Question: I need a solution to check personal essays for potential plagiarism in college admissions.

If you're looking for a trusted tool to check personal essays for plagiarism in college admissions, Turnitin is a good option. The service uses AI writing detection technology to spot AI-generated content and flag it so you can be sure your work is your own. Turnitin has a range of tools to check originality, offer feedback and grade student work, and it's a good option for academic integrity.

Another powerful option is iThenticate, which is designed to ensure the originality of high-stakes content by comparing your work against a large database of 47 billion web pages, 190 million subscription content sources and 81,000 journal articles. It's good for academic and admissions work, with an integrated interface for evaluating matches and an AI writing indicator to spot AI-generated content.

For a flexible and secure option, check out Copyleaks. This AI-powered service can detect plagiarized content, AI-generated content and other issues, and works in multiple languages. It also offers integration with Learning Management Systems (LMS) and has data security with GDPR compliance and SOC 2 and SOC 3 certifications, so it's a good option for schools.

Last, GPTZero has specialized AI detection abilities designed to spot text from large language models like ChatGPT and GPT-4. With features like Deep Scan, Source Scanning and plagiarism detection, GPTZero offers a detailed analysis of your writing to ensure it's authentic and original.