Copywritely vs Originality.ai
Copywritely
copywritely.com
Originality.ai
originality.aiSide by side
| Figure | Copywritely | Originality.ai |
|---|---|---|
| Price from | $29/mo | $12.95/mo |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 10 | 7 |
| Spec score · Content Optimization Software | 8.9 (#3) | 8.9 (#5) |
| Grammar checker | The grammar tool flags grammar, spelling, punctuation, readability and redundancy issues in an online editor. | A grammar and spelling checker is included as an AI-assisted writing-quality tool. |
| Headquarters | Gibraltar | Collingwood, Ontario, Canada |
| Integrations | The official pricing page lists PayPal and Visa or Mastercard cards as payment methods; Software Finder identifies PayPal as an integration. | Originality.ai offers a Moodle integration for reviewing submitted work for AI-generated text and plagiarism within Moodle. |
| Notable news | AppSumo previously sold Copywritely lifetime-access plans with a 60-day redemption requirement and 60-day refund guarantee. | LinkedIn announced an Originality.AI MCP server launch in October 2026 for ChatGPT and Claude workflows. |
| Plagiarism checker | The plagiarism checker searches for matching wording and identifies duplicate-content sources. | Its plagiarism product searches for copied and paraphrased material and reports matching sources. |
| Rating on Chrome Web Store | 3.4 out of 5 from 11 reviews | 3.8 out of 5 from 159 ratings |
| Rating on GetApp | 4.1 out of 5 from 13 reviews | 5.0 out of 5 from 7 reviews |
| Rating on Trustpilot | 2.6 out of 5 from 4 reviews | 4.6 out of 5 from 1,358 reviews |
| Readability checker | Readability scoring uses the Flesch and Gunning Fog indexes. | The readability tool scores text using readability tests derived from more than 20,000 search-result analyses. |
| Security | The privacy policy says sensitive/credit information is encrypted via SSL and transactions are handled by a gateway provider rather than stored or processed on Copywritely servers. | The help center states uploaded scanner content is end-to-end encrypted and inaccessible to staff or other users unless shared. |
| Support | The official homepage advertises 24/7 online support for platform and content-creation issues. | The pricing page says Pro support issues are typically resolved within 24 hours or less and Enterprise priority support issues typically within an hour or less. |
| What it does | Copywritely analyzes and improves web content for search engines and readers through SEO checks, recommendations, rewriting and publishing guidance. | Originality.AI is a cloud content-integrity platform combining AI-text detection, plagiarism checking, fact checking and readability scoring. |
Plans
Copywritely
- 50 pages per month$29 a month
- 100 pages per month$49 a month
- 200 pages per month$69 a month
- 300 pages per month$99 a month
- 400 pages per month$120 a month
- 500 pages per month$150 a month
- 1000 pages per month$300 a month
- 2000 pages per month$500 a month
- 3000 pages per month$750 a month
- 4000 pages per month$1,000 a month
Originality.ai
- BasicFree
- Pro$12.95 a month
- Pro (annual billing)$12.95 a month
- Pro (monthly billing)$14.95 a month
- Enterprise$136.58 a month
- Enterprise (annual billing)$136.58 a month
- Enterprise (monthly billing)$179 a month
In their own words
Copywritely
Copywritely is a web-based tool for checking content for SEO issues, suggesting fixes, rewriting text, and helping publish updates. Its checker covers plagiarism, keyword stuffing, readability, and grammar. The listed writing tools also include keyword density checking, article rewriting, real-time editing, competitor analysis, and keyword research. Its SERP checker accepts up to three keywords and surfaces common words, bigrams, and trigrams from selected competitor pages. Optimization tools are listed for English, French, Spanish, German, Italian, Dutch, Portuguese, Russian, and Swedish. Each check can analyze up to 10,000 words. A free account includes 10 text checks, 10 task generations, and access to a history table. Paid plans start at $23/mo (annual); listed monthly plans range from $29 a month for 50 pages to $1,000 a month for 4000 pages. Subscriptions renew monthly and can be canceled at any time with no minimum term. The product is aimed at SEO specialists, marketers, and copywriters, and advertises 24/7 online support.
Originality.ai
Originality.ai provides tools for checking AI-generated text, plagiarism, facts, readability, grammar, spelling and content quality. Its free Basic plan costs $0.00 per free and provides three AI scans per day, with up to 2,000 words per scan. The AI detector offers configurable allowances of 0%, 5%, 15%, 25% or 40%. A website scanner can crawl a site, identify pages likely to contain AI-generated content and run scheduled scans. The browser extension scans Google Docs, web pages or selected text, and includes writing replay, typing behavior insights and shareable reports. A REST-based API submits text for AI and plagiarism scans and returns detailed results; the maker says AI detection supports 30 languages. API AI scans require at least 50 words, and the help page says accuracy decreases below 100 words. Originality.ai describes detection results as probabilistic estimates that may produce false positives or false negatives, not conclusive proof. Pro costs $12.95 per month billed yearly, with a monthly option at $14.95 per month. The service is available through web, API and extension.