Simple, transparent pricing
No per-check fees. No hidden costs. Just unlimited plagiarism detection.
Free
Try MOSS Checker risk-free
$0
/forever
No credit card required
- ✓ 10 free checks
- ✓ All 25+ languages
- ✓ Basic reports
- ✓ 7-day storage
Pure Unlimited
For individual educators
$20
/month
Billed monthly
- ✓ Unlimited checks
- ✓ All 25+ languages
- ✓ Full API access
- ✓ Email support
Most Popular
Ultimate Unlimited
For growing teams
$100
/month
Billed monthly
- ✓ Everything in Pure
- ✓ No rate limits
- ✓ 30-day storage
- ✓ Priority support
Enterprise
For large organizations
$1000
/month
Billed monthly
- ✓ Everything in Ultimate
- ✓ Unlimited storage
- ✓ Dedicated support
- ✓ SLA guarantee
🛡️
30-Day Money Back Guarantee
Not satisfied? Get a full refund within 30 days, no questions asked.
Frequently Asked Questions
What is MOSS?
MOSS (Measure of Software Similarity) is a plagiarism detection system developed at Stanford University. It's the most trusted tool for detecting code similarity.
Are there any per-check fees?
No! All paid plans include unlimited checks. You only pay the monthly subscription fee.
Can I cancel anytime?
Yes! Cancel anytime. Your access continues until the end of your billing period.
Do you offer educational discounts?
Yes! Contact us with your .edu email for special educational pricing.