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Adaptive Difficulty
AI detects your skill level as you solve problems and auto-adjusts difficulty. No tests needed — just start practicing.
All languages, one app
AI tunes the difficulty as you practice — and explains every wrong answer instantly. Grow every day with your cute Nogli companion.
English ↔ Korean beta now live!
“You'll be surprised how fast you improve”
안녕!
Hello!
こんにちは
你好!
Our Story
LINGO
LINGO
“LOING is an anagram of Lingo. Rearrange language, discover a new world.”
We believe anyone can learn a language at their own pace, like playing a game. The more you practice, the better our AI understands your level. And Nogli — another anagram of Lingo — cheers you on every day.
Not alone, but together. Start your journey with LOING.
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Learners
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Total Problems
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Difficulty Levels
Key Features
Why LOING?
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3 Problem Types
Fill-in-the-blank, sentence ordering, and listening comprehension. Repeat the same content in different ways for natural long-term retention.
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Living Voices
Experience random audio at various speeds and situations. Naturally adapt to real-world conversations.
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AI Tutor Explanations
When you miss a question, our AI immediately explains why. Grammar points, similar expressions, even nuance — like a teacher right beside you.
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Challenge Mode
Solve 10 problems to measure your skill level. Your rating and tier rank will be determined based on your results!
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Real-World Content
Learn from dramas, news, social media, and podcasts. Not for test prep — for real communication.
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Multilingual × Multilingual
English ↔ Korean beta now live! Japanese, Chinese, Spanish and more language pairs coming soon.
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Group Learning
Form a group with up to 100 people, pool your scores, and grow your housing together. Compete against other groups in the weekly ranking.
Take a peek inside
Meet Nogli
Nogli — Another face of Lingo
5 problems a day, your own Nogli is born
Nogli is a special companion that grows with your learning. Solve just 5 problems daily to naturally earn your Nogli. Level up, cook meals, and build your village.
Cooking System
Collect ingredients and cook your Nogli's favorite dishes. New recipes unlock as you level up!
Village Building
Build and decorate Nogli's village with cute buildings and items. Earn learning bonuses as your village grows!
Happiness Tracker
Daily studying increases Nogli's happiness. Challenge your weekly happiness high score!
More Nogli Friends
Meet Bode, ShuShu and many more characters!
Experience Real Speech
Forget textbook audio. Real speed, real situations.
A friend speaking fast, a teacher explaining slowly, a news anchor with perfect pronunciation. Random audio at various speeds and situations helps you naturally adapt to real conversations.
Slow and gentle
Kind and patient for beginners
Everyday conversation
Natural dialogue between native speakers
Fast and natural
Real-life speech from busy natives
NEW · Groups & Housing
Don't go solo. Grow your village together.
Bring up to 100 people into a group, and every problem you all solve feeds the same housing — leveling it up together. Compete with other groups in the weekly ranking.
Lv.1Lv.1 Banana Peel Tent
Lv.4Lv.4 Toasty Bread House
Lv.8Lv.8 Candy Crystal Castle
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Create a Group
Anyone can create up to 9 groups. From a tiny circle of friends to a bigger learning community — your call.
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Housing Growth
Everyone's scores stack up to level up the group's housing. The more you all solve, the fancier your village gets.
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Weekly Ranking
Compete on this week's score and your all-time best against other groups. The ranking resets every Monday.
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Learn Together
Group learning reports show who solved how much, at a glance. Cheer, push each other, and grow together.
One invite link, instant join
Share loing.app/g/[code] and your friends jump straight into the group.
Better together
A language journey with friends
Make Study Buddies
Follow other learners and cheer each other's progress.
Gift Energy
Send energy to friends to keep studying together. Exchange energy daily to stay motivated!
Tier System
Solve 10 problems in Challenge Mode to see your rating and tier. Keep challenging yourself to climb higher!
What learners say
“Raising cute characters makes studying English so fun haha. It'd be great if there were cute animal characters too!”
J
Jino hok
Google Play
“Great for beginners studying on their own, and the UI is super cute!”
G
Gentle Dhoon
Google Play
“It's free, language study works great, and there's a game like Animal Crossing..”
치
치킨먹고싶다치킨치킨
Google Play
Frequently Asked Questions
Start now. It's free.
No tests, no complicated setup. Just start solving your first problem. Nogli is waiting for you! 🦜