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Echoo

Echoo vs Grammarly

Compare Echoo and Grammarly for macOS. Free, open-source AI text transformation vs subscription-based grammar checker.

Feature Comparison

Feature
Echoo
Grammarly
Price
Free & open source
Free tier limited; Premium $12/month
AI Provider
Bring your own key (OpenAI, Claude, Gemini, local)
Proprietary Grammarly AI only
Privacy
Text goes direct to your AI provider or stays local
All text processed on Grammarly servers
Local/Offline Mode
Yes, with Ollama or LocalAI
No, requires internet
Voice Dictation
Yes, local speech-to-text (25 languages)
No
Custom Commands
Unlimited custom AI commands
Limited to Grammarly's built-in features
Translation
Any language pair via AI
No translation feature
Code Support
Code review, error explanation, refactoring
No code support
Open Source
Yes, fully auditable
No, proprietary

Why Choose Echoo

100% free with no subscription or feature limits
Full privacy control - use local models for zero data exposure
Voice dictation with on-device processing
Translation, code review, and custom AI commands beyond grammar
Open source and community-driven marketplace
Works with any AI model you choose

Frequently Asked Questions

Explore More

Fix Grammar on Mac with AI Shortcuts

Instantly fix grammar, spelling, and punctuation in any Mac app using Echoo AI shortcuts. No copy-pasting, no tab switching.

Translate Text on Mac Without Leaving Your App

Translate text between any languages instantly on macOS using Echoo AI shortcuts. No browser tabs, no copy-pasting.

Summarize Any Text on Mac Instantly

Summarize long articles, emails, and documents on macOS with a keyboard shortcut. AI-powered text summarization with Echoo.

AI Voice Dictation for Mac

Use AI-powered voice dictation on macOS with Echoo. Local speech-to-text with 25 language support, no cloud required.

OpenAI Integration

Connect Echoo to OpenAI GPT models for powerful AI text transformation on macOS. Use GPT-4, GPT-5, and more with keyboard shortcuts.

Anthropic Integration

Connect Echoo to Anthropic Claude models for thoughtful, nuanced AI text transformation on macOS. Claude Opus, Sonnet, and Haiku.

All comparisons All use cases All integrations

Try Echoo for Free

100% free, open source, and privacy-first. See why users prefer Echoo.