See the difference at a glance.
Grammarly is a grammar and spelling checker. You type — or dictate — text, and it flags errors, tightens sentences, and suggests clearer phrasing on what you've already written. It's a polishing layer on top of typing.
Sayona is a voice writing tool — a voice to text chrome extension built so you can skip typing entirely. It does five things Grammarly doesn't: smart transcription that turns messy speech into clean, grammar-perfect, filler-free writing; instruction following, so “write a follow-up email for today's meeting” generates the whole thing; select-and-rewrite, where you highlight existing text and change it by voice; platform-aware output that adjusts tone and format automatically (professional in Gmail, casual in Slack, punchy on LinkedIn); and personalization to your profession, custom context, and a personal dictionary.
Grammarly still wins at one thing: grammar and spelling checks on text you typed yourself — and both work across the web with a free tier. But they solve different jobs. Grammarly edits what you typed; Sayona writes from what you spoke. If you want dictation for Gmail that comes out ready to send instead of a transcript to fix, Sayona is built for it. Many people draft by voice in Sayona, then run Grammarly for a final polish.
Google Voice Typing is the dictation feature inside Google Docs. It does raw speech-to-text: it types every word exactly as you say it, ums and false starts included, and only works in Docs. It's free and can run offline.
Sayona is a voice writing tool, not a raw dictation engine. Its smart transcription removes filler words and fixes grammar so the output reads like finished writing. Beyond that it follows spoken instructions, lets you select text and rewrite it by voice, adjusts tone and format for the platform you're in, handles backtracking and false starts, and personalizes to your profession and a personal dictionary. And it works anywhere there's a text field — making voice typing for Gmail, a dictation tool for Slack, or speech to text Chrome workflows for LinkedIn and Notion possible, not just Google Docs.
The trade-offs are clear. Google Voice Typing is free and works without internet, but you get a literal transcript to clean up by hand. Sayona needs an internet connection — it processes in the cloud — but produces polished, send-ready writing across the whole web. Best for Sayona: polished writing anywhere. Best for Google: quick, free, raw dictation inside Docs.
Otter.ai is a meeting transcription tool. It records conversations, identifies speakers, and produces searchable transcripts and summaries — built to capture meetings, interviews, and lectures after the fact.
Sayona is a voice to text for writing tool. Instead of recording a conversation, it writes directly into whatever text field you're in. Its five capabilities make it a writing tool rather than a recorder: smart transcription that cleans up your speech; instruction following to generate emails, posts, and messages on command; select-and-rewrite for revising text by voice; platform-aware output that matches the tone of Gmail, Slack, or LinkedIn; and personalization to your profession and dictionary.
Otter cleans up audio too, but its cleanup is meeting-focused (transcripts and summaries), and it can't write into your Gmail compose box or Slack message. Both are Chrome-friendly with free tiers. The choice is about the job: if you need meeting notes with speaker labels, use Otter; if you want an alternative to Otter for writing — composing messages and documents by voice across platforms — Sayona is what you want. Many people use both: Otter to record the meeting, Sayona to write the follow-up.
Of everything here, Wispr Flow is closest to Sayona — both are full voice writing tools with smart transcription, instruction following, select-and-rewrite, and platform-aware tone. If you've used Wispr, Sayona will feel familiar.
The differences are platform and access. Wispr Flow is a desktop app: it works system-wide across any application and processes locally on your device, but it requires installation and a paid subscription. Sayona is a voice writing chrome extension: it lives in the browser, processes in the cloud, and offers a free tier — 50 transcriptions a month, no card. There's zero install friction; you add it from the Chrome Web Store in one click and start speaking. Sayona also adds a personal dictionary and profession-based personalization on top of the shared feature set.
So the decision comes down to where and how you write. If you need voice writing in every desktop app — including native apps outside the browser — with on-device processing and you're happy to pay, Wispr Flow is excellent. If most of your writing happens on the web — Gmail, Slack, LinkedIn, docs, AI chat prompts — and you want a free voice to text tool with no setup, Sayona is the simpler Wispr Flow alternative.
ChatGPT, Claude, and Gemini are powerful AI assistants for reasoning, research, and long-form generation. But for everyday writing they share a workflow problem: they live in a separate tab. You switch apps, type a prompt, copy the answer, switch back, and paste it into your email or message.
Sayona removes that loop. As a voice writing chrome extension, it writes directly in the text field you're already in — Gmail, Slack, LinkedIn, WhatsApp, a doc, or even an AI chat box itself. There's no copy-paste workflow and no tab-switching. It's voice-first: you speak instead of typing prompts. It follows spoken instructions, lets you select text and rewrite it in place, and adjusts tone and format to the platform automatically — none of which a chat window does on its own.
For complex reasoning, deep research, or very long documents, the big AI chats are stronger, and they're free to use. For quick, polished writing scattered across the platforms you already work in, Sayona is faster. If you've been looking for an alternative to ChatGPT for writing — specifically voice writing without copy paste — that's exactly the gap Sayona fills. Best for Sayona: quick writing across platforms. Best for AI chats: complex tasks.
Free forever · 50 transcriptions a month · No card needed