Citation Machine vs PaperGuide PDF Citation Generator
Citation Machine
citationmachine.net
PaperGuide PDF Citation Generator
paperguide.aiSide by side
| Figure | Citation Machine | PaperGuide PDF Citation Generator |
|---|---|---|
| Price from | $9.95/mo | $1/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Plans published | 3 | 5 |
| Spec score · Citation generators | 8.9 (#3) | 8.5 (#11) |
| Citation styles | The service supports thousands of citation styles, including MLA, APA, Chicago and Harvard. | Paperguide's AI Writer supports more than 1,000 citation styles, and the citation generator page describes support for APA, MLA, Chicago, and Harvard. |
| Security and privacy | Chegg says an FTC consent order requires a comprehensive information-security program, multifactor authentication options, retention controls, deletion-access tools and independent assessments for 20 years. | Paperguide says it does not train generalized AI models on uploaded content, encrypts data in transit and at rest, and limits internal access to authorized personnel. |
Plans
Citation Machine
- Citation Machine® PlusFree
- Free citation generatorFree
- Chegg Writing subscription$9.95 a month
PaperGuide PDF Citation Generator
- FreeFree
- Plus$12 a year
- Pro$29 a year
- Evidence$89 a year
- EnterprisePriced on request
In their own words
Citation Machine
Citation Machine is a web service for generating citations, helping with writing and checking student assignments for plagiarism. It supports thousands of citation styles, including MLA, APA, Chicago and Harvard, and lets users export bibliographies or works cited pages to Google Drive or Microsoft Word. An account can keep citations saved in one place. The Writing Assistant provides feedback on spelling, grammar, punctuation, clarity and flow, and offers paraphrasing. Its plagiarism checker compares writing with billions of sources and reports the share of similar language. Citation Machine Plus advertises plagiarism scans, 7,000+ citation styles, 400+ advanced grammar errors and in-text citations. A free 3-day trial is offered and can be canceled anytime; the listed Plus trial price is free. Formatting guides and examples cover MLA, APA, Chicago, full citations and in-text citations. The audience described in its style directory includes high school, college and university students, teachers and independent researchers. Help Center and support pages are linked, and Citation Machine identifies itself as a Chegg service.
PaperGuide PDF Citation Generator
PaperGuide PDF Citation Generator extracts bibliographic metadata from PDF files and formats references in styles such as APA, MLA, Chicago, IEEE, Vancouver, and Harvard. The free generator works without signup or an account. Created citations appear in a bibliography saved in the browser, where they can be copied or exported. Paperguide is also a wider research platform for literature reviews, systematic reviews, and evidence synthesis. AI Search synthesizes answers from more than 200 million papers and links claims to sources. Reference Manager imports from Zotero and Mendeley and accepts papers by DOI. The Chrome extension captures papers and metadata, retrieves PDFs, generates citations from a library, and supports chats with webpages or papers. Paperguide MCP connects research-paper search and management to Claude, ChatGPT, or another MCP client. Systematic Review includes dual-reviewer screening and PRISMA reporting. The web and extension are available, with a free tier and paid plans from $12/user/mo (annual).