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大为 innojoy vs 链企AI
A factual side-by-side comparison of 大为 innojoy and 链企AI. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
Both 大为 innojoy and 链企AI are Freemium. Pick the one whose tagline and categories match your use case, then check the alternatives below.
| Pricing | Freemium | Freemium |
|---|---|---|
| Categories | Patents & IP / AI Search | Bid Writing / AI Search |
| Best for | Chinese patent search engine with AI tools | Tender search plus AI bid drafting |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | www.innojoy.com | www.lianqiai.cn |