CheckerAI vs IsThisImageAI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CheckerAI compared with IsThisImageAI
Detail	CheckerAI	IsThisImageAI
What it does	Free AI detector that checks text for signs of AI writing with no sign-up required	Free AI Image Detector
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free: 20 images per month, no login, verdict and confidence score, 1 key reason. Pro: $3.99/month for 150 images per month with batch checking, all reasons, and heatmap. Max: $9.99/month for 1,000 images per month with everything in Pro plus report export. API: $29.99/month for 12,000 API calls per
Key features	Score-based detection showing how closely text resembles AI writing Highlighted passages showing flagged sections in context Support for multiple file formats including PDF and Word documents No account or registration required Automatic sectioning for long documents Detection of multiple AI writing models No submission history or database storage	Verdict and confidence score Region heatmap showing AI-generated areas Plain-English explanations of detection results Batch checking for multiple images No sign-up required for free checks Files deleted after analysis Support for JPG, PNG, WebP, and HEIC formats API access for developers
What makes it different	Completely free with no sign-up required Works with documents up to 20 MB in multiple formats Provides context-aware highlighting alongside original text No data retention or published results	Free AI detection without requiring account creation or email Visual heatmap pinpointing exact regions that appear AI-generated Plain-English reasons explaining detection instead of just a yes or no
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	14	0
Referring domains (Majestic)	4	0

4 details filled in for both companies.

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