Our Verdict
Based on ratings, features, pricing, and capabilities, DeepL edges ahead in this comparison. DeepL scores higher on user ratings and overall feature set.
Feature
DeepL
Grammarly
Rating
No ratings
No ratings
Free Plan
Starting Price
$8.74/mo
$15/mo
Monthly Visits
250.0M
200.0M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
3 apps
5 apps
Team Size
ENTERPRISE
SMB
DeepL Pros & Cons
Pros
- Superior translation accuracy compared to Google Translate
- Excellent handling of idioms and context
- Great desktop app
Cons
- Fewer languages supported than Google Translate
- Free tier has character limits for documents
Grammarly Pros & Cons
Pros
- Works everywhere via browser extension
- Catches subtle contextual errors other tools miss
- Excellent for non-native English writers
Cons
- Premium is required for most useful features
- Privacy concerns with document processing
- Suggestions can be overly prescriptive
DeepL Key Features
- Document translation
- Glossary
- Tone adjustment
- API
Grammarly Key Features
- Real-time Grammar Checking
- Tone Detection & Suggestions
- Plagiarism Detection
- Grammarly GO AI Writer
- Style Guide (Business)