Turnitin AI Detector vs 99tests

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

Turnitin AI Detector compared with 99tests
Detail	Turnitin AI Detector	99tests
What it does	Free AI detection for essays and academic writing before submission	Real testers run your AI-generated test cases on real phones and browsers with a human-verified pass/fail report in 3 days
Stage	Startup	Established
Founded	2026	2011
Based in	Not given	IN
Pricing model	Freemium	Paid
Pricing	Free tier available. Paid plans: Basic $3.59/month (1 credit/month), Pro $14.79/month (5 credits/month), Ultra $22.79/month (12 credits/month). Yearly pricing available with up to 60% savings.	Starter ₹9,999 + GST (5 sessions × 45 min, 2 devices/browsers, up to ~25 test cases, 3 business days); Standard ₹18,999 + GST (10 sessions × 45 min, 4 devices/browsers, up to ~50 test cases, 3 business days); Deep ₹34,999 + GST (20 sessions × 90 min, 6 devices/browsers, up to ~120 test cases, 5 busi
Key features	AI detection score with estimated AI-likeness rating Paragraph-level report showing where AI signals appear Writing review suggestions for improvement Risk level classification (low, medium, high, very high) Analysis of predictable sentence flow patterns Detection of repeated paragraph structure Identification of generic academic language Private, non-repository mode processing No signup required for basic checking Bulk upload capability on paid plans	Test case execution on real Android and iOS phones Cross-browser testing on Chrome, Safari, Edge and Firefox Human-verified pass/fail results for every test case Screenshot and video recording of every failure Exact reproduction steps for every failure Device, OS and browser version details in report Verified severity grading against published rubric Duplicate finding merging and verification One-click re-run on same plan with new build Coverage table showing pass/fail/blocked status per device
What makes it different	Independent tool not affiliated with or endorsed by official Turnitin Report-style results showing specific AI signals rather than just a percentage Analyzes multiple AI writing tools and styles including ChatGPT, Claude, and Gemini Designed specifically for academic writing with essay-focused features	Real devices only, not emulators or simulators Human verification catches failures emulators and AI agent test runs miss Fixed price with no hourly overage or hidden charges Unfilled device sessions automatically credited to next job
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 no change since last check	27 no change since last check
Trust Flow (Majestic)	6	9
Citation Flow (Majestic)	23	32
Referring domains (Majestic)	53	109

7 details filled in for both companies.

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