GPTZero
7.5#4 in ai detection softwareFrom $8.33 a monthFree planWebAPIExtension
VisitGPTZero vs IA Checker
IA Checker
7.0#14 in ai detection softwareFrom €118.80 a yearFree planiOSWeb
VisitWhat both publish
| Fact | GPTZero | IA Checker |
|---|---|---|
| Integrations | GPTZero lists Google Classroom and Canvas LMS integrations, an API for developers, and a Zapier integration. | Premium and Team include access to Pangram for AI detection and Undetectable for rewriting. |
| Privacy | GPTZero says it does not store or collect documents submitted through API calls, while dashboard inputs may be used in aggregate to improve the service. | Optional text history is disabled by default, and IA Checker says it does not sell submitted content or use it to train its models without express opt-in. |
| Writing tools | GPTZero offers Writing Replay, plagiarism checking, writing feedback, grammar checking, and Advanced Scan. | The suite includes paraphrasing, grammar checking, translation, summaries and AI humanization. |
GPTZero plans
- FreeFree
- Essential$8.33 a month
- Premium$12.99 a month
- Professional$24.99 a month
IA Checker plans
- FreeFree
- Premium€14.90 a month
- Premium (yearly)€118.80 a year
- TeamPriced on request
Pick GPTZero if…
GPTZero suits educators, hiring teams, publishers, journalists, and others assessing writing authenticity. Its API, browser extension, and education integrations may also suit users who want detection in existing workflows.
Pick IA Checker if…
IA Checker suits people who want AI text checks alongside writing and translation tools, or who need to analyze supported image and document formats. Image analysis is limited to signed-in Pro or Max accounts.