Simple pricing.
Free to start. One STA Pro plan unlocks every tab.
Prices in KRW (₩). Conversion: ₩9,900 ≈ US $7.99 / €7.20 / ¥1,100 / £6.20. Korea via Toss, global via Stripe, mobile in-app via App Store / Play Store.
Free tier that actually works.
Forever-free within these limits. Upgrade to STA Pro only when you hit one.
📅
100 events
📝
100 memos
✅
100 tasks
✉️
2 mail accounts
✨
10 AI calls/month
STA Pro.
Every tab unlocked
₩9,900/mo
Free to start → upgrade when you hit the limit. 7-day free trial.
✓Every tab unlocked — calendar, mail, memo, tasks
✓AI assist — event extraction, reply drafts, memo summaries
✓Multiple mail accounts + two-way calendar sync (Google · iCloud · IMAP)
✓Instant translation — inbound mail and memos
✓Apple Watch · Samsung Now Bar · Live Activity
✓Unlimited cross-tab automation — mail → event → task
STA Team.
Per-seat · collaboration included
₩14,900 per account / mo · min 3 seats
✓Every STA Pro feature + team permissions
✓Shared calendars · memo rooms · team task boards
✓Role-based access (admin · member · guest)
✓Audit log · domain SSO
Seats3₩44,700/mo
Stats Pro.
Web survey SaaS
₩12,900 /mo
✓Unlimited responses — Basic limit removed
✓Higher AI limits — more generation and translation
✓Logic and branching — advanced survey flows
✓Team collaboration — invite members and co-edit
Start Stats ProStats is a separate web SaaS — sign up and pay at stats.sta-suite.com (in-app purchases not supported on mobile). Same STA account.
7-day free trial on every paid plan. External checkout links are hidden inside the mobile apps (app-store policy).
Limit comparison.
Free to Team — what each tab unlocks.
| Free | STA Pro | STA Team | |
|---|---|---|---|
| Calendar tab | |||
| Events | 30 | Unlimited | Unlimited |
| AI event extraction (/mo) | 5 | 500 | 500 / seat |
| Memo tab | |||
| Memos | 100 | Unlimited | Unlimited |
| Storage | 1 GB | 10 GB | 10 GB / seat |
| Mail tab | |||
| Mail accounts | 1 | Unlimited | Unlimited |
| AI replies (/mo) | 10 | 2,000 | 2,000 / seat |
| Tasks tab | |||
| Projects | 1 | Unlimited | Unlimited |
| Active tasks | 20 | Unlimited | Unlimited |
| Cross-tab · collaboration | |||
| Cross-tab automation | — | Unlimited | Unlimited |
| Shared members | 1 | 5 | Unlimited |