| Feature | WPS Office Free | WPS Office Pro/Premium | | :--- | :--- | :--- | | | Writer, Spreadsheets, Presentation | Writer, Spreadsheets, Presentation | | Pricing | $0 (Permanent) | $29.99/year (Approximate) | | PDF Tools | Basic viewing, annotation, and form filling. | Full editing, conversion (PDF to Word, Excel, PPT), batch processing, watermarking, and e-signatures. | | AI Features | Basic spell check and grammar. | Advanced AI writing assistants, data analysis tools, AI presentation generation. | | User Experience | Ad-supported. | Completely ad-free, clean interface. | | Cloud Storage | 1 GB of free space. | Up to 20 GB of cloud space. | | Template Library | Access to a limited number of basic templates. | Unlimited access to a vast library of professional templates. | | Technical Support | Community forums and help pages only. | Priority email and live chat support. | | Device Support | Typically supports one device per login. | Supports up to 9 devices (often 3 PCs + 6 mobiles). |