the consumer segment is served via app stores targeting niche Japanese interest verticals. The company is privately held, founder-operated, with no parent entity, subsidiaries, institutional investors, M&A activity, or partnerships disclosed in the available source material.

Name

Freex

Legal name

フリークス株式会社

Website

https://freex.ltd

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

1–10 employees

Short description

Freex Ltd. is a Tokyo-based IT services and product company founded in 2017, offering rapid AI development, security consulting, and a portfolio of seven niche consumer apps spanning real estate, security, mahjong training, AI writing correction, and insect auctions.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. In-house Product Development: Development and operation of proprietary consumer applications including AI tools, games, and platforms distributed through app stores and web
2. Rapid AI Development Services: Client-facing AI development services including generative AI solutions and business process automation
3. Security Consulting: Security consulting services including vulnerability assessment and security strategy support

Go-to-market motion3 records

Distribution channels4 records

Marketing channels3 records

Core offering

Freex Ltd. is a Tokyo-based IT solutions company that delivers three service lines — in-house product development, rapid AI development (generative AI solutions and business process automation), and security consulting (vulnerability assessment and security strategy support) — alongside seven consumer-facing applications spanning real estate, security, mahjong training, email authentication, AI writing correction, and insect auctions, distributed via web and mobile app stores.

Product overview

Freex is a solutions-focused technology company offering a portfolio of independently-developed digital products alongside professional IT services. Its product portfolio spans seven distinct applications: Ieree (real estate information platform), RiskLens (security risk management), Mushioku (insect auction service), Yaku-Tanmen (mahjong decision training), DMARC Checker (email authentication verification), Tensaku-san (AI writing correction), and Yaku-Tore (mahjong hand quiz training). In parallel, Freex offers three core service lines: in-house product development and operations, rapid AI development (including generative AI solutions and business process automation), and security consulting (vulnerability assessment and security strategy support). The products and services operate as a multi-product portfolio rather than a unified platform architecture.

Differentiator

Problem solved

Functional benefit

Brands

• Ieree (イエリー): Real Estate Information Platform
• RiskLens
• Mushioku (ムシオク)
• Yaku-Tanmen (役タンメン)
• DMARC Checker
• Tensaku-san (添削さん)
• Yaku-Tore (役トレ)

Products and services

• Ieree (イエリー) A real estate information platform that aggregates and presents property listings and related data to help users find suitable housing or investment properties.
• RiskLens A security risk management platform that helps organizations identify, assess, and manage security vulnerabilities and cyber risks.
• Mushioku (ムシオク) An insect auction service platform where users can buy and sell insects through a real-time bidding mechanism. Available on web, iOS, and Android.
• Yaku-Tanmen (役タンメン) A mahjong decision-making training mobile application that helps users improve their judgment and strategic thinking skills in mahjong gameplay. Available on iOS.
• DMARC Checker An email authentication setting verification tool that checks and validates DMARC (Domain-based Message Authentication, Reporting & Conformance) configuration for domain email security. Available on iOS.
• Tensaku-san (添削さん) An AI-powered writing correction application that automatically reviews, edits, and improves user-submitted text documents. Available on iOS.
• Yaku-Tore (役トレ) A mahjong hand quiz training application that provides interactive quizzes to help users learn and memorize mahjong hand combinations and scoring rules. Available on iOS and Android.
• In-house Product Development & Operations Development, operation, and ongoing maintenance of proprietary consumer applications including AI tools, games, and platforms distributed through app stores and the web.
• Rapid AI Development (爆速AI開発) Client-facing AI development services including generative AI solutions and business process automation for business clients ranging from individual entrepreneurs to large enterprises.
• Security Consulting Security consulting services including vulnerability assessment (脆弱性診断) and security strategy support (セキュリティ対策支援) for client organizations.

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature3 records

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• PKSHA Technology: Japanese AI/algorithm company providing machine learning solutions and NLP products. Comparable in AI/ML service focus and Japanese enterprise customer base, with a similar services-plus-product model — and notably, PKSHa's NLP capability maps closely to Freex's Tensaku-san writing correction product.
• Ridge-i: Japanese AI consulting and solutions firm providing custom AI/ML development for enterprises. Directly comparable to Freex's Rapid AI Development service in target market (Japanese enterprises), business model (custom AI solutions), and AI/ML technology focus.
• ALBERT: Japanese data analytics and AI solutions company offering consulting and custom development. Comparable in business model (AI/data consulting), customer segment (Japanese enterprises), and offering mix (services plus proprietary products).
• Flatt Security: Japanese cybersecurity firm providing vulnerability assessment and security consulting, plus proprietary security tools. Comparable to Freex's Security Consulting service line and the RiskLens and DMARC Checker security products, in a similar small-team, services-plus-products configuration.
• HACARUS: Japan-based AI company providing AI solutions and consulting with industrial focus. Comparable to Freex as a small Japanese AI firm serving enterprise clients with custom AI implementations, though HACARUS is more focused on a specific technology (sparse modeling).
• BrainPad: Japanese data and AI company providing analytics, AI consulting, and proprietary SaaS products. Comparable as a Japanese AI/data services firm with both consulting services and proprietary product offerings, though at much larger scale.

Broad incumbents

• NTT Data: Major Japanese IT services conglomerate offering AI, security, and digital transformation consulting to enterprises. Broad incumbent competing in the same enterprise services space as Freex, with vastly greater scale, certifications, and reference customers.
• Trend Micro: Global cybersecurity company with significant Japanese operations, offering enterprise security products and consulting. Comparable to Freex's security consulting and security tooling efforts (RiskLens, DMARC Checker), but at enterprise scale with mature product portfolio.
• Preferred Networks: Japan's leading deep learning company with a broad portfolio spanning AI research, products, and enterprise solutions. Overlaps with Freex's AI development focus but operates at vastly larger scale with deeper IP, partnerships, and institutional funding.

Emerging players

• Sakana AI: Tokyo-based AI research and product company focused on efficient foundation models. Operates in the same AI development space as Freex but with research-led positioning, deeper funding, and stronger technical brand.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/freex

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Freex