Petal vs Zotero
| Petal | Zotero | |
|---|---|---|
| Free plan | Yes | Yes |
| Paid from | $2.55/mo | $1.67/mo |
| Platforms | extension, Web | Android, api, extension, iOS, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Paid from | 4.99 /user/mo | |
| PDF annotation | Yes | Yes |
| Citation styles | 9,000 | |
| Citation style count | 9,000 | |
| Browser extension | Yes | Yes |
| Word processor support | microsoft_word | both |
| Mobile apps | none | both |
| Import formats | Zotero RDF, CSL JSON, BibTeX, BibLaTeX, RIS, Bibliontology RDF, MODS, EndNote XML, Citavi XML, MAB2, MARC, MARCXML, MEDLINE/nbib, OVID Tagged, PubMed XML, RefWorks Tagged, Web of Science Tagged, Refer/BibIX, XML ContextObject, Unqualified Dublin Core RDF | |
| Team collaboration | Yes | Yes |
Listed together in Best Reference Management SoftwareBest Citation Management Software