What Interest does

Interest (이자, operating as Ezar) is a Seoul-based, Korean stock company (주식회사 이자, business registration 346-87-02318) founded in 2022 by representative director Shin Jun (신준), with offices in O2 Tower, Yeongdeungpo-gu. The company operates an ETF information and analysis platform targeted at Korean retail investors, covering 920 Korean ETF listings and providing real-time analysis, comparative rankings across returns, dividend yields, expenses, and market capitalization, dividend schedules, USD/KRW exchange rate information, and Bitcoin-related content. The product is delivered through a self-serve model via a mobile application and a brand website, with supporting distribution and community channels on YouTube, X (Twitter), Threads, and a community forum.

The underlying platform is a data-aggregation and presentation layer over public Korean ETF disclosures, organized into ranking and comparison views rather than disclosed as a proprietary analytics or AI engine. Revenue mechanics are not publicly disclosed; pricing is opaque and the company has not published named enterprise customers, partnership logos, patents, or awards in the input material, suggesting a consumer-led, long-tail acquisition model rather than B2B distribution. The company was accepted into Korea's TIPS (Tech Incubator Program for Startups) in July 2022, providing non-dilutive government-backed support and early-stage institutional validation.

Strategic posture is product-led and retail-focused: build broad ETF coverage, expand into adjacent retail-investor information (FX, crypto), and grow organic audience through social and community channels. Key strategic gaps visible in the data are the absence of disclosed monetization mechanics, undisclosed headcount, and no evidence of proprietary AI/ML capability, all of which constrain a fuller investment-grade assessment.

Name

Interest

Legal name

주식회사 이자

Website

https://ezar.co.kr

Company type

Private

Founded year

2022

Operating status

Operating

Short description

Interest (이자/Ezar) is a Seoul-based Korean company that operates a self-serve mobile and web platform providing Korean retail investors with data, rankings, and analysis on 920 ETFs plus related FX and crypto information.

Ownership category

akta.pro rank

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

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

Revenue model

1. ETF Platform Services: Revenue model not explicitly disclosed. Platform provides ETF analysis, rankings, and dividend information for Korean ETF investors through app and website.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Interest (이자) operates Ezar, a Korean ETF information and analysis platform that aggregates data on 920 Korean-listed ETFs. The platform provides ETF classification by theme and sector, real-time ranking by returns, dividend yield, expense ratio, and market capitalization, dividend schedules, and USD/KRW exchange rate data for individual Korean ETF investors. Distribution is digital, via mobile app and brand website, on a self-serve basis.

Product overview

이자(Ezar)는 한국의 ETF 정보 플랫폼으로, 단일 제품(core product)으로서 ETF 투자자를 위한 종합 정보를 제공한다. ETF 테마별/섹터별 분류 조회, 배당 스케줄 및 최종손익 랭킹, 실시간 등락률/배당률/운용보수/시가총액 랭킹, 비트코인 등 콘텐츠 정보를 포함하며, 920종목의 ETF 실시간 분석을 지원한다.

Differentiator

Problem solved

Functional benefit

Products and services

• Ezar (이자) — Korean ETF Information & Analysis Platform A Korean ETF information and analysis platform that provides ETF classification by theme and sector, real-time ranking by returns, dividend yield, expense ratio, and market capitalization, dividend schedules, market data, and USD/KRW exchange rate information for individual Korean ETF investors. Distributed as a mobile app and website.

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators1 record

Recent moves4 records

Expansion highlights4 records

Direct peers

• Seeking Alpha: Crowd-sourced investment analysis platform with ranking systems and dividend information—directly comparable business model of providing retail-investor-focused investment analysis and rankings.
• Yahoo Finance: One of the world's largest financial information platforms, providing ETF analysis, rankings, and market data to retail investors globally—same product category as Interest but at massive scale.
• Stockplus (주식플러스): Korean investment community and information platform providing stock and ETF data, news, and analysis to Korean retail investors—directly comparable in product offering, target audience, and self-serve distribution model.
• TipRanks: Investment research and analytics platform providing ranking systems and analysis tools for retail investors—parallel product offering to Interest's ETF ranking and analysis platform.
• Investing.com: Global financial information platform offering real-time market data, analysis, and rankings across multiple asset classes including ETFs—mirrors Interest's information-aggregation model and ranking-based product structure.

Broad incumbents

• Morningstar: Global investment research firm providing in-depth ETF analysis, ratings, and data—broadly comparable to Interest's focus on ETF analysis and rankings, though serving more institutional and premium retail clients.
• Naver Finance: Korea's largest financial information portal, providing free ETF data, news, rankings, and analysis to Korean retail investors—directly addressing the same informational needs as Interest's Ezar platform.
• Kakao Finance: Kakao's financial services arm providing investment information, brokerage, and portfolio tools to Korean retail investors through the KakaoTalk ecosystem—a major incumbent with overlapping ETF information features.
• FnGuide: Major Korean financial data and analytics provider offering comprehensive ETF and fund data to both institutional and retail investors across the Korean market—an established incumbent in the same data/research category.
• Toss: Korea's leading super app with deep investment features including ETF information, portfolio tracking, and brokerage integration. Much broader product portfolio but overlapping Korean retail investor audience and ETF information use case.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• YouTubeyoutube.com/@ezar
• Xx.com/Ezar_official

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors1 record

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 Interest