Echoo vs Hapi

Hapi and Echoo both offer local voice dictation on macOS, but they serve different levels of ambition. Hapi is a focused, lightweight dictation tool - you press a hotkey, speak, and your words appear as text. It does this one thing reliably with 98-99% accuracy and zero cloud dependency. If all you need is fast, accurate speech-to-text with minimal setup, Hapi is a solid free option. Echoo, however, treats voice dictation as a starting point rather than an endpoint. After you dictate, Echoo can automatically post-process your speech using AI - fixing grammar, adjusting tone, translating to another language, or reformatting your words into a professional email. This Voice Instruct mode turns dictation into a complete writing workflow. Beyond voice, Echoo offers a full AI text transformation suite: select any text in any app, press a shortcut, and have it rewritten, summarized, translated, or analyzed by GPT-5.2, Claude, Gemini, or local LLMs. Echoo also includes file processing from Finder and a community command marketplace. The trade-off is complexity: Hapi is install-and-go with no configuration, while Echoo offers more power but requires setting up an AI provider for text transformation features. For users who only need dictation, Hapi is perfectly adequate. For users who want dictation plus intelligent text processing in a single tool, Echoo delivers significantly more value.