Expert-designed Spine
Goals, Milestones, prerequisites, and evidence criteria are designed with Korean-language education standards.
Core Korean learning serviceCore service in development
Tago
Learn one thing. See what comes next.
An expert Spine, performance evidence, reviewed Branches, and Echoes connect Today to Trail as one system.
Learn moreiOS · Early Access planned
Core service in development
Today · Main Mission
1 / 3
About 5 min
Share what you like and why
Talk with Hono about films and music.
Start conversationBranch
TagoTago · BranchEcho · D3
EchoOne Main Mission is enough for today's core.
Core Korean learning service
It does more than show a path. It makes learning happen.
For Korean learners who want to know where to start, where a lesson leads, and what they can actually do now.
Learner-led TagoTago
Open two or three links at once, then keep following reviewed connections until you choose to stop.
Proof with less support
Performance in a new scene changes support and the timing of the next Echo.
Hook → Agency → Insight → Performance → Consequence → Proof
Proof with less support
In a Learning Session, your expression changes what a character understands and says next.
- 01→
Today
Start with the single most meaningful Main Mission.
- 02→
Scene
See and hear the people and situation before acting.
- 03→
Performance
Select, rebuild, recall, or express at the right support level.
- 04→
Trail
Record only the change that was actually observed.
- 05
Branch & Echo
Follow a connection now and meet the language again in a new context later.
Supported → Independent → Recalled
Expert-designed Spine
Trail records reduced support and the next Milestone, not a decorative completion count.
Expert-designed Spine
Today presents one clear Main Mission and lets you follow more connections by choice.
Learner-led TagoTago
In a Learning Session, your expression changes what a character understands and says next.
Proof with less support
Trail records reduced support and the next Milestone, not a decorative completion count.
Core service in development
Tago will move from closed validation to a time-limited free Early Access.
- AI does not set curriculum, criteria, or sequence on its own.
- One successful attempt is never labelled complete mastery.
- Early Access is a temporary free stage; payment is not active.
Tago products
Tago Write
Tago Voca