Report updated May 22, 2026
怪博士 - 八大濾網幫你找好股、避風險
For taiwanese retail stock investors who lack the time for manual analysis and seek to replicate institutional or major shareholder investment strategies.
怪博士 - 八大濾網幫你找好股、避風險 is an established finance app that is free with in-app purchases.
What is 怪博士 - 八大濾網幫你找好股、避風險?
怪博士 is a stock screening app for the Taiwan market that filters 1,800 stocks based on institutional and fundamental data.
Users hire the app to replicate institutional investment strategies without the manual labor of reviewing individual stock filings, saving time on daily market analysis.
Current Momentum
v3.3 · 2mo ago
Maintenance- Updated core screening logic in March.
- Maintains focus on institutional data tracking.
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Filters 1,800 Taiwan stocks based on fundamental growth, institutional buying, and major shareholder activity.
Monitors buying patterns of company insiders and institutional research teams to identify potential growth trends.
How much does it cost?
- Free access to basic features
- Premium subscription required for advanced filters and institutional data
Monetization relies on a freemium model that gates high-value institutional and fundamental data behind a subscription to convert retail investors.
Who Built It?
CMoney
Providing retail investors with institutional-grade market data and technical analysis tools for the Taiwan stock market. Empowering users to monitor market trends and execute informed trading strategies through specialized mobile interfaces.
Portfolio
13
Apps
What other apps does CMoney make?
Explore the full CMoney report
Portfolio breakdown, audience, momentum, and every app published by CMoney.
What do users think recently?
Analysis in progress, available soon
What is the competitive landscape for 怪博士 - 八大濾網幫你找好股、避風險?
Where is it available?
Localized markets (1)
How's The Finance Market?
How does it evolve in the Finance market?
The app occupies a specialized niche in the Taiwan finance category, focusing on stock discovery rather than execution. The lack of public rating data suggests it currently relies on direct marketing rather than organic store discovery.
Rank progression
1 active ranking tracked — 30-day window
Which niche is 怪博士 - 八大濾網幫你找好股、避風險 in?
to screen and analyze potential stock investments
Explore the full Investing Dashboards niche
Every app in this space — 593 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Fidelity competes for the same retail investor demographic by providing comprehensive market data, watchlists, and execution capabilities that directly challenge the target's stock-picking utility.
Differentiators
- Offers full-service multi-asset trading and fractional share execution which the target app currently lacks.
- Provides institutional-grade research and crypto integration that creates a high barrier to entry for competitors.
- Leverages a massive, established user base and brand trust that significantly lowers customer acquisition costs.
Head to head
The target should avoid direct feature parity and instead double down on its niche expertise in local market sentiment and proprietary 'big player' data analysis.
Contenders(4)
This app competes for the user's financial wallet by offering digital wealth advisory and loan products that overlap with the target's goal of managing personal investment growth.
Differentiators
- Integrates banking services like time deposits and loans directly into the wealth management user experience.
- Provides a comprehensive digital banking license that allows for seamless movement between savings and investments.
Finbox directly mirrors the target's value proposition by using AI-driven algorithms to process large-scale market data for stock selection.
Differentiators
- Utilizes advanced AI market analysis to provide automated signals that reduce manual research time for users.
- Focuses on high-speed data processing to identify trends faster than traditional manual filtering methods.
This app competes by providing specialized profitability and market intelligence tools that assist users in making data-backed investment decisions.
Differentiators
- Features a dedicated profitability optimizer tool that helps users calculate potential returns before executing trades.
- Provides specialized industry-specific market data dashboards that offer deeper context than general stock screeners.
This app competes for the user's attention within the finance category by managing financial accounts and funding, impacting overall investment liquidity.
Differentiators
- Focuses on administrative account management and HSA funding rather than active stock market speculation.
- Provides specialized card administration features that are not relevant to the target's stock-picking audience.
Same space(3)
This app occupies the same finance category, focusing on transaction processing and payment terminal integration for financial management.
Differentiators
- Enables tap-to-pay functionality on mobile devices which is irrelevant to the target's stock analysis use case.
- Focuses on merchant-side disbursement and payment collection rather than consumer-side investment research.
This app serves as a utility tool for investors who need to track global currency fluctuations while managing their portfolios.
Differentiators
- Provides real-time currency conversion widgets that are essential for investors tracking international market exposure.
- Includes an offline mode that allows users to check rates without a constant internet connection.
This app provides specific trading calculators that assist users in the same decision-making phase as the target app's users.
Differentiators
- Offers a dedicated trading risk calculator that helps users manage position sizing and potential losses.
- Provides a simple long/short toggle for quick profit projections that the target app lacks.
Compare 怪博士 - 八大濾網幫你找好股、避風險 against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for 怪博士 - 八大濾網幫你找好股、避風險
Strengths to defend, gaps to attack
Core Strengths
- Proprietary 'big player' movement tracking provides a clear local market differentiator
- Simplified UX tailored specifically for local retail stock-picking workflows
Critical Frictions
- No direct trading or brokerage integration forces users to switch apps to execute
- Zero rating count on iOS suggests low organic discovery or conversion
Growth Levers
- Education partnerships for B2B distribution into local investment clubs
- Integration of portfolio-math calculators to reduce user switching to utility apps
Market Threats
- AI-driven research tools like Finbox reducing the manual research time advantage
- Established brokerage apps adding 'big player' tracking features to their existing platforms
What are the next best moves?
Integrate basic position-sizing calculators because users switch to utility apps for this math → increase session duration
Competitors like Share Market Calculator are gaining traction by providing essential trading math tools.
Trade-off: Pause the development of new fundamental filters — the current filter set is sufficient for the core user base.
A counter-intuitive read
The app's lack of a brokerage license is a strength, not a weakness, as it avoids the regulatory and security overhead that prevents rivals from focusing on pure research.
Feature Gaps vs Competitors
- Direct trading execution (available in Fidelity but absent here)
- Position-sizing and risk calculators (available in Share Market Calculator but absent here)
Key Takeaways
The app provides high-value local market insights, but the lack of execution integration forces users to exit the app to trade, so the PM should prioritize adding in-app utility tools to keep users within the session.
Where Is It Heading?
Stable
The market for retail stock research is consolidating around tools that provide both discovery and execution. The app remains stable in its current research-only niche, but it must integrate utility tools to prevent user attrition to broader financial platforms.
The latest release focused on stability, indicating the team is currently prioritizing maintenance over aggressive feature expansion.
The absence of user ratings on the platform limits social proof, which hinders new user acquisition and trust-building.