Simple, transparent pricing
Start free. Upgrade when you need more.
Free
forever free
- ✅ 3 text checkings per day
- ✅ Grammar & style scoring
- ✅ Sentence-level corrections
- ✅ AI-powered correction
- ✅ 5 correction intensities
- ✅ PDF / DOCX / TXT upload
- ✅ Multi-version management
Pro
per document · one-time delivery
- ✅ Deep Deep-style optimized text
- ✅ All Free features
- ✅ One-click submission-ready output
- ✅ Writing improvement report per document
- ✅ Passive voice reduction
- ✅ CEFR level assessment
- ✅ Plagiarism similarity check
- ✅ Email delivery + download link
Plan comparison
| Feature | Free | Pro |
|---|---|---|
| Daily usage | 3 free | Pay per document |
| Grammar & style score | ✅ | ✅ |
| Sentence-level corrections | ✅ | ✅ |
| AI-powered correction | ✅ Basic | ✅ Deep-style optimized |
| 5 correction intensities | ✅ | ✅ |
| PDF / DOCX / TXT upload | ✅ | ✅ |
| Multi-version management | ✅ | ✅ |
| Deep-style optimized text | — | ✅ Per document, natural flow |
| Writing improvement report | — | ✅ Per check |
| Passive voice reduction | — | ✅ |
| CEFR level assessment | — | ✅ |
| Email delivery | — | ✅ |
Frequently asked questions
What payment methods do you accept?
We process payments through Paddle — all major credit/debit cards, PayPal, Apple Pay, and Google Pay are supported. Paddle handles global tax compliance (VAT, GST) automatically.
Is this a subscription?
No. You pay $9.99 per document, one time. Each purchase generates one submission-ready text + Writing improvement report for that specific document. You keep the output forever.
What's your refund policy?
Due to the digital nature of our products, all sales are final. If you experience technical issues, contact us and we'll make it right. Full refund policy →
Do I still need my own API key?
Yes. Both Free and Pro plans use your own DeepSeek API key. DeepSeek offers 5 million free tokens for new users — that's ~500 text checkings. Pro unlocks unlimited usage on our side; API costs are handled separately.
How does license activation work?
After purchase, you'll receive a license key by email. Paste it on the homepage to activate Pro instantly. Your license is tied to your browser — clear your cache and you can reactivate with the same key.