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Comparison · 2026

MyDetector AI vs Second Opinion Extension

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.

free

Checks text for signs of AI writing and offers a humanizer to rework flagged passages, with support for PDF, Word, PPT and TXT files.

free

Second Opinion Extension is a free browser extension that fact-checks selected web text with Grok AI to flag inaccuracies and bias.

Side-by-side

AttributeMyDetector AISecond Opinion Extension
Rating——
Reviews——
Pricingfreefree
Votes00
CategoryAI CheckerAI API

Features checklist

FeatureMyDetector AISecond 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

FAQ