Help Center

We support 5 major AI models: Doubao (creative writing), Qwen (long-form logic), DeepSeek (best value), Zhipu (Chinese-native), and Kimi (ultra-long context). Our Lingxi scoring system automatically picks the best model for each task.

The free tier offers 5 AI generations per day across all 4 tools — perfect for trying things out. For more, upgrade to Standard (200/day, $1.99 lifetime) or Pro (2000/day, $9.99 lifetime).

Yes! We use buyout pricing — pay once, use forever. No subscriptions, no auto-renewals. Standard is $1.99, Pro is $9.99.

You can message us directly through MBD (the payment platform). After purchasing, contact us there with any issues — we typically respond within 24 hours.

Your input is only used for the current generation and is not stored long-term. We don't use third-party analytics, and user data is never shared with ad platforms. See our Privacy Policy for details.

Full refund within 7 days, no questions asked. After refund, your membership perks are revoked. Processing takes 1-3 business days via the original payment method.

Yes! Upgrade from Standard to Pro for just +$5 (Pro $6.99 - Standard $1.99). Your existing perks and quota carry over — no need to repurchase.

Earn $1 for each friend who purchases Standard or Pro. Cash out at $2 minimum — withdrawable to WeChat or Alipay.

Free gives you 5 uses/day. The ¥1 Trial gives you 10 uses total (no daily limit), with access to enhanced output. One trial per customer.