MyDetector AI vs Second Opinion Extension: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).
Feature lists share 0 overlapping items across the two listings.
Checks text for signs of AI writing and offers a humanizer to rework flagged passages, with support for PDF, Word, PPT and TXT files.
Second Opinion Extension is a free browser extension that fact-checks selected web text with Grok AI to flag inaccuracies and bias.
| Attribute | MyDetector AI | Second Opinion Extension |
|---|---|---|
| Rating | — | — |
| Reviews | — | — |
| Pricing | free | free |
| Votes | 0 | 0 |
| Category | AI Checker | AI API |
| Feature | MyDetector AI | Second Opinion Extension |
|---|---|---|
| Accurate AI detection with over 99% accuracy | ||
| Supports multiple file formats (PDF | ||
| Word | ||
| PPT | ||
| TXT) | ||
| Provides real-time results | ||
| Offers AI humanization to refine text | ||
| Supports multiple languages | ||
| Easy to use with a user-friendly interface | ||
| Free to install and use | ||
| Easy to use with a simple right-click action | ||
| Provides quick fact-checks | ||
| Supports multiple browsers | ||
| Requires a Grok API key | ||
| which incurs token usage costs | ||
| Accuracy depends on Grok AI | ||
| so verification from multiple sources is still recommended |