Smodin Plagiarism Checker
- Android app
- Yes
- Free plan
- No
- Paid plans from
- $10/mo
- Runs on
- Android, api, Browser extension, iOS, Web

Summary
Smodin Plagiarism Checker compares submitted text with web and academic material, then returns similarity scores, matched source links, and highlighted sections for review. Users can paste text or upload .txt, .doc, .docx, or .pdf files; a scan requires at least 1,000 characters. Smodin says the checker scans more than 1 billion sources and uses keyword and phrase matching against online pages, as well as comparisons with submitted documents. The resulting report helps readers locate matching passages and sources to review and cite. The checker is browser-based, and Smodin also lists Android, iOS, web, and extension availability, plus a plagiarism and auto-citation API. The API is available in 12 languages and uses pay-as-you-go pricing. A free plan is available. The Starter plan costs $10.00 USD per month billed annually, while Premium is $16.00 USD per month billed annually and includes advanced scans and a Chrome extension. Smodin lists email and phone support, and users may request personal-information deletion through account settings or support.
Who it is for
The checker may suit students, academics, educators, writers, researchers, journalists, professionals, and businesses who need to review text for matching material. Its API may also suit teams building plagiarism or citation services.
What is good
- Checks against web and academic sources
- Accepts pasted text and four file formats
- Reports matched sources and highlighted sections
- Free plan available
- API offered in 12 languages
What to know first
- At least 1,000 characters required per scan
- Paid plans billed annually
- Internet security cannot be guaranteed completely
Verdict
Smodin provides source matches and highlighted passages alongside similarity scores, with a 1,000-character minimum for scanning. It has a free plan and paid annual plans starting at $10.00 USD per month.
Smodin Plagiarism Checker plans and pricing
All plansCompared on AI writing tools
- Free plan
- Yessmodin.io
Facts
- Purpose
- The plagiarism checker compares text against web and academic sources and returns similarity scores, matched sources, and highlighted sections.smodin.io · 30 Sept 2026
- Source coverage
- Smodin says the checker scans more than 1 billion sources.smodin.io · 30 Sept 2026
- Supported uploads
- The checker accepts pasted text and .txt, .doc, .docx, and .pdf files.smodin.io · 30 Sept 2026
- Minimum input
- The checker page requires at least 1,000 characters to begin a scan.smodin.io · 30 Sept 2026
- Detection report
- Reports include similarity scores, matched source links, and highlighted sections to review and cite.smodin.io · 30 Sept 2026
- Detection methods
- Smodin describes keyword and phrase matching against online pages and comparison against submitted documents.smodin.io · 30 Sept 2026
- Integrations
- Smodin offers a plagiarism and auto-citation API with pay-as-you-go pricing and documentation.smodin.io · 30 Sept 2026
- API languages
- The services page says the plagiarism and auto-citation API is available in 12 languages.smodin.io · 30 Sept 2026
- Security
- Smodin says it uses security measures and technologies to protect information from unauthorized disclosure, access, or use, while noting that internet security cannot be guaranteed at 100%.smodin.io · 30 Sept 2026
- Data deletion
- Users may request personal-information deletion through account settings or by contacting support.smodin.io · 30 Sept 2026
- Support
- Smodin lists support by email and phone, and its help center asks users to include a screenshot and login email when requesting help.smodin.io · 30 Sept 2026
- Who it is for
- The checker is presented for students, academics, teachers, educators, writers, researchers, journalists, professionals, and businesses.smodin.io · 30 Sept 2026
- Operating model
- The checker is offered as a browser-based tool, and Smodin also lists a Chrome extension and developer APIs among its offerings.smodin.io · 30 Sept 2026
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Sources
- smodin.io/check-written-text-for-plagiarism· checked 30 Sept 2026
- smodin.io/services· checked 30 Sept 2026
- smodin.io/legal· checked 30 Sept 2026
- smodin.io/about· checked 30 Sept 2026
- smodin.io/pricing· checked 30 Sept 2026
- smodin.io/pricing· checked 30 Sept 2026



