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Corroba vs Paperpal

Both stand on citation generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Corroba

Free plan Web

Corroba combines citation creation and bibliography editing with separate reference-checking tools. Its free plan includes citation generation and export, with per-run limits for Verify and the converter.

Visit Corroba

Paperpal

Free plan ExtensionMacWeb+1

Paperpal brings research discovery, academic writing support, and submission checks into one workspace. Its free plan has defined usage limits, while paid options include both annual and monthly billing.

Visit Paperpal

The facts

CorrobaPaperpal
Free planYesYes
Open sourceNot publishedNot published
Runs onWebExtension, Mac, Web, Windows
Lowest paid planFree or on requestPrime Annual: $139 a year
Plans published110
MakerNot publishedPaperpal
Websitecorroba.compaperpal.com
On citation generators#25 of 57#21 of 57

Corroba: what it does well

  • Generates citations from several kinds of source identifiers.
  • Supports 13 named citation styles.
  • Lets users edit and export bibliographies.
  • Free plan requires no account for citation generation.
  • Checks for legal open-access PDF copies.

What to know first

  • Integrity does not check uncited sources.
  • Integrity does not check the open web or other students’ papers.
  • Integrity is not an AI-writing detector.
  • Verify and converter runs have stated citation limits.

Paperpal: what it does well

  • Cited findings from over 300 million research articles
  • Writing, citation, paraphrasing, and integrity checks
  • Works on web and through browser extensions
  • Free plan includes 200 language suggestions

What to know first

  • Free AI use is limited to five times daily
  • Free plagiarism checks cover 7,000 words monthly
  • No desktop or mobile app is listed

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