Tap the ๐ฌ button at the bottom-right to open a persistent chat window with KSTA AI. Unlike voice, it's a type-based Q&A interface.
Example uses
"What is KSTA?" โ project basics
"How do I use the avg-price tab?" โ app usage
"What's Kimchi premium?" โ crypto term explanations
"What's bitcoin's price?" โ live price lookup
โน๏ธ Difference from Voice AI
Voice AI lets you speak and hear answers; the chat widget lets you type for more detailed conversations. Pick whichever fits the moment.
โ ๏ธ Reference only
Answers from the chat widget are not investment advice and may contain errors or inaccuracies. Always verify important information with official sources.
๐ฐ 8. KSTA Announcements new in v135
A ๐ฐ KSTA Announcements feed sits at the bottom of the main screen. Announcements, events, and updates posted by the operator arrive in real time.
Announcement types
Notice: service guidance / feature updates
Event: ongoing event details
News: related news / industry trends
Alert: security / safety notices
๐ก๏ธ Safe announcement system
Every announcement carries an auto-attached disclaimer noting it is not investment advice, and harmful / solicitation language is automatically detected before posting.
Tap an announcement to follow its link; image-attached announcements display the image inline.
๐ 8-1. Market Dashboard new in v146+
New market info cards on the main screen.
โญ Favorite Coins
Pin up to 6 coins of interest for quick access in one card.
Tap the gear in "โญ My Favorites" and pick from 8 coins
Pinned coins always appear at the top of the main screen
Stored on your device only; not shared with anyone
๐ค AI Market Analysis (auto card)
A market-data summary card that auto-refreshes hourly on the hour.
AI summarizes major coin prices, change %, Kimchi premium, fear & greed index
Top of the card always shows the "โ ๏ธ Data summary only, not investment advice" disclaimer banner
Buy / sell / recommend / signal / target-price wording is automatically blocked
Generated automatically without separate human review by the operator
โ ๏ธ Important
AI market analysis is not investment advice under the Korean Financial Investment Services and Capital Markets Act, nor virtual-asset trading advice under the Virtual Asset User Protection Act. It is informational only โ all investment decisions are your own responsibility.
๐ Cross-Exchange Price Comparison
Compare BTC / ETH / XRP / SOL / DOGE / TRX prices across 5 exchanges (Upbit / Binance / Bybit / OKX / LBank) at a glance.
๐ฐ Ad / affiliate notice
The LBank trade button (Trade โ) is an ad / affiliate link (referral code 3A1U7). If you sign up or trade through it, the operator may receive a commission from LBank. This does not add any cost for you, and you can register directly with the exchange without using the affiliate link.
๐ฅ 24-Hour Price Change Heatmap
Six major coins shown across 6 four-hour slots, with color intensity indicating change. Auto-refreshes every 10 minutes while expanded.
๐ฐ External Crypto News
Latest news from major Korean / English outlets (CoinDesk Korea, Token Post, CoinDesk, Decrypt), auto-collected every 6 hours. Tap a headline to open the source.
๐ Morning Briefing (voice push) v146+
At your chosen daily time, receive a push notification with KSTA / BTC / ETH / XRP prices + average Kimchi premium + market mood.
Setup: Settings โ ๐ Morning Briefing โ set time โ save
Works even when the app is closed (requires push permission)
Tap the notification and it reads aloud automatically
๐ Nighttime delivery note (Korean Information & Communications Network Act ยง50-2)
Setting the Morning Briefing to a time between 9 PM and 8 AM requires separate consent for nighttime promotional information. A consent dialog appears; declining means the time cannot be set.
๐ผ 9. Portfolio
Add an asset
Portfolio tab โ + button
Choose coin
Enter quantity held
Enter average buy price (USD)
Save
Live valuation
Total valuation (KRW)
Total return %
Allocation per coin (pie chart)
AI diagnosis available
โน๏ธ Data storage
Portfolio data is stored only in your device's localStorage. No server transmission.
๐ 10. Alert Settings
Price-spike alerts (โฅ5%)
Auto-alert when a watched coin moves 5% or more.
Target price alerts v97
"alert me when bitcoin hits 110 million won""set ethereum target at 4 million won"
Daily briefing
Receive a market summary at your chosen daily time.
๐ 11. Push Notifications (background) new in v117+
Even when the app is closed or you're using other apps, you can receive push notifications on big price moves.
How to enable
Tap ๐ Allow Notifications in the price alert area
Choose "Allow" on the browser's permission prompt
Settings โ Notifications โ turn on "Background price check"
Notification types
๐จ Spike alerts: auto-detected โฅ5% moves
๐ฏ Target hit alerts: when the set price is touched
๐ข In-app announcements: when important notices are posted (optional)
โน๏ธ Technical note
Push relies on Service Worker Periodic Background Sync (Chrome 80+). iOS Safari has limited background behavior. Adding to the home screen (PWA install) provides the most stable operation.
โ ๏ธ Battery impact
Background checks are managed efficiently by the browser, but are not fully real-time (minimum 12-hour intervals or more). For instant alerts, use the exchange's own app.
โ 12. First-Time Consent strengthened in v127+
When you first use the service, you need to confirm two checkboxes:
Age 14 or older: This service is for users aged 14+.
Acknowledge "not investment advice": Please agree that this service is not investment-advisory business under the Korean Financial Investment Services and Capital Markets Act, but merely a reference tool.
Both items must be checked before the "Agree and Start" button activates. Your consent is stored on the device only and won't be asked again on next visit.
โน๏ธ Language switch
You can switch languages right inside the consent modal, so you can review and agree in your native language.
๐ฌ 13. Contact Admin new in v131
For bug reports, feature suggestions, or general questions, use Settings โ ๐ฌ Contact Admin to send directly.
What you can include
Bugs / errors you found
Feature suggestions
Feedback on announcements
Other suggestions
If you'd like a reply, please leave your email. Anonymous submissions are also welcome.
๐ง Direct contact
For urgent matters, you can email topjoa@gmail.com directly.
๐ฃ๏ธ 14. Voice Options
๐๏ธ Voice selection v107
Settings โ Voice Selection opens an internal panel:
Current language tab: voices for your current language only
โญ Neural tab: high-quality AI voices only
All tab: every language, every voice
๐ button for preview
โ โ gender icons
๐ฏ๐ต Japanese tone v100
Polite (ใงใ) / casual (ใ ใ) selectable
๐จ๐ณ Chinese script v100
Simplified (็ฎไฝ) / Traditional (็น้ซ) selectable (for Taiwan / Hong Kong users)
Emotion / tone reflection
Excited tone on spikes, calm tone on drops
โฟ 15. Accessibility Modes
๐ฆป Hearing-impaired mode
Replaces voice with large visual banners.
๐ด Senior mode
Text size +20%
Voice speed -20%
Larger buttons
Conversational mode
After you speak once, AI re-listens automatically for continuous conversation.
๐ 16. Multi-Language Support
Fully supported in 5 languages:
๐ฐ๐ท ํ๊ตญ์ด (default)
๐บ๐ธ English
๐จ๐ณ ไธญๆ (Simplified / Traditional selectable)
๐ฏ๐ต ๆฅๆฌ่ช (Polite / Casual selectable)
๐ป๐ณ Tiแบฟng Viแปt
Auto language detection v103
Set automatically to match your device language. Unsupported languages (French, German, etc.) fall back to English.
๐ Search
Use the search box at the top of Settings to quickly find what you need.
โ 18. Frequently Asked Questions
Q. Which coins are supported?
BTC, ETH, KSTA, XRP, LOUI โ 5 coins by default, with more to be added. When the admin adds a new coin, it appears for everyone automatically.
Q. Is KSTA Calculator affiliated with the KSTA token operator?
No affiliation at all. This service is an independent free tool that displays public market information of coins listed on external exchanges (LBank), such as KSTA and LOUI. There is no partnership, cooperation, or relationship of any kind with the token issuer or operator.
Q. Can I use it for investment purposes?
Per the terms, the KSTA Calculator cannot be used as a basis for investment, and is not for investment advice or counsel. Please review the Terms of Service, Privacy Policy, and this guide; if you do not agree, please refrain from using the service.
Q. Voice recognition doesn't work
Use the latest Chrome / Safari. Check mic permission. Works only on HTTPS.
Q. AI isn't responding
Confirm the admin has enabled AI settings. AI is available only in admin shared mode.
Q. Are the prices real-time?
Yes โ KSTA, LOUI, BTC, ETH, XRP, SOL, DOGE, TRX (8 coins) are updated via a direct connection to the LBank exchange API with dual 3s / 4s pollers, refreshing on average every ~1.7 seconds (v141). Cross-exchange comparison prices (Upbit, Binance, etc.) are also collected in the background.
Q. Where is my data stored?
In your device's localStorage only. Nothing is sent to a server.
Q. How do I install the app?
It's a PWA. iOS: Share โ Add to Home Screen. Android: menu โ Install app.
Q. Does using AI features cost me anything?
AI features are provided in admin-shared mode at the admin's cost. No charge to users.
Q. My portfolio data disappeared
Clearing browser data deletes it. Please back up important data separately.
Q. How do I get in touch?
In-app Settings โ ๐ฌ Contact Admin lets you send feedback / bug reports / suggestions directly. Include your email if you'd like a reply. Direct mail: topjoa@gmail.com
Q. What's the difference between AI chat and Voice AI?
The AI Chat Widget (๐ฌ bottom-right) is a persistent text-based chat, while Voice AI (mic ๐๏ธ) is a hands-free voice interaction. Use whichever fits your situation.
Q. Who posts the announcements?
The KSTA Calculator operator posts them. Before posting, investment-solicitation wording is automatically verified, and a "not investment advice" disclaimer is automatically added (v135 safe-announcement system).
Q. Background push doesn't arrive
Check the following: (1) browser notification permission allowed, (2) PWA installed to home screen, (3) Settings โ Notifications โ Background check enabled, (4) device not in battery-saver mode. iOS Safari has limited background operation.