🚨 Most Important Notice
This service is a reference-only calculation and information tool.
All investment decisions must be made under your own judgment and responsibility. This app does not provide any investment advice.
📋 1. Service Definition
"KSTA Calculator" (hereinafter "the Service") is a free PWA (Progressive Web App) providing:
Real-time cryptocurrency price lookup
KRW / USD / coin conversion calculations
Profit and loss (P&L) calculations
Portfolio management tools
Voice command interface
AI assistant (optional, v76+)
5 AI extension features (v108 new)
🌐 1-1. Target Users & Jurisdiction (Important)
⚠️ This Service is NOT a financial service intended for residents of any specific country.
This Service is offered in five languages (Korean, English, Chinese, Japanese, Vietnamese), but this is solely for multilingual accessibility. It is NOT intended to provide investment advice, financial brokerage, or virtual asset trading services to residents of any specific country.
U.S. residents: This Service is not registered with the SEC, FINRA, or any state securities regulator and is NOT intended for U.S. residents seeking financial services.
EU/UK residents: This Service is not authorized under MiFID II, the FCA, or other EU financial regulations and is NOT intended for EU/UK residents seeking financial services.
Korean residents: The operator is not licensed as an investment advisor under the Korean Capital Market Act and is not registered as a Virtual Asset Service Provider (VASP) under the Virtual Asset User Protection Act.
Mainland China residents: Pursuant to PBOC and related regulations on virtual assets, this Service is NOT intended for residents of Mainland China. Hong Kong, Macao, and Taiwan are excluded from this restriction.
Japan residents: The operator is not registered as a Crypto Asset Exchange Service Provider with the FSA and does not provide virtual asset trading services to Japanese residents.
Vietnam residents: Under State Bank of Vietnam regulations, virtual assets are not legal tender. This Service is NOT intended for Vietnamese residents.
Use of this Service may be restricted under your jurisdiction's virtual asset laws, and all responsibility for such use lies solely with the user.
🔞 1-2. Age Restriction
This Service is intended for users aged 14 or older. An age verification step is required upon first use; users under 14 may not use this Service.
Under Korea's Information and Communications Network Act (Article 31), the EU GDPR, and similar laws in other jurisdictions, processing of minors' personal information may require parental or legal guardian consent.
⚠️ 2. No Investment Advice (Most Important)
🚨 This service is NOT investment advice, recommendation, brokerage, or discretionary management. We do NOT provide any kind of financial service.
The operator of this service is NOT a registered investment advisor, broker, or asset manager under any applicable financial regulations (including but not limited to the SEC, FCA, MiFID II, FSA, or Korea's Capital Market Act). We are also not a Virtual Asset Service Provider (VASP).
Price Information: Based on external APIs (Upbit, Binance, etc.); may have delays or errors. Prices may differ from actual trade execution prices.
AI Analysis / Predictions / Reports: Provided for general informational purposes only. We do NOT recommend buying, selling, or holding any specific asset. AI may confidently present incorrect information.
Chart Analysis, Portfolio Diagnosis: Simple statistical visualizations that cannot serve as a basis for investment decisions.
Alert Features: Technical tools that notify you when prices reach your set thresholds. They are NOT buy/sell signals.
Professional Consultation Recommended: Strongly consult licensed financial, securities, or tax professionals before any investment decision.
💸 Investment Risk Warning
Cryptocurrency investment involves extreme price volatility, total loss of principal, exchange bankruptcy, hacking, and regulatory changes. Any financial loss resulting from use of this service is the user's sole responsibility, and the operator bears no liability whatsoever.
By using this service, you are deemed to fully understand and agree to the above terms.
🤖 3. AI Feature Disclaimers (v76 ~ v108)
Special clauses for the AI features of this app (Anthropic Claude / OpenAI ChatGPT / Google Gemini integration):
3-1. Accuracy of AI Responses
All AI-generated content is probabilistic output from AI models and may differ from facts.
AI may not reflect the latest news or real-time events.
AI can confidently present incorrect information, so cross-verification is necessary.
3-2. AI Extension Features (v108)
The following features are all reference-only supporting tools:
📊 AI Chart Analysis: Analysis based on 24-hour history is a past pattern and does not guarantee the future.
📊 AI Portfolio Diagnosis: Scores and suggestions are general principles and may not fully reflect your individual situation.
🔮 AI Price Prediction (for fun): Explicitly labeled "for entertainment". No actual predictive capability.
📝 AI Voice Memo: Investment journal organization is a recording aid, not decision-making advice.
📋 AI Research Report: General information for educational purposes, not guaranteed to be up to date.
🎙️ 4. Voice Feature Notes
Voice recognition and synthesis use the browser's Web Speech API.
Voice data is processed on the device or may pass through the browser provider's services (Google, Apple, etc.).
Voice recognition accuracy varies by environment (noise, pronunciation).
We recommend not speaking sensitive personal information by voice.
🚫 5. Prohibited Uses
The following are strictly prohibited:
Using the service for illegal activities
Reverse engineering or unauthorized copying of the service
Placing excessive load on servers
Using AI for harmful activities such as fraud, manipulation, or phishing
Selling service results to others as if they were paid investment advice
💰 6. Costs
The service itself is completely free.
No ads. No paid subscriptions.
🛡️ 7. Service Availability
We aim for 24/7 availability, but interruptions may occur due to maintenance / issues.
External API (price, AI) outages may disable related features.
📡 7-1. External Price Data Sources & Usage Restrictions
Cryptocurrency prices displayed in this service are sourced from the following exchanges' public APIs:
Upbit Public API (api.upbit.com)
Binance Public Market Data API (data-api.binance.vision)
⚠️ User Notice
This service has no affiliation with the above exchanges; prices are for informational purposes only.
Actual trading prices on each exchange may differ from values shown. Always verify directly on the exchange before trading.
Price feeds may be discontinued without prior notice if exchange API terms change.
Users may NOT use price data from this service for redistribution, resale, automated trading bots, or other commercial purposes. Any such use is the user's sole responsibility.
Each exchange name and logo is the registered trademark of its respective company. This service claims no rights beyond data source attribution.
⚖️ 8. Limitation of Liability
The operator is not responsible for:
Losses from investment decisions made using this service
Results from AI response errors or inaccuracies
Delays, errors, or omissions in price information
Service interruptions, data loss
Device compatibility issues
Effects from changes in third-party services (APIs, browsers, OS)
⚖️ Legal Responsibility
All decisions and results from using this service are entirely the user's responsibility.
🔄 9. Terms Changes
These terms may be changed without prior notice when necessary.
Important changes will be announced within the app.
Continued use after changes constitutes acceptance.