๋คผํŠผ - ๋งค์ผ ์“ฐ๋Š” AI

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About this app

Lutten, Korea's No. 1 AI used by 5 million people!

Try unlimited access to various AI tools, including AI search, AI writing, and AI images.

โ— An AI Supporter Evolving for You

Meet an AI that understands you better the more you converse and provides personalized services.

We will become your everyday supporter, reaching out to you first!

With a memory 10 times better than before, you can still converse safely thanks to the highest level of security and encryption.

โ— Lutten Speaking, Your Daily Conversation AI English Partner!

Talk in English for just 10 minutes a day with an AI that calls according to your schedule. Discover yourself growing every day with the help of Lutten, which helps you build a consistent English habit.

โ— Chatting - Experience the best Korean performance without having to choose a purpose or worry about it!

It automatically distinguishes when you need to search the internet and when you don't, providing the optimal answer. It professionally analyzes documents and images, and handles complex tasks and assignment requests. We utilize the latest AI models (GPT-4o, GPT-4.5, o1, Claude 3.7, Gemini 2.5) effectively.

โ— Tools - At Rutten, anyone can become an expert.

You can consistently use over 20 diverse tools specialized for work and assignments for free and without limits.

Don't worry about editing text with a natural tone that AI cannot detect, as well as summarizing and creating high-quality blog posts.

โฆ Rutten requests only the necessary permissions.

You can still use the service even if you do not allow optional access permissions, but some features may be restricted. Please refer to the details below for the optional permission items.

[Optional Access Permissions]

- Microphone: Real-time recording (lecture notes)

- Voice Recognition: Real-time recording (lecture notes)

- Photos and Videos: Attaching photos and videos during chat

- Camera: Attaching photos and videos during chat

- Notifications: In-app notification messages

- Tracking: Collecting advertising activity information to provide personalized ads
National AI distribution app chosen by 5 million people, Rutton
Updated on
Oct 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Messages and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

15.8K reviews
์„œ์˜ˆ๋นˆ
December 23, 2025
I installed the app by misunderstand, and it required me to enter unnecessarily detailed personal information. I also touched the "Unsubscribe" button, but it didn't work. Other buttons worked fine.
3 people found this review helpful
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wrtn
January 2, 2026
์•ˆ๋…•ํ•˜์„ธ์š”, ์„œ์˜ˆ๋นˆ๋‹˜. ์•ฑ ์„ค์น˜ ๊ณผ์ •์—์„œ ๊ฐœ์ธ ์ •๋ณด ์ž…๋ ฅ ์š”๊ตฌ์™€ ๊ตฌ๋… ์ทจ์†Œ ๋ฌธ์ œ๋กœ ํฐ ๋ถˆํŽธ์„ ๊ฒช์œผ์…จ๊ตฐ์š”. ์šฐ์„  ๋คผํŠผ ์„œ๋น„์Šค ๋‚ด์—๋Š” ๊ตฌ๋… ์ทจ์†Œ๋ผ๋Š” ๋ช…์นญ์˜ ๋ฒ„ํŠผ์ด ๋ณ„๋„๋กœ ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ํ˜น์‹œ ์–ด๋–ค ๊ฒฝ๋กœ์—์„œ ํ•ด๋‹น ๋ฒ„ํŠผ์„ ๋ณด์…จ๋Š”์ง€ ์กฐ๊ธˆ ๋” ์ž์„ธํžˆ ์„ค๋ช…ํ•ด ์ฃผ์‹œ๋ฉด ๋ฌธ์ œ ์›์ธ์„ ํŒŒ์•…ํ•˜๋Š” ๋ฐ ํฐ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค. ์ด์™€ ๊ด€๋ จํ•˜์—ฌ ๋„์›€์ด ํ•„์š”ํ•˜์‹œ๊ฑฐ๋‚˜ ๊ณ„์ • ๋ฐ ๊ฒฐ์ œ ๋ฌธ์˜๊ฐ€ ์žˆ์œผ์‹  ๊ฒฝ์šฐ, ์•„๋ž˜์˜ ๋คผํŠผ ๊ณต์‹ ๊ณ ๊ฐ์„ผํ„ฐ ์‚ฌ์ดํŠธ๋ฅผ ํ†ตํ•ด ๋ฌธ์˜๋ฅผ ์ ‘์ˆ˜ํ•ด ์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค. ๋คผํŠผ ๊ณ ๊ฐ์„ผํ„ฐ : https://help.wrtn.ai/ ๋ถˆํŽธ์„ ๋“œ๋ ค ๋‹ค์‹œ ํ•œ๋ฒˆ ์‚ฌ๊ณผ๋“œ๋ฆฌ๋ฉฐ, ์‹ ์†ํ•œ ์ฒ˜๋ฆฌ๋ฅผ ์œ„ํ•ด ์ตœ์„ ์„ ๋‹คํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๋คผํŠผ ๋“œ๋ฆผ.
Rohit Kumar
April 13, 2025
oh my god... is this app even real? i luv it sm!~ this has everything I want! like...setting goals and on top of that getting related content on that goal!.. and it has a personal ai tool where we can talk to our created ai and this is so advanced... its scary,like he writes a personal diary on our talk and tells more about ourselves. this-has many many many features smart features like also gives news and all... although I'm a foreigner... it's a bit hard for me...ใ…œใ…œใ…œ to translate but I manage
14 people found this review helpful
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Devon Rogers
March 14, 2024
GPT-4 & Turbo. Free and forreal. It's in Korean, but don't be fooled. My only issue is that as of recent they've implemented a FILTER, but it is good for general use.
6 people found this review helpful
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wrtn
March 18, 2024
์•ˆ๋…•ํ•˜์„ธ์š”. ๋ชจ๋‘๋ฅผ ์œ„ํ•œ AI ํฌํ„ธ, ๋คผํŠผ์ž…๋‹ˆ๋‹ค. ๋จผ์ €, ์ด์šฉ์— ๋ถˆํŽธํ•จ์ด ์žˆ์œผ์…จ๋‹ค๋ฉด ์ฃ„์†กํ•ฉ๋‹ˆ๋‹ค. ์„œ๋น„์Šค ์ด์šฉ ์ค‘ ๋ฌธ์˜๊ฐ€ ์žˆ์œผ์‹œ๋ฉด ๋คผํŠผ ๊ณ ๊ฐ๋ฌธ์˜์— ๋‚จ๊ฒจ์ฃผ์‹œ๋ฉด ์นœ์ ˆํ•˜๊ฒŒ ๋‹ต๋ณ€๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค. ๋งŽ์€ ์ด์šฉ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค. ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๐Ÿ™‡๐Ÿปโ€โ™‚๏ธ

Whatโ€™s new

์„œ๋น„์Šค ์•ˆ์ •์„ฑ์„ ๊ฐœ์„ ํ•˜์˜€์–ด์š”
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About the developer
(์ฃผ)๋คผํŠผํ…Œํฌ๋†€๋กœ์ง€์Šค
developer@wrtn.ai
๋Œ€ํ•œ๋ฏผ๊ตญ ์„œ์šธํŠน๋ณ„์‹œ ์„œ์ดˆ๊ตฌ ์„œ์ดˆ๊ตฌ ์„œ์ดˆ๋Œ€๋กœ77๊ธธ 17 1401ํ˜ธ, 1402ํ˜ธ, 1403ํ˜ธ, 1404ํ˜ธ, 1406ํ˜ธ, 1413ํ˜ธ, 1415ํ˜ธ (์„œ์ดˆ๋™) 06614
+82 10-2807-9330

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