I built a free Tandem alternative with an AI dragon. Hit #1 on BootstrapArena, but 0 active users. What am I doing wrong?

Description and use

LangX, a free AI‑driven language practice platform, won Product of the Month but has no active users.

Problem

The app LangX has no active users despite winning Product of the Month on BootstrapArena.

Outcome

The app achieved a top award but failed to attract active users, indicating issues with user engagement and marketing reach.

Workflow

• Built LangX with Node.js and Supabase backend
• Integrated free AI APIs (Groq, OpenRouter) with regex fallback
• Implemented Clip, an AI dragon that corrects grammar and mocks mistakes
• Launched on BootstrapArena and won #1 Product of the Month
• Added guest mode for unregistered users
• Sought feedback via Reddit, Indie Hackers, TikTok, and direct user testing

Evidence

I built my own: LangX (langx.space).

Source

It runs on Node.js with a Supabase (PostgreSQL) backend.

Source

I built a pool of free AI APIs (Groq, OpenRouter) with a fallback to regex scripts if the AI fails.

Source

The main feature is Clip — an AI dragon who corrects your grammar and roasts you for mistakes.

Source

I recently launched on BootstrapArena and took #1 Product of the Month.

Source

I have almost 0 active users. People visit the site, look around, but nobody actually stays to chat with the dragon or register.

Source