Free axes are always free. Open the wider world with Premium.
우주
지구 생명
사람의 역사RecommendedSign in to continue
Premium Subscription
Unlock every premium axis at once
The final amount, currency, and billing cycle are shown at Paddle checkout.
Offered monthly or annually; renews automatically until cancelled.
Axes unlocked with Premium
태양계 · 일본사 · 중국사 · 유럽사 · 인도 · 이슬람 · 아메리카 · 생명 · 과학 · 자연 · 발명 · 지역별 동물
See every scene →
이슬람
아메리카
생명
과학
자연Web payments are securely processed by Paddle.com.
Subscription plans may renew automatically until cancelled.
Paddle.com acts as the Merchant of Record and handles payment, taxes, receipts, and refunds.
Per-axis purchase
You can also unlock a single topic permanently. Tap a locked axis inside Explore to see the purchase options.
Open in ExploreWhat's the difference?
| Free | Premium | |
|---|---|---|
| 4 free axes (Cosmos · Earth & Life · Human History · Korean History) | ||
| 12 premium axes (Solar System, Japan, China, Europe, India, Islam, Americas, Life, Science, Nature, Inventions, Regional Animals) | ||
| 3 difficulty levels (Easy · Normal · Hard) | ||
| Orbi the guide robot · learning points | ||
| Topic quizzes · progress · badges | ||
| Hidden puzzles · Orbi customization | ||
| Read-aloud for pre-readers | ||
| In-app advertising | None | None |
| Offline download | Free axes | All axes |
| New content updates | Free axes | All axes |
| Per-axis purchase (own it forever) | Available per axis | Not needed |
Frequently asked questions
Payment, billing & refunds: Paddle Buyer Support · Anything else: Contact us