Trinka

Trinka is ranked #9 of 86 in grammar checkers on The Geeks Club. It runs on API, Browser extension, macOS, Self-hosted, Web, Windows. There is a free plan. Paid plans start at $20/mo.

Trinka plans and pricing

All plans

Basic Not published 5,000 words · 5 AI writing requests · 4 credits · 1 free plagiarism score trinka.ai · 22 Sept 2026

Premium $20/mo billed monthly Up to 120 proofread files/year · 25 AI writing requests/month · 10 credits/month · 2 free plagiarism scores/month trinka.ai · 22 Sept 2026

Premium Plus Not published Up to 240 proofread files/year · 1,000 AI writing requests/month · 20 credits/month · 240 pages/year trinka.ai · 22 Sept 2026

Confidential Data $300/yr Annual billing. Up to 600 proofread files/year · 1,000 pages/year · 3,000 AI writing requests/month · 600 citations/year trinka.ai · 22 Sept 2026

Basic Free $0 per month 5,000 words/month · 5 AI writing requests/month · 4 free credits/month · 1 free plagiarism score/month trinka.ai · 29 Sept 2026

Confidential Data $300/yr $300 annually Teams of 5 or more · 1,000 plagiarism or AI detection pages/year · 1 advanced plagiarism report/month · real-time data deletion · no AI training trinka.ai · 29 Sept 2026

Compared on grammar checkers

Free plan: Yes
Paid from: 20 /mo
Browser extension: Yes

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Trinka

Free plan: Yes
Browser extension: Yes
Desktop app: Yes
Style suggestions: Yes
Tone detection: Yes
Languages supported: 2
Purpose: Trinka is an AI grammar correction and language enhancement assistant designed for academic and technical writing.
Writing features: Its features include grammar checks, paraphrasing, consistency checks, file proofreading, AI-assisted writing, citation tools, plagiarism checks, and a journal finder.
Languages: Trinka Cloud provides English grammar checking and Spanish grammar checking with automatic language detection.
Document proofreading: Users can upload an MS Word document for automated proofreading and download the edited file.
Integrations: The browser plugin supports writing in Google Docs, Authorea, Evernote, and Medium.
Platforms: The site lists browser extensions for Chrome, Firefox, and Edge, a Windows app, Microsoft Word add-ins for Windows and Mac, and enterprise API, SDK, and on-premise options.
Institution integrations: Institution plans list LMS and SSO integrations including Canvas, Moodle, Blackboard, and D2L.
Security: Trinka says user data is encrypted in transit and at rest and is not sold, monetized, or shared with third parties.
Price from: $20/mo

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Where it ranks on The Geeks Club

Best Grammar Checkers in 2026#9 of 86
Best Writing Style Checkers in 2026#10 of 28
Best AI Detection Software in 2026#18 of 27
Best AI Grammar Checkers in 2026#4 of 26
Best AI Writing Assistants in 2026#9 of 24
Best Paraphrasing Tools in 2026#4 of 24

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Sources

trinka.ai/trinka-vs-zerogpt;· checked 22 Sept 2026
trinka.ai/aboutus· checked 29 Sept 2026
trinka.ai/trinkacloud· checked 29 Sept 2026
trinka.ai/browser-plugin· checked 29 Sept 2026
trinka.ai/pricing/· checked 29 Sept 2026
trinka.ai/trust-center· checked 29 Sept 2026
trinka.ai/pricing· checked 22 Sept 2026