Head-to-head · facts checked 15 Sept 2026
Grammarly vs Paperpal
Paperpal uniquely has 2 features · Grammarly uniquely has 1 feature.
From
$12/mo (Pro plan, billed annually)
Free plan
Yes
From
$12/mo (Prime, billed yearly)
Free plan
Yes
The verdict
Grammarly or Paperpal?
Section 01
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Grammarly
Free
Free
Write without mistakes, see writing tone, 100 AI prompts/month
Pro
$30/mo · $144/yr
Full sentence rewrites, tone adjustment, plagiarism/AI detection, 2,000 AI prompts/month, 7-day free trial
Enterprise
Contact Sales
Unlimited members, dedicated support, BYOK encryption, data loss prevention, custom roles, unlimited AI prompts
Paperpal
Free
Free
200 suggestions/month language editing, 5 uses/day writing features, 5 AI detection scans/day (1,200 words), 7,000 words/month plagiarism, 5 PDF uploads/month
Prime
$25/mo · $12/mo billed yearly ($144/yr)
Multi-year option: $229 for 2 years or $289 for 3 years
Pro
$59/mo · $29/mo billed yearly ($348/yr)
Everything in Prime plus more
For everything else about each tool, read the full Grammarly review and Paperpal review.
Side by side
| Company | ||
| Founded | 2009 | 2022 |
| HQ | San Francisco, USA | Singapore |
| AI model | Proprietary | Proprietary (built on 24+ years of scholarly publishing data by Cactus Communications) |
| User base | 40 million+ | 5M+ |
| Platforms | Web, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google Docs | Web, MS Word, Google Docs, Chrome Extension, Overleaf |
| Languages | English primary, with fluency support for non-native English speakers | 50+ languages (paraphrasing and PDF chat available in 50+ languages) |
| Pricing | ||
| Pricing model | Freemium | Freemium |
| Free plan | Yes | Yes |
| Free trial | Yes — 7-day free trial for Pro | Yes-unlimited (free plan with limits) |
| Starting price | $12/mo (Pro plan, billed annually) | $12/mo (Prime, billed yearly) |
| Enterprise | Custom | — |
| Refund policy | — | 100% money back guarantee |
| All plans | Free — Free Pro — $30/mo Enterprise — Contact Sales | Free — Free Prime — $25/mo Pro — $59/mo |
| Positioning | ||
| Best for | Individuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvement | Academic researchers, PhD students, university professors, and scientific authors preparing manuscripts for journal submission |
| Differentiator | The most widely adopted AI writing assistant, trusted by 40 million users and 50,000 organizations, offering real-time grammar, tone, plagiarism, and AI detection with enterprise-grade security and style guide enforcement. | The only AI academic writing tool combining grammar, plagiarism, AI detection, reference checking, and 30+ journal pre-submission checks in one platform, trained on 24+ years of scholarly publishing expertise and trusted by 1,500+ leading journals |
| Competitors | Hemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, Writer | Grammarly, QuillBot, Turnitin, ChatGPT, Jenni AI |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Deep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippets | Basic — maintains author's academic voice and expertise during rewriting |
| Bulk Generation | ✕ | ✕ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | ✕ | ✕ |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available on Pro and Enterprise plans | Built-in — up to 7,000 words/month (Free) or 10,000 words/month (Prime) |
| SEO Optimization | ✕ | ✕ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | ✓ | ✕ |
| Chrome Extension | ✓ | ✓ |
| CMS | — | ✕ |
| Google Docs | ✓ | ✓ |
| Key Integrations | Google Docs, Microsoft Office (Word), Chrome, Safari, Firefox, Edge, Windows desktop app, Mac desktop app, iPhone, iPad, Android, Zendesk (shown in marketing) | MS Word Add-in, Google Docs, Chrome Extension, Overleaf |
| Wordpress | ✕ | ✕ |
Section 02
Grammarly vs Paperpal: common questions
Is Grammarly or Paperpal cheaper?
Grammarly's cheapest paid plan is $12/mo (Pro plan, billed annually) and Paperpal's is $12/mo (Prime, billed yearly). Compare what each plan includes below before going on price alone.
Keep comparing
More Grammarly matchups
