Both extensions use AI. Both support 50+ languages. But only one reads your email thread and writes your reply for you.
⭐ Write by Voice: 4.7/5⭐ Voicy: 4.4/5
TL;DR: The Quick Verdict
Write by Voice wins overall especially if you spend significant time in Gmail. Its AI-powered email context feature that reads threads and composes smart replies is unmatched.
- Choose Write by Voice if: You’re a heavy Gmail user, LinkedIn writer, or need professional email composition
- Choose Voicy if: You want maximum accuracy, multi-platform (Mac/Windows app) support, and ChatGPT voice integration
A Quick Look at Each Extension
Write by Voice
Write by Voice mic button inside Gmail, AI reads the email thread and composes a reply from your rough voice input.
Voicy
Voicy’s interface, 99%+ accuracy speech-to-text with ChatGPT voice integration and multi-platform support.
Side-by-Side Feature Comparison
| Feature | Write by Voice | Voicy |
|---|---|---|
| AI-Powered Text Polishing | Yes | Yes |
| Email Thread Context | Yes (Unique feature) | No |
| Transcription Accuracy | Very High | 99%+ (Best-in-class) |
| Website Compatibility | 20,000+ sites | Most websites |
| ChatGPT Voice Integration | No | Yes |
| Desktop App (Mac/Windows) | Chrome only | Yes |
| Languages Supported | 50+ | 50+ |
| Local-Only Privacy | No audio stored | Local-only transcripts |
| Automatic Grammar Fix | Yes | Yes |
| Free Tier | Yes | Yes |
Write by Voice — Deep Dive
The Killer Feature: AI-Powered Email Composition
Write by Voice’s standout feature is unmatched in the market: it reads full Gmail email threads and composes contextually appropriate replies from your rough voice input. This isn’t just transcription, it’s intelligent email authoring.
Imagine saying: “Reply to Sarah about the project deadline, tell her we’re on track and need two more weeks.” Write by Voice reads the entire conversation thread, understands the context, and composes a professional, contextually relevant response that maintains the conversation’s tone. This saves hours across a week of email-heavy work.
Universal Web Integration
With support for 20,000+ websites, Write by Voice goes far beyond email. Whether you’re composing a LinkedIn post, writing a Slack message, filling out a Notion form, or updating a CRM, Write by Voice’s floating microphone is there. No context-switching. No copy-pasting from a notepad.
Pros
- Email threading intelligence, no other tool does this
- AI polishes rough, spoken words into professional text
- Works across 20,000+ websites seamlessly
- 4.7/5 Chrome Web Store rating
- 50+ languages with AI-polished output in all
- No audio stored, privacy first
Cons
- AI features require premium plan
- Chrome-only (no desktop app)
- Newer product, smaller user community
Voicy — Deep Dive
Voicy is the accuracy champion. Its 99%+ transcription rate across 50+ languages is genuinely best-in-class, making it ideal for technical content, medical notes, or any workflow where precision matters. It also ships with auto-grammar correction, making output immediately usable.
ChatGPT Integration
Voicy’s integration with ChatGPT is a standout feature, you can speak directly to ChatGPT without touching your keyboard. For users who work with AI prompting daily, this is a powerful workflow shortcut that Write by Voice doesn’t offer.
Multi-Platform Support
Voicy goes beyond Chrome with desktop apps for Mac and Windows. If your work lives outside the browser in native apps, text editors, or IDEs. Voicy has you covered where Write by Voice doesn’t.
Pros
- 99%+ transcription accuracy, industry-leading
- Mac and Windows desktop apps
- ChatGPT voice integration
- Local-only transcript storage (no cloud)
- Automatic punctuation and grammar
Cons
- No email thread context or composition
- Per-transcript pricing can add up for heavy users
- No mobile app
Pricing Comparison
| Plan | Write by Voice | Voicy |
|---|---|---|
| Free Tier | Yes, generous free limits | Yes |
| Pricing Model | Subscription, predictable monthly cost | Per-transcript (pay-as-you-go) |
| Best For | Regular daily users | Occasional or light users |
Which Tool Is Right for Your Use Case?
| Use Case | Best Choice | Why |
|---|---|---|
| Heavy Gmail / Email Users | Write by Voice | Thread-aware email replies are unmatched |
| LinkedIn Content Creators | Write by Voice | AI polishes posts automatically |
| Technical Writers / Developers | Voicy | 99%+ accuracy for technical content |
| ChatGPT Power Users | Voicy | Direct voice-to-AI integration |
| Desktop App Users | Voicy | Mac and Windows apps available |
| Overall Productivity | Write by Voice | AI handles writing quality, not just transcription |
The Verdict
Voicy is an excellent tool, its accuracy is genuinely best-in-class, and the ChatGPT integration is a real differentiator for AI-heavy workflows. If you need desktop-level dictation everywhere on your Mac or Windows machine, or if precision transcription is your priority, Voicy is worth it.
But for the vast majority of professionals who live in Gmail and web apps, Write by Voice is the smarter choice. The email thread intelligence feature is unique, no other extension understands conversation context and composes replies accordingly. That’s not just transcription. That’s a productivity multiplier.
Frequently Asked Questions
Can I use both extensions at the same time?
Yes, you can install both and use Write by Voice for Gmail/web apps while using Voicy’s desktop app for other applications. They don’t conflict.
Which has better accuracy?
Voicy claims 99%+ accuracy and it’s genuinely best-in-class. Write by Voice has high accuracy too, but its bigger advantage is that the AI polishes and composes, making the final output better regardless of raw transcription accuracy.
Is Write by Voice free?
Yes, Write by Voice has a free tier. The premium plan unlocks the full AI email composition and advanced polishing features.
This article is based on publicly available information from official websites and user reviews as of March 2026.
blog.writebyvoice.com 
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