Tools
QuillBot vs Trinka AI
QuillBot 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 short
- Both: Rewrites, Grammar, Plagiarism check, AI detection, Translation, Browser extension
- Only QuillBot states: Long-form writing, Templates
- Only Trinka AI states: API
QuillBot
QuillBot provides AI tools for paraphrasing, grammar checking, summarizing, translation, originality checks, and content creation.
Plans
Free
Free
- Paraphrase up to 125 words
- Paraphrase in 2 modes
- Fix basic grammar errors
- Humanize up to 125 words, limited usage
- Generate basic summaries
- Access AI Detector (limited)
Premium
- $8.33 USD Per month, billed annually
- Full access to paraphrasing
- Paraphrase in unlimited modes
- Get advanced grammar recommendations
- Full access to humanizing
- Create custom summaries
- Full access to AI Detector
Prices checked 2026-09-24 on the maker’s page.
Capabilities
- Long-form writing — “Blog post generator” source
- Rewrites — “Rewrite and refine text” source
- Grammar — “Fix spelling, grammar, punctuation” source
- Plagiarism check — “Detect unoriginal content” source
- AI detection — “Identify AI-written text” source
- Translation — “Translate quickly and accurately” source
- Templates — “Resume Templates” source
- Browser extension — “Quillbot for Chrome” source
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
- Trinka AI Launches Moodle Plugin, Offering Writing Support and Academic Integrity Within University’s Existing LMS
Trinka AI announced the launch of its Moodle Integration Plugin that enables universities to deploy Trinka's writing support and academic integrity solution directly…
- First Generative AI Course in Spanish for Universities, from Trinka AI and Enago
Trinka AI and Enago have launched a first Generative AI course of its kind for universities.
- Trinka AI adds New Checks to its Highly Used Citation Quality Report that Strengthens Research Integrity
The launch of two new checks - citations from potential predatory journals and identification of duplicate reference entries - under its Citation Quality Report.