Trinka AI vs Grammarly
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Trinka AI
Grammar and style checking tuned for academic and technical English
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Grammarly
Grammar, tone and rewriting help wherever you type, now part of Superh...
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| RECATOOLS Score | 6.9 / 10 | 7.8 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Freemium |
| Free tier | Basic: free and never expires, no card; 5,000 words, 4 proofread files, 5 AI writing requests and 1 plagiarism score a month | Free plan: spelling and grammar correction, tone detection and 100 AI prompts a month |
| Paid from | $20/month for Premium billed monthly, or $48/year billed annually | $12/month for Pro billed annually ($144/year); $30 month to month |
| Has API | ✓ | ✗ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✓ |
| Users | — | over 40 million daily active users (2025) |
| Founded | 2020 | 2009 |
| Maker | Crimson AI Pvt. Ltd. | Superhuman Platform Inc. (formerly Grammarly) |
| Verdict | Trinka is the specialist choice for scholarly English: style-guide corrections, technical spelling, LaTeX and Word proofreading with tracked changes, and plagiarism and AI-detection checks bundled into an inexpensive ann... |
Grammarly remains the most widely deployed writing checker, and the core job of catching mistakes and adjusting tone in almost any text box is as reliable as ever. Language support has widened beyond English, and the fre... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.