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Echoo

Echoo vs Helios

Compare Echoo and Helios for system-wide AI writing on macOS. Free and open source vs freemium subscription.

Feature Comparison

Feature
Echoo
Helios
Price
Free & open source
Free (30 requests/month); $5.99-12.99/month
AI Provider
Bring your own key - any provider
Helios-provided AI (proprietary)
Voice Dictation
Yes, local AI speech-to-text (25 languages)
No
Local LLM
Ollama, LocalAI, LiteLLM
No
File Processing
Process files from Finder
No file processing
Request Limits
Unlimited (your API key)
30 free requests/month
Marketplace
Community command marketplace
No
Open Source
Yes
No

Why Choose Echoo

Unlimited usage with no monthly request caps
Bring your own AI provider for full control
Local LLM support for complete privacy
Built-in voice dictation
File processing from Finder
Free and open source forever

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.

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Try Echoo for Free

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