Start free with 1,000 credits. Upgrade for sentence-level highlights, longer scans, plagiarism checks or a shared team account.
Try the detector on a few pieces of writing before you pick a plan.
$0/month
Free forever
1,000 credits to start
One-time, no card needed
What's included in Free
For students and freelancers who check their own drafts each week.
Was $15$12/month
$144 billed yearly
80,000 credits / month
About 65 essays checked for AI
What's included in Essential
For teachers and editors who need AI and plagiarism checks together.
Was $25$20/month
$240 billed yearly
200,000 credits / month
About 165 essays checked for AI
What's included in Advanced
For departments and content teams sharing credits.
Was $45$36/month
$432 billed yearly
500,000 credits / month
Shared across 5 included seats
What's included in Team
Custom credit volumes and the controls your IT and academic integrity teams ask for.
Cancel anytime
No contracts. Your plan simply ends with the billing period.
No card for Free
Sign up with an email address and start scanning.
Secure payments
Handled by a PCI-compliant processor. We never see your card.
1 credit = 1 word
For AI checks. How credits work
Every plan includes AI detection. Here's how the rest stacks up.
| Feature | FreeStart free | Essential | Team | |
|---|---|---|---|---|
| AI detection | ||||
| Credits | 1,000 once | 80k / month | 200k / month | 500k / month |
| Words per scan | 1,500 | 25,000 | 50,000 | 50,000 |
| Sentence-level highlights | Not included | Included | Included | Included |
| Detects current modelsChatGPT, Claude, Gemini, Llama and more | Included | Included | Included | Included |
| Paraphrase and humanizer detection | Not included | Included | Included | Included |
| Languages | English | 14 | 14 | 14 |
| Plagiarism | ||||
| Plagiarism checkWeb pages and your library | Not included | Not included | Included | Included |
| Matched sources with links | Not included | Not included | Included | Included |
| Exclude quotes and references | Not included | Not included | Included | Included |
| Check against your own past submissions | Not included | Not included | Not included | Included |
| Reports & sharing | ||||
| Scan history | 7 days | Unlimited | Unlimited | Unlimited |
| Shareable report links | Not included | Included | Included | Included |
| PDF report export | Not included | Included | Included | Included |
| Files & formats | ||||
| Paste text | Included | Included | Included | Included |
| DOCX upload | Included | Included | Included | Included |
| PDF and TXT upload | Not included | Included | Included | Included |
| Images and handwritingText is read with OCR | Not included | Not included | Included | Included |
| Batch upload | Not included | Not included | 20 files | 100 files |
| Browser extension | Included | Included | Included | Included |
| Team & admin | ||||
| Seats | 1 | 1 | 1 | 5 included |
| Pooled credits | Not included | Not included | Not included | Included |
| Admin dashboard | Not included | Not included | Not included | Included |
| Roles and permissions | Not included | Not included | Not included | Included |
| Support | ||||
| Help center | Included | Included | Included | Included |
| Email support | Not included | Included | Included | Included |
| Response time | Not included | 2 business days | 1 business day | Same day |
| Onboarding call | Not included | Not included | Not included | Included |
Credits measure how much you scan. Each check has a fixed cost, and you see the total before a scan runs.
If a scan fails or you cancel it, the credits go straight back to your balance.
The short answers about credits, plans and payments.
Something else? Visit the help center or send us a message.
Credits measure how much you scan. An AI check uses 1 credit per word and a plagiarism check uses 2. Before a scan runs, we show how many credits it will use, so there are no surprises.
Unused credits roll over for as long as your subscription is active. On yearly plans you still receive credits monthly, which keeps usage even across the year. The Free allowance doesn't expire.
Yes. Upgrades apply straight away and we credit the unused part of your current plan. Downgrades and cancellations take effect at the end of the billing period, and you keep access until then.
Students get 30% off Essential and Advanced with a school email address. Schools and universities can buy credits in bulk with LMS integration and a central admin dashboard. Contact sales for a quote.
Your text is used only to run your scan. We never train models on it or add it to a public index. You can delete any scan from your history, and it's removed from our servers within 24 hours.
All major credit and debit cards, Apple Pay and Google Pay. Team and school plans can also pay by invoice. Payments are handled by a PCI-compliant processor, so we never see your full card number.
No card and no trial clock. Scan a few real pieces of writing, then upgrade when you need more.