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Paperpal vs Trinka AI

Paperpal or Trinka AI? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.

In inglese

In short

  • Both: Rewrites, Grammar, Plagiarism check, AI detection, Translation, Browser extension
  • Only Paperpal states: Tone, Templates
  • Only Trinka AI states: API

Paperpal

Paperpal is an AI academic writing assistant for drafting, editing, researching, citing, and checking manuscripts before submission.

Plans

Paperpal Pro

  • $348 a year
  • $29/month; billed annually
  • $59 a month (billed monthly)
  • Ideal for high-stakes research writing, including journal articles, theses, and clinical documents.

Paperpal Prime

  • $144 a year
  • $12/month; billed annually
  • $25 a month (billed monthly)
  • Best for regular research and writing needs.

Prices checked 2026-09-25 on the maker’s page.

Capabilities

  • Not: Long-form writing — “Paperpal will not write the entire content for you.” source
  • Rewrites — “Perfect your work by paraphrasing, shortening text, correcting tone, polishing language, ensuring consistency, or checking for plagiarism with this AI writing assistant.” source
  • Grammar — “Correct grammar, tone and academic phrasing with AI trained on scholarly writing.” source
  • Tone — “Perfect your work by paraphrasing, shortening text, correcting tone, polishing language, ensuring consistency, or checking for plagiarism with this AI writing assistant.” source
  • Plagiarism check — “Identify unintentional similarity and missing citations before they become a problem.” source
  • AI detection — “Detect AI patterns and refine your writing to reflect your voice and expertise.” source
  • Translation — “Get accurate academic translation in 50+ languages” source
  • Templates — “Templates” source
  • Browser extension — “Paperpal for Chrome” source

Latest updates

  • Improvement

    Improvement for Web, Word, and Mobile.

  • New feature

    New feature for Web, Word, Mobile, and Chrome.

  • New feature

    New feature for Web and Word.

About Paperpal

Trinka AI

Trinka AI checks and improves academic and technical writing with grammar, paraphrasing, proofreading, citation, plagiarism, and AI detection tools.

Plans

Basic

Free

  • 5,000 words/month
  • Grammar check (Lite Mode Only)
  • 5 requests/month for AI writing
  • 4 free credits/month

Premium

  • $48 annually
  • Access to all writing features
  • All advanced writing modes
  • Up to 120 editable files/year
  • 2 free plagiarism scores/month
  • 10 free credits/month

Premium Plus

  • $125 /year
  • Everything in Premium
  • Double credits and file translation
  • Up to 240 editable files/year
  • 240 pages/year of standard plagiarism check
  • Access to Plagiarism & AI Detector Marketplace
  • 20 free credits/month

Confidential Data

  • $300 annually
  • Everything in Premium Plus
  • Offline Grammar Checker app
  • Unlimited AI writing, instant data deletion, and no AI training
  • Up to 600 editable files/year
  • 1,000 pages/year and 1 advanced report/month
  • 50 free credits/month

Confidential Data

Price on request

  • For teams of 5 or more
  • Zero storage and no AI training
  • Instant data deletion
  • 1,000 pages of standard plagiarism or AI detection/year
  • 50 proofread files or reports/month
  • User access management

Writing Assistance For Teams

Price on request

  • Professional writing solutions for corporate teams
  • Feature customizations
  • Advanced data privacy
  • Usage analytics dashboard
  • API, SDK, and on-premise integrations
  • White labeling

Trinka for Institutions

Price on request

  • Academic integrity and writing assistance
  • DocuMark academic integrity
  • Student and faculty writing assistance
  • Dedicated onboarding and account support
  • LMS and SSO integration

Prices checked 2026-09-25 on the maker’s page.

Capabilities

  • Rewrites — “Trinka has a Paraphrasing Tool that helps you rephrase text while preserving its original meaning, making it easier to improve clarity and readability.” source
  • Grammar — “You can check your grammar online using Trinka AI grammar checker tool .” source
  • Plagiarism check — “The plagiarism checking and reference checking features are really good.” source
  • AI detection — “Yes. Trinka offers a free AI Detector that analyzes text to identify content that may have been generated by AI.” source
  • Translation — “Includes File Translation (30+ languages)” source
  • Browser extension — “Yes. Trinka offers a Microsoft Word add-in and browser extensions that allow you to receive real-time writing suggestions directly as you write, across platforms.” source
  • API — “Grammar Checker API” source

Security

  • SOC 2 Type II — “Trinka is SOC 2 (Type 2) certified, independently verifying that we meet the trust services criteria for security, privacy, availability, and confidentiality.” source
  • SOC 2 — “Trinka is SOC 2 (Type 2) certified, independently verifying that we meet the trust services criteria for security, privacy, availability, and confidentiality.” source
  • ISO 27001 — “Trinka's information security management system is ISO 27001 certified, meeting rigorous international standards for protecting your data against evolving security threats.” source
  • GDPR — “Trinka is GDPR compliant, honoring your data privacy rights under European regulations.” source
  • HIPAA — “Trinka is HIPAA compliant, ensuring the confidentiality and security of all protected health information (PHI).” source
  • Not trained on your data — “Data of users on our paid plans is not used for any training of our AI models.” source

Latest updates

About Trinka AI