QuizKnock
QuizKnock is a Japanese web media platform founded in 2016 that publishes quiz articles, puzzles, and educational entertainment content across 12 categories for intellectually curious Japanese consumers, monetized through Amazon affiliate links, branded sponsored content, and a companion iOS application.
- Company typePrivate
- Founded2016
- HeadquartersTokyo, Japan
- Headcount—
- GTM typeB2C
- OfferingDigital Commerce or Content
What QuizKnock does
QuizKnock is a privately held Japanese web media company founded in 2016 by Takuji Izawa (伊沢拓司), a two-time National High School Quiz Championship winner, and operated by baton inc. (株式会社baton). The company's core offering is a quiz and intellectual entertainment platform accessible via web.quizknock.com and a dedicated iOS application, serving Japanese-speaking consumers — primarily intellectually curious adults and students seeking educational entertainment through quizzes, puzzles, and knowledge articles across 12 categories including puzzles, science, culture, sports, current events, and lifestyle.
The underlying technology is a web-based content management system built for publishing quiz articles, formatting interactive puzzles, and supporting recurring series such as 和同開珎パズル (Wadou Kaichin kanji puzzles), ひらめけ！算数ノート (math challenges), 朝Knock (morning news quizzes), and 500問耐久クイズ (500-question endurance events). The archive contains approximately 9,900 articles spanning from 2016 to 2026, supported by a distributed writer roster of quiz competition veterans and subject-matter experts. Distribution is multi-channel via Twitter/X, YouTube, and LINE Official Account alongside the web and iOS app.
The business model combines three revenue streams: Amazon Associates affiliate commissions on product links within articles, branded sponsored content and PR partnerships (with named sponsors including JERA, Ajinomoto, Casio, Suntory, and Sendai City), and potential iOS app monetization. The platform operates as a free, ad-and-sponsorship-supported media property with no disclosed subscription pricing. The company is headquartered in Shinagawa-ku, Tokyo, and serves primarily the Japanese market.
QuizKnock firmographics
Firmographics- Name
- QuizKnock
- Legal name
- 株式会社QuizKnock
- Website
- https://web.quizknock.com
- Company type
- Private
- Founded year
- 2016
- Operating status
- Operating
- Short description
- QuizKnock is a Japanese web media platform founded in 2016 that publishes quiz articles, puzzles, and educational entertainment content across 12 categories for intellectually curious Japanese consumers, monetized through Amazon affiliate links, branded sponsored content, and a companion iOS application.
- Ownership category
- akta.pro rank
QuizKnock industry classification
Industry- Product category
- Online Quiz and Trivia Media
- NAICS
- Web Search Portals and All Other Information Services (51929)
- SIC
- Services-Miscellaneous Amusement & Recreation (7990)
- akta.pro primary industry
- Assessment Item Banks, Question Authoring & Test Development Content (EDAGADAG)
- akta.pro secondary industries
- Quiz Bowl & Academic Team Competitions (EDAMAGAF), Math Enrichment Curriculum, Workbooks & Question Banks (EDAMAEAG)
Keywords
Where QuizKnock is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
QuizKnock business model
Business model- GTM type
- B2C
- Offering type
- Digital Commerce or Content
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Amazon Affiliate Revenue: The website participates in the Amazon Associates affiliate program, earning commissions from qualifying sales generated through affiliate links placed on articles.
- Sponsored Content and PR Partnerships: Articles sponsored by brands such as JERA, Ajinomoto, Casio (EX-word), Suntory, and others. These sponsored articles appear under the #PR tag and include branded quiz content, product features, and campaign collaborations.
- iOS App Revenue: The company operates a dedicated iOS application available on the App Store, which may generate revenue through app-related sales or enhanced features for subscribers.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
QuizKnock product offering
Product offeringCore offering
QuizKnock is a Japanese web media company that publishes free quiz articles, puzzles, and intellectual entertainment content across 12+ categories (puzzles, science, common sense, language, culture, sports, lifestyle, current news). The primary deliverables are the QuizKnock website at web.quizknock.com and a dedicated iOS mobile application, which together host ~9,900+ articles and recurring series such as Wadou Kaichin kanji puzzles, Hirameke Sansu Note math challenges, Morning Knock daily news quizzes, and the QuizKnock Certification Exam.
Product overview
QuizKnock is a web-based quiz and trivia media platform operated by baton inc. and QuizKnock Inc., offering a diverse portfolio of quiz content, puzzle series, and educational articles. The core offering consists of the web platform (web.quizknock.com) accessible via desktop and mobile browsers, supplemented by a dedicated iOS application for enhanced mobile viewing. The content portfolio includes regular daily features like 朝Knock (morning news quizzes) and 今日のパズル (daily puzzles), alongside recurring series such as ひらめけ！算数ノート (math challenges), QuizKnock雑談中 (chat discussions), and various kanji/word puzzle formats. The platform also organizes larger events including the 500問耐久クイズ (500-question endurance quiz) and seasonal projects like the 10th anniversary celebration. QuizKnock's content spans multiple categories including puzzles, columns, common sense, science, culture, social issues, sports, and current news, with over 9,900 articles in its archive. The platform maintains a presence across YouTube, Twitter/X, and LINE for content distribution and community engagement.
Differentiator
Problem solved
Functional benefit
Products and services
- QuizKnock Website (web.quizknock.com) Main web platform providing free access to quiz articles, puzzle series, and educational content across 12+ categories including puzzles, science, common sense, language, culture, sports, lifestyle, and current news. Designed for Japanese adult consumers seeking intellectual entertainment and knowledge enrichment.
- QuizKnock iOS App
Companies that use QuizKnock
Customer profileSegments2 records
Ideal customer profiles2 records
QuizKnock technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
QuizKnock partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- 仙台市 (Sendai City)minorSponsorship arrangement for the かしこすぎるお子様ランチ (Intelligent Kiddie Lunch) article series, where Sendai City sponsored content featuring regional attractions and cuisine.
Scale indicators2 records
Recent moves5 records
Expansion highlights4 records
QuizKnock competitors and assessment
Company assessmentDirect peers
- Bright Side: A digital media brand producing trivia, knowledge, and educational entertainment content across video and social platforms. Comparable to QuizKnock's content-led GTM, category breadth, and reliance on social/YouTube distribution.
- Curiosity.com: A discovery and short-form educational content platform covering science, history, and general knowledge. Comparable to QuizKnock's broad knowledge-category content and edutainment positioning, though delivered primarily through video.
- Kahoot: A leading quiz-based learning and engagement platform used in classrooms, training, and events. Comparable to QuizKnock's quiz-first content and assessment-driven format, though Kahoot operates a more enterprise/SaaS model with deeper gamification and B2B monetization.
- Trivia Crack: A mobile-first trivia quiz game across multiple categories. Comparable to QuizKnock's iOS quiz app and broad category trivia structure, with similar freemium monetization.
- Answers.com: A Q&A knowledge platform covering general knowledge, with category-based trivia. Comparable to QuizKnock's web-based knowledge publishing and category taxonomy, though primarily English-language and community-driven.
- Quizlet: A study and quiz platform offering user-generated flashcard sets, practice tests, and learning games. Overlaps with QuizKnock's knowledge-assessment focus and QuizKnock検定-style exam content, though Quizlet is global and emphasizes student-led study use cases.
- Brainly: A peer-to-peer learning community and Q&A platform with quiz and study features. Comparable in the quiz/assessment content and student/educator audience overlap with QuizKnock's secondary student segment.
- Sporcle: A long-running trivia/quiz website that publishes daily quizzes, puzzles, and intellectual entertainment across categories. Directly comparable to QuizKnock's web-based trivia publishing model and daily/recurring quiz format, though it operates primarily in English.
Regional players
- Naver Matome: A Japanese-language curated content aggregation platform (originally Japanese, now operated by Naver). Comparable to QuizKnock's content-led web publishing and category-based taxonomy, though focused on user-curated summaries rather than original quiz content.
Broad incumbents
- NHK (educational content division): Japan's public broadcaster with deep educational programming (NHK Eテレ) covering quiz, science, and language content. Comparable to QuizKnock's educational entertainment and trusted content positioning in the Japanese market, with a much broader media footprint and public funding.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
QuizKnock social profiles
Digital presenceQuizKnock financial estimates
Financial estimateRevenue estimate
Valuation estimate
QuizKnock leadership team
Management profileNumber of profiles
Profiles2 records
QuizKnock funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
QuizKnock M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about QuizKnock
What does QuizKnock do?
QuizKnock is a Japanese web media company that publishes free quiz articles, puzzles, and intellectual entertainment content across 12+ categories (puzzles, science, common sense, language, culture, sports, lifestyle, current news). The primary deliverables are the QuizKnock website at web.quizknock.com and a dedicated iOS mobile application, which together host ~9,900+ articles and recurring series such as Wadou Kaichin kanji puzzles, Hirameke Sansu Note math challenges, Morning Knock daily news quizzes, and the QuizKnock Certification Exam.
Is QuizKnock a public or private company?
QuizKnock is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was QuizKnock founded?
QuizKnock was founded in 2016.
Where is QuizKnock based?
QuizKnock is headquartered in Tokyo, Japan, in the Asia region.
How does QuizKnock make money?
Three revenue lines are on record. Amazon Affiliate Revenue is the primary driver. The others are sponsored Content and PR Partnerships and iOS App Revenue.
Who are QuizKnock's main competitors?
Direct peers on record are Bright Side, Curiosity.com, Kahoot, Trivia Crack, Answers.com, Quizlet, Brainly and Sporcle. Naver Matome is listed as a regional player. NHK (educational content division) is listed as a broad incumbent.
Does QuizKnock have an API?
No public API is recorded for QuizKnock.
What industry is QuizKnock in?
QuizKnock's product category is Online Quiz and Trivia Media. Its primary akta.pro industry code is EDAGADAG, Assessment Item Banks, Question Authoring & Test Development Content, with a secondary code of EDAMAGAF, Quiz Bowl & Academic Team Competitions. Its NAICS code is 51929 and its SIC code is 7990.