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WritingFree tier
Mainland China: not confirmed
Editing assistant for style, grammar, and manuscript reports, with free and paid tiers.
面向风格、语法与稿件报告的编辑助手，有免费与付费档。
Marked “not confirmed” because NavBoth only checked public pages and did not verify access from mainland China.
WritingFree tier
Writing assistant for grammar, tone, and rewrites, aimed mainly at English, with free checks and paid plans.
Mainland China: not confirmed
View listingWritingPaid
Marketing-copy product for campaigns and brand voice. Jasper sells it on paid plans.
Mainland China: not confirmed
View listingWritingFree tier
Perplexity's tool for turning research into shareable article-style pages with citations.
Mainland China: not confirmed
View listing