Reading and annotation stay free
PDF import, document editing, annotation, and subject organization are included in the basic workspace.
AI Credits
Write for free. Add AI when it helps.
Read, annotate, and organize for free. Credits are used only when server AI works on your documents, lectures, sheets, or cards.
Easier starting points
These examples are here to help you choose a plan. Actual Credit use can vary with input length, reference scope, output length, and generated file size.
Free
Trial
AI Credits100
Try the workspace first
Representative use
Light document AI testing
Join betaAI Plus
₩12,900 / month
AI Credits5,000
For students organizing materials every week
Representative use
About 500 short document questions, 100-200 review-card sets, or regular study-sheet generation
Join betaBoost 5K
₩19,900
AI Credits5,000
Extra room during exams
Representative use
Extra room during exams
Join betaAll monthly plans
Document AI, lecture summaries, study sheets, review cards, and generated files use Credits when server AI is needed.
Free
Trial
AI Credits100
Light document AI testing
Join betaAI Lite
₩5,900 / month
AI Credits2,000
About 200 short document questions, 40-80 review-card sets, or a handful of compact study sheets
Join betaAI Plus
₩12,900 / month
AI Credits5,000
About 500 short document questions, 100-200 review-card sets, or regular study-sheet generation
Join betaAI Pro
₩24,900 / month
AI Credits10,000
About 1,000 short document questions, 200-400 review-card sets, or heavier exam-season study sheets
Join betaAI Max
₩49,900 / month
AI Credits20,000
About 2,000 short document questions, 400-800 review-card sets, or frequent image/file generation
Join betaBoosts when you need more
During exam periods, add only the extra Credits you need apart from the monthly plan.
Boost 1K
₩4,9001,000 AI Credits
For a heavier dayBoost 5K
₩19,9005,000 AI Credits
Extra room during examsBoost 12K
₩39,90012,000 AI Credits
For large material batchesMonthly plan comparison
These examples are here to help you choose a plan. Actual Credit use can vary with input length, reference scope, output length, and generated file size.
| Plan | Free | AI Lite | AI Plus | AI Pro | AI Max |
|---|---|---|---|---|---|
| Monthly price | Start free | ₩5,900 | ₩12,900 | ₩24,900 | ₩49,900 |
| Monthly included usage | 100 starter | 2,000 | 5,000 | 10,000 | 20,000 |
| Reading and notes | Included | Included | Included | Included | Included |
| PDF import | Included | Included | Included | Included | Included |
| Document AI | Starter | Light use | Recommended | Heavy use | Very heavy use |
| Study sheets | Limited | Small batches | Regular | Exam season | Frequent |
| Review cards | Limited | 40-80 sets | 100-200 sets | 200-400 sets | 400-800 sets |
| Best for | Trying it first | Light questions | Weekly study | Exam focus | Heavy use |
Boost comparison
| Boost | Price | AI Credits | Best for |
|---|---|---|---|
| Boost 1K | ₩4,900 | 1,000 | For a heavier day |
| Boost 5K | ₩19,900 | 5,000 | Extra room during exams |
| Boost 12K | ₩39,900 | 12,000 | For large material batches |
Beta
Open the free workspace first. Add AI when you need it.
Bring in a PDF, mark it up, ask when you are stuck, and turn it into review before the exam.