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SPECIFICTION
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Polish vs Trinka

Polish

polish.work

Trinka

trinka.ai

Side by side

FigurePolishTrinka
Price from$4/mo$6.67/mo
Free planYesYes
Free trial——
Open source——
Web—Yes
WindowsYesYes
macOSYesYes
LinuxYes—
API—Yes
Self-hosted—Yes
Plans published47
Spec score · AI writing assistants8.3 (#17)9.0 (#9)
Browser extensionNoYes
Desktop appYesYes
Free planYesYes
IntegrationsBring-your-own-key mode supports OpenAI-compatible endpoints, and the site names OpenAI, Anthropic, Mistral, Groq, Gemini, DeepSeek, and OpenRouter.The browser plugin supports writing in Google Docs, Authorea, Evernote, and Medium.
PurposePolish fixes, rewrites, and translates selected text inside desktop apps using a keyboard shortcut.Trinka is an AI grammar correction and language enhancement assistant designed for academic and technical writing.
SupportThe Unlimited plan includes priority support, and the privacy policy lists [email protected] for privacy questions.The pricing page directs users seeking assistance to Trinka Support at [email protected].

Plans

Polish

  • FreeFree
  • Unlimited$6 a month
  • Unlimited annual$48 a year
  • Unlimited$4 a month

Polish pricing →

Trinka

  • Premium$20 a month
  • Premium$80 a year
  • Confidential Data$300 a year
  • BasicFree
  • Confidential Data$300 a year
  • PremiumPrice not published
  • Premium PlusPrice not published

Trinka pricing →

In their own words

Polish

Polish is a desktop writing utility that transforms selected text inside other applications. Select text and press Ctrl+Space to apply Fix, Rewrite, Translate or TLDR without opening a chatbot or changing tabs. The maker says it works in apps supporting text selection, including Chrome, Safari, Mail, Messages, Notion, Slack, VS Code and Terminal. Translation works to and from more than 50 languages. The overall platform listing includes Linux, macOS and Windows; the listed plans name Mac and Windows. The Free plan costs nothing and allows 20 transformations monthly without a card or account. Unlimited costs $6 a month, billed monthly, while Unlimited annual costs $48 a year, billed annually. Paid plans add unlimited transformations, local mode, bring-your-own API keys and use on up to two devices.

Visit polish.work

Trinka

Trinka is an AI grammar correction and language enhancement assistant for academic and technical writing. It checks grammar, suggests paraphrases, reviews consistency and can proofread uploaded MS Word documents for download. Other tools include AI-assisted writing, citation features, plagiarism checks and a journal finder. Trinka Cloud checks English and Spanish grammar and detects the language automatically. Its browser plugin supports writing in Google Docs, Authorea, Evernote and Medium; listed platform options also include web, API, desktop and self-hosted access. Institution plans list LMS and SSO integrations such as Canvas, Moodle, Blackboard and D2L. The free Basic plan does not expire, but monthly usage limits apply. Premium costs $20 a month, billed monthly, and includes up to 120 proofread files per year and 25 AI writing requests per month. Confidential Data costs $300 a year with annual billing. Trinka says user data is encrypted in transit and at rest. Its Trust Center says paid-plan data is not used to train AI models and Confidential Data Plan data is deleted after processing.

Visit trinka.ai