By Shaowen Lu
Report updated Jun 19, 2026
美股記帳本
For taiwanese investors who manage both local sub-brokerage accounts and international US stock brokerages.
美股記帳本 is an established finance app that is free with in-app purchases.
What is 美股記帳本?
美股記帳本是一款專為台灣投資者設計的投資組合管理應用，支援多帳戶追蹤與成本基礎計算。
投資者需要一個能處理台灣複委託與外國券商複雜稅務計算的工具，以精確掌握投資績效並確保財務隱私。
Current Momentum
v1.0 · 2w ago
Maintenance- Maintains niche focus on Taiwanese investors.
- Ships consistent updates for cost tracking.
What makes this app unique?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Supports tracking of multiple investment accounts including foreign brokers and Taiwan-based sub-brokerage accounts.
Calculates investment performance using weighted average or batch identification methods.
Automated data backup and sync across iOS devices using personal iCloud storage.
How much does it cost?
- Free tier limited to 2 accounts and 10 stocks with ads
- Premium tier at NT$100/month or NT$990/year
Strict quantity caps on the free tier force conversion for serious investors managing multiple portfolios.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Shaowen Lu make?
What do users think recently?
Analysis in progress, available soon
What is the competitive landscape for 美股記帳本?
How's The Finance Market?
How does it evolve in the Finance market?
美股記帳本在台灣財務類別中佔據 #57 Grossing 的位置，顯示其在利基市場中已具備初步的付費轉換能力。儘管其功能深度優於通用型投資工具，但缺乏自動化數據同步功能，導致其在與擁有銀行 API 整合的競爭對手相比時，用戶獲取成本與留存壓力較大。
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇹🇼 Taiwan | Finance | iOSGrossing | #39 | ▲5 |
The rivals identified
The Nemesis
Head to Head
The target should double down on its 'privacy-first' niche for serious investors while exploring automated import features to reduce manual entry friction.
What sets 美股記帳本 apart
Offers superior privacy by keeping all financial data local and within the user's personal iCloud account.
Provides specialized, granular tracking for US stock market cost-basis and dividend records for Taiwanese investors.
What's MaxRewards Credit Card Rewards's Edge
Leverages massive scale and automated bank connectivity to reduce user friction in data entry.
Delivers proactive financial recommendations that drive user engagement beyond simple historical performance tracking.
Contenders
Utilizes camera-based scanning for rapid inventory entry, significantly outperforming the target's manual entry workflow.
Provides automated price alerts for specific assets, creating a more proactive user experience than the target.
Specializes in tracking physical commodity assets, which requires different valuation logic than equity-based stock portfolios.
Lacks the complex cost-basis and dividend tracking features essential for the target's stock market investor audience.
Includes CSV export functionality, allowing users more flexibility in moving data to external spreadsheet software.
Offers custom alerts for price movements, a feature the target currently lacks in its core feature set.
Focuses strictly on health-related tax-advantaged accounts, lacking the investment-specific performance analytics found in the target.
Provides direct claim submission workflows, a feature irrelevant to the target's stock-focused investment tracking use case.
Peers
Includes a profitability optimizer tool tailored for agricultural business, distinct from the target's general stock focus.
Provides proprietary market intelligence, creating a data-driven moat that is highly specific to the agricultural sector.
Acts as a content and event platform, whereas the target is a purely functional personal finance tool.
Provides access to expert insights, creating a community-driven moat that the target currently lacks.
Integrates TradingView ticker data for immediate market context, which the target app does not currently provide.
Designed as a single-purpose calculator tool rather than a comprehensive portfolio management system.
Offers offline mode and multi-platform widgets, prioritizing accessibility over the target's deep financial data analysis.
Focuses exclusively on real-time exchange rates rather than long-term investment performance or cost-basis tracking.
New Kids on the Block
Features a 'Freedom Ratio' dashboard that shifts the focus from stock performance to long-term lifestyle sustainability.
Offers specialized position sizing and options calculators that provide immediate tactical value for active traders.
The outtake for 美股記帳本
Strengths to defend, gaps to attack
Core Strengths
- Privacy-first architecture keeps sensitive financial data strictly within user-controlled iCloud storage.
- Granular cost-basis tracking for US stocks meets specific tax-reporting needs of Taiwanese investors.
Critical Frictions
- Manual data entry requirement creates high friction for active traders.
- Free tier limits (2 accounts, 10 stocks) may discourage early-stage users.
Growth Levers
- Develop automated import scripts for common Taiwanese sub-brokerage statement formats.
- Integrate wearable widgets for quick portfolio performance checks.
Market Threats
- Competitors with direct banking API integrations offer a lower-friction experience.
- Rapid feature cadence from generalist finance apps threatens to commoditize basic portfolio tracking.
What are the next best moves?
Develop automated import scripts for common Taiwanese sub-brokerage statements because manual entry is the #1 friction point → increase user retention.
Manual entry is the primary competitive disadvantage against API-integrated rivals like MaxRewards.
Trade-off: Deprioritize the development of new visual reporting charts — data entry automation is a higher-leverage retention driver.
A counter-intuitive read
美股記帳本的隱私優先架構不僅是功能，更是其在台灣市場對抗大型金融機構數據監控的唯一護城河，這比單純追求自動化 API 連結更具長期留存價值。
Feature Gaps vs Competitors
- Automated bank/brokerage API connectivity (available in MaxRewards but absent here)
- CSV export functionality (available in StockMate but absent here)
- Camera-based inventory scanning (available in EchoMTG but absent here)
Key Takeaways
美股記帳本憑藉隱私優先的架構贏得專業投資者信任，但因缺乏自動化數據導入而面臨高流失風險，因此應優先開發券商對帳單匯入功能以降低用戶維護成本。
Where Is It Heading?
Stable
財務工具市場正加速向自動化與 API 整合靠攏，這對美股記帳本的純手動輸入模式構成結構性威脅。除非能透過自動化對帳單匯入來降低用戶維護門檻，否則其用戶基數將難以突破利基市場的上限。
The app maintains a steady niche in the Taiwanese market, but the lack of automated data entry limits its growth potential.
Competitors with API-driven automation are rapidly eroding the value proposition of manual ledger apps, which will likely increase churn pressure.