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WritingFree tier
Mainland China: not confirmed
Paraphrasing and grammar tools aimed at students and writers, with free checks and Premium.
面向学生与写作者的改写与语法工具，有免费检查与 Premium。
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