iGrammar vs Trinka
iGrammar
igrammar.appTrinka
trinka.aiSide by side
| Figure | iGrammar | Trinka |
|---|---|---|
| Price from | $10/mo | $6.67/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 7 |
| Spec score · Grammar checkers | 8.9 (#18) | 9.1 (#11) |
| Browser extension | Yes | Yes |
| Desktop app | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The home page lists use with Google Docs, Gmail, LinkedIn, X, Slack, Facebook, Instagram, Notion, Google Sheets, Jira, Medium, and ChatGPT. | The browser plugin supports writing in Google Docs, Authorea, Evernote, and Medium. |
| Languages | The home page says iGrammar supports 10+ languages, automatic language detection, and region-specific spelling and vocabulary guidance. | Trinka Cloud provides English grammar checking and Spanish grammar checking with automatic language detection. |
| Platforms | The features page lists iOS and Android keyboards, Chrome and Firefox extensions, a macOS app, and a developer API with REST and webhooks. | 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. |
| Security | The privacy policy says it uses commercially acceptable means to protect information but cannot guarantee absolute security. | Trinka says user data is encrypted in transit and at rest and is not sold, monetized, or shared with third parties. |
| Style suggestions | Yes | Yes |
| Support | The maker lists [email protected] for questions and support. | The pricing page directs users seeking assistance to Trinka Support at [email protected]. |
| Tone detection | Yes | Yes |
Plans
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
In their own words
iGrammar
iGrammar is an AI writing assistant for checking and revising text, with tools for grammar, spelling, punctuation, tone, rewriting, translation, summarizing, paraphrasing, and proofreading. It identifies errors such as subject-verb agreement and homophones, and lets users apply corrections individually or together. Other tools include writing analytics and tone adjustment. iGrammar supports 10+ languages, detects language automatically, and offers region-specific spelling and vocabulary guidance. It is available on the web, Android, iOS, and macOS, as well as through an API and browser extension. Listed integrations include Google Docs, Gmail, LinkedIn, X, Slack, Facebook, Instagram, Notion, Google Sheets, Jira, Medium, and ChatGPT. The web checker can be used without signup for grammar checks, rewriting, paraphrasing, and summaries. The Free plan costs nothing and includes 10 free corrections. Unlimited costs $10 a month and includes unlimited corrections and all writing tools; its trial lasts three days. The privacy policy says third-party products may collect error-log data such as device IP address and app configuration.
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.