Free AI Detector — Unlimited Content Detection at Zero Cost
The only AI detector you'll ever need, completely free forever. No hidden fees, no usage limits, no credit card required.
Tired of expensive AI detection tools with restrictive free tiers? Reilaa offers unlimited, professional-grade AI content detection at absolutely no cost. Check your essays, papers, and assignments against multiple AI detection models including Turnitin prediction.
Made with ❤️ by Ryne AI. Free forever, no limits, no sign-up required.
Cost Per Scan
Scan Limit
Sign-Ups Required
Features Included
Key Features
100% Free Forever
No trials, no subscriptions, no premium features. Everything is free, always.
Unlimited Scans
Check as many documents as you want with zero restrictions on usage.
No Sign-Up Required
Start using immediately. No account creation, no email, no personal data.
Full Feature Access
Get all features including multi-model detection and Turnitin estimation at no cost.
No Advertising
Clean, ad-free interface. Your privacy and user experience matter to us.
Professional Quality
Free doesn't mean low quality. Get the same accuracy as paid services.
Why Choose This Tool
Save $100+ annually compared to paid AI detection subscriptions
Check unlimited drafts and revisions before submission
No need to ration your scans or worry about running out
Perfect for students on a budget with multiple assignments
Access professional-grade AI detection without financial barriers
Free alternative to GPTZero Premium, Turnitin, and other paid tools
Why Free AI Detection Matters for Students
The financial burden on students continues to grow with rising tuition costs, expensive textbooks, and costly software subscriptions. Adding paid AI detection tools to this list creates an unfair barrier to academic success. Students shouldn't have to choose between checking their work for AI flags and buying groceries. Education should be accessible, and the tools that support education should be too.
Many 'free' AI detectors impose severe restrictions that render them nearly useless for actual student needs. Some limit you to just 250 words per scan—barely enough for a single paragraph. Others allow only 3-5 scans per month, forcing students to ration their checks and submit work without proper verification. Some require credit card information for 'free trials' that automatically convert to paid subscriptions, catching students off guard with unexpected charges.
Reilaa was created specifically to address this inequality. Every feature is completely free with genuinely unlimited scans. No word count limits. No monthly scan quotas. No hidden premium features locked behind paywalls. You can check a 500-word essay or a 10,000-word dissertation—as many times as you need to get it right. This isn't a limited trial or a freemium trap; it's a commitment to educational accessibility.
Beyond just cost savings, truly free AI detection empowers better learning. Students can check multiple drafts throughout their writing process without worrying about running out of scans. This iterative checking helps you understand how your writing style affects AI detection scores, teaching you to develop a more authentic voice. You learn what triggers AI detectors and how to write more naturally—valuable skills that paid tools' limited scans can't provide.
The Hidden Costs of 'Free' AI Detection Tools
Most tools advertised as 'free AI detectors' operate on a freemium model designed to frustrate you into upgrading. GPTZero's free tier limits you to 5,000 words per month—sounds generous until you realize that's just 10 average essays. Once you hit that limit, you must either pay $10/month for their Premium plan or wait until next month. For students writing multiple papers across different classes, this quota disappears within days.
ZeroGPT offers unlimited scans but caps each individual scan at 15,000 characters (roughly 2,500 words). While better than GPTZero, this still means splitting longer papers into multiple scans and manually tracking which section got which score. Their paid 'Pro' version removes this limit but costs $9.99/month. Copyleaks takes a different approach: 10 pages free per month, then $9.99 per month. These recurring costs add up to $120+ annually.
The credit card requirement for 'free trials' presents another hidden cost. Writer.com and several other platforms require payment information upfront, claiming they won't charge you during the trial period. However, if you forget to cancel before the trial ends—which happens to many busy students during exam periods—you're automatically charged $18-30. Some make cancellation intentionally difficult, burying it deep in account settings or requiring you to contact support.
Data privacy represents an often-overlooked cost. Some free tools monetize by collecting and selling your data, tracking your usage patterns, or training their AI models on your essays without explicit consent. Your original academic work becomes part of their commercial dataset. Reilaa never stores your text beyond the immediate analysis period—your essays are processed and immediately deleted, with no data retention or monetization of your academic work.
How Reilaa Stays Free Without Compromising Quality
The most common question we receive is: 'How can Reilaa afford to be completely free?' It's a fair question in a world where nothing seems truly free anymore. Our model is simple: Reilaa is supported by Ryne AI, a company that believes in educational equity and views this tool as both a service to students and a way to demonstrate our AI technology capabilities.
Rather than charging students or monetizing data, Reilaa operates as a strategic investment in the education community. By providing genuinely valuable free tools, we build trust and relationships with students who may eventually need other AI services—like our humanization tools at Humaniser.com for professional content creation. This goodwill approach proves more valuable long-term than extracting $10/month from struggling students.
We also benefit from technical efficiency. By leveraging existing AI detection APIs from GPTZero, ZeroGPT, and Writer.com, we avoid the massive costs of training our own detection models from scratch. Our Turnitin estimation layer adds unique value without requiring expensive infrastructure. This smart integration approach keeps operational costs low enough to offer truly unlimited free access.
Our commitment to remaining free is backed by sustainable business practices. We don't rely on venture capital demanding aggressive monetization. We don't have pressure to 'convert' free users into paid subscribers. Reilaa will remain free because that's fundamentally what it was built to be—an accessible tool that removes barriers rather than creating them. Education is challenging enough without paywalling the tools that help students succeed.
Maximizing Value from Free AI Detection
Since Reilaa offers unlimited free scans, you can use AI detection strategically throughout your entire writing process—not just as a final check before submission. Start by scanning your outline or thesis statement to ensure your foundation sounds authentic. Many students unknowingly adopt AI-like phrasing when brainstorming, which then carries through the entire paper. Catching this early prevents hours of revision later.
As you write each section, run quick scans to maintain awareness of how your content reads to AI detectors. This real-time feedback helps you develop an instinct for authentic writing. You'll start recognizing which sentence structures or word choices trigger higher AI scores and naturally avoid them in future writing. This builds genuine writing skills rather than just gaming the system for one assignment.
Before submitting final drafts, run comprehensive scans of your complete work. Pay attention to sections that score higher than others—these often indicate areas where you relied too heavily on research sources without adding personal analysis, or where you used overly formal language that mimics AI outputs. Revise these sections by adding specific examples, personal insights, or varying your sentence structure, then re-scan to verify improvements.
Use Reilaa's multi-model results to understand how different detection systems evaluate your work. If GPTZero flags your writing but ZeroGPT doesn't, you know you're using patterns specific to GPT-family models. If all models show low scores except our Turnitin estimator, you can focus specifically on elements that Turnitin weighs heavily. This nuanced feedback, available with unlimited scans, turns AI detection from a gatekeeping tool into a learning resource.
Getting Started is Completely Free
No Registration
Visit Reilaa and immediately start scanning. No email, no password, no account creation. Just paste and analyze.
Unlimited Scans
Check your first draft, second draft, final version—as many times as needed. No quotas or restrictions.
Forever Free
Never worry about trials expiring, subscriptions charging, or features disappearing. Free means free, permanently.
Free Tier Comparison: Reilaa vs Competitors
See exactly what you get for free with Reilaa compared to other 'free' AI detectors.
Tool | Free | Unlimited | Turnitin Score | Multi-Model | No Sign-up |
---|---|---|---|---|---|
Reilaa (Free) | ✓ | ✓ | ✓ | ✓ | ✓ |
GPTZero (Free) | ✓ | ✗ | ✗ | ✗ | ✗ |
Copyleaks (Free) | ✓ | ✗ | ✗ | ✗ | ✗ |
Writer.com (Free) | ✓ | ✗ | ✗ | ✗ | ✗ |