Frequently asked questions.

Start free. STA Pro (₩9,900/mo ≈ $7.99) unlocks every tab. Team (₩14,900/seat, 3-seat minimum) adds shared rooms · roles · audit log. Stats Pro is a separate web SaaS (₩12,900/mo). See /pricing for the full comparison.

Korean customers: TossPayments (cards, bank transfer, mobile pay). International: Stripe (cards, Apple Pay, Google Pay). Mobile in-app: Apple App Store / Google Play.

Per Korean e-commerce law, refund is available within 7 days of payment if usage is minimal. iOS/Android in-app purchases follow each store policy. Service outages caused by us are refunded prorated.

Yes. Enter your business info at checkout and you receive both the TossPayments receipt and a monthly electronic tax invoice (linked to Korea NTS). Email support@sta-suite.com for back-issued invoices.

All paid plans include a 7-day free trial. If you don't cancel at least 24 hours before it ends, it auto-renews as a paid subscription.

Type natural language like "meeting tomorrow at 3pm" — the calendar tab creates the event. Two-way sync with Google Calendar and iCloud, so keep using your existing calendar.

iOS, Android, macOS, Windows — the same app on every platform. Infinite canvas plus chat-style notes are the core — throw thoughts in fast, organize later.

Yes — Gmail OAuth, Outlook OAuth, iCloud (app password), and generic IMAP/SMTP. Most corporate mail servers connect via IMAP settings.

Stats is a web SaaS at stats.sta-suite.com — best on PC/tablet, but it works in mobile browsers too. Add it to your home screen on iOS or install the Play Store TWA on Android.

Yes — one account signs you into STA (calendar, mail, memo, tasks in one app) and Stats (web surveys). STA Pro and Stats Pro are billed separately because Stats is a standalone web SaaS.

Inside STA: mail → event with one tap, memo → task, event → meeting notes. Stats survey deadlines automatically appear on the STA calendar tab, and Stats responses can archive themselves as memos.

Lightweight sharing without a Team plan — find free time with friends, share one memo room free, etc.

Sign up with email + password, or with Google / Apple sign-in. Users under 14 need verified consent from a legal guardian.

Yes — Settings → Security → Two-factor authentication, using any TOTP app (Google Authenticator, 1Password, Authy, etc.).

In-app: Settings → Account → Delete account. On web: /account/delete. Deletion is irreversible and backups are purged within 30 days.

Yes — memos as Markdown/JSON, events as iCal, mail as EML, Stats survey responses as CSV/Excel.

iOS 15+, Android 10+, macOS 13+, Windows 10+, and any modern browser on the web. Stats is web-first and runs in mobile browsers too.

Yes — STA ships for macOS and Windows alongside iOS and Android, all from one codebase. Same app, same account.

STA supports Apple Watch Live Activity and Samsung Galaxy Watch widgets — your next event counts down right on your wrist.

iOS: Settings → Notifications → STA app — allow notifications and lock-screen display. Android: Settings → Apps → STA → Notifications, and disable battery optimization for STA.

1) Check network connection. 2) Force-quit and reopen the app. 3) Sign out and back in from Settings → Account. Still stuck? Open a ticket with your app + OS version.

Check your card limits and any "foreign transaction" blocks. Both Toss and Stripe trigger OTP authentication, so watch your SMS / app alerts. Send us your receipt via the support bubble and we will look immediately.

Use the chat bubble in the corner or visit /support and pick the "Bug report" category. Include repro steps, screenshots, and OS version for the fastest fix.