Wrtn (뤼튼)
Korea's free AI superapp for chat, writing and character companions
Overview
Wrtn is a Korean consumer AI app from Wrtn Technologies offering unlimited free access to a GPT-5-class model, writing tools and character chat, alongside an enterprise agent arm, Wrtn AX, built on Google Cloud's Vertex AI. It has passed 6.5 million users in Korea and is expanding into Japan.
Pricing
Pricing shown for reference only. These figures reflect RECATOOLS research as of 12 Jul 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.
What you can produce with Wrtn (뤼튼)
- Free unlimited access to a GPT-5-class chat model
- AI writing and copywriting assistant
- Character chat product (Crack in Korea, Kyarapu in Japan)
- Wrtn AX enterprise agent platform (Google Cloud Vertex AI partnership)
- iOS/Android consumer app (Korea and Japan)
- AutoBE open-source TypeScript backend code-generation agent
ASEAN Perspective
Wrtn (뤼튼) in Southeast Asia
ASEAN-region availability and pricing notes coming soon. Drop the editorial team a note via /contact/ if you can supply local context (Singapore/Malaysia/Indonesia/Thailand/Vietnam).
Wrtn's pitch is unusual for 2026: a genuinely free, unlimited GPT-5-tier chat product, subsidized by an enterprise agent business rather than a consumer subscription. Fortune reported the company is tracking toward $100 million in annual recurring revenue this year, driven partly by character-chat products like Crack that lean into companionship use cases rather than productivity ones — a real, if slightly uncomfortable, driver of its growth.
On the developer side, its Wrtn AX unit open-sources actual tooling, including AutoBE, a TypeScript backend code generator, under the wrtnlabs GitHub organization. That's rare for a consumer AI app. The gaps: no public API for the core consumer product, no English-language self-serve pricing page, and its reach outside Korea and Japan is close to zero. Good product if you're in its home markets; not one to evaluate as a developer platform yet.
What people say
Wrtn Technologies started in 2021 as a chatbot aggregator and has become one of Korea's larger consumer AI plays, with Fortune reporting in March 2026 that the company is on track to pass $100 million in annual recurring revenue, funded in part by what the outlet frames as a boom in AI companionship products during a period of documented loneliness among young Koreans. The company itself cites over 6.5 million users in Korea, with more than 5 million monthly active users once Japan is included.
The core Wrtn app bundles a GPT-5-class chat model, offered free and without the usage caps competitors typically apply, with writing and copywriting tools and an in-house character-chat product (known as Crack, and as Kyarapu in Japan). OpenAI has featured Wrtn as a case study on its own site, describing it as "lifestyle AI for millions in Korea" — notable as an endorsement, if also clearly a vendor-relationship piece rather than independent commentary.
On the enterprise side, Wrtn AX is the company's B2B arm, positioning itself around cost-performance optimization and agentic workflows for corporate and public-sector clients, with a partnership tied to Google Cloud's Vertex AI. Its GitHub organization, wrtnlabs, publishes real open-source projects — AutoBE, a compiler-assisted TypeScript backend code generator, and Studio Pro, a documents tool — which is a more concrete signal of engineering depth than most consumer chat apps show publicly.
What's thin: there's no independent review aggregator data (no G2, Capterra or App Store rating figures turned up in research) and no clear premium pricing tier for the consumer product, since the core offering is free. For a RECATOOLS audience outside Korea and Japan, Wrtn is mostly a curiosity — a well-funded example of what a free, ad- and enterprise-subsidized AI superapp looks like when it works, rather than something readers can sign up and use in English today.
Summary of public user & expert reviews, compiled by RECATOOLS.
About this listing
This entry was compiled from publicly available data including Wrtn (뤼튼)'s official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Wrtn (뤼튼) unless explicitly stated.
Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.
For the latest details, please refer to Wrtn (뤼튼) directly →
Spotted something out of date? Suggest an update →
More in Productivity
