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Square9 vs Coda One

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Square9 compared with Coda One
DetailSquare9 logo Square9Coda One logo Coda One
What it doesAI call and meeting recorder that files notes automatically and answers questions by text AI writing tools to detect, humanize, rewrite and check grammar
StageNot given Startup
FoundedNot given 2026
Based inNO GB
Pricing modelNot given Freemium
PricingBasic plan $22/user/month (1 email and calendar account, AI-generated emails, automatic drafts, write notes). Pro plan $37/user/month, most popular (unlimited mailboxes and calendars, unlimited AI-generated emails, AI Meeting Notetaker, reads attachments, inbox triage, priority 24/7 support). Enterp Free: unlimited AI Detector, 3 daily uses on writing tools, 5 of 9 humanizer modes, 5 of 8 rewriter tones. Starter $9.99/mo (or $7.99/mo annually): 30K words/month, every humanizer and rewriter mode, 500 words per process. Pro $19.99/mo (or $15.99/mo annually): 100K words/month, no per-request word
Key features
  • Press #9 to record calls without opening an app or adding a bot
  • Mobile app to record in-person meetings by laying phone on the table
  • Text-based AI assistant answers work questions from calls, meetings, notes and tasks
  • Desktop app records Zoom, Teams and Google Meet without a bot
  • Email draft generation with AI that sounds like you
  • Inbox triage and sorting by project and urgency
  • Audio is deleted after transcription, only text and summaries are kept
  • Reads email attachments for full context in meeting notes and drafts
  • Unlimited free AI detector with no daily limit or signup required
  • AI Humanizer with 9 writing modes including Standard, Academic, Blog, Formal, and Simple
  • Statistical detection engine that processes text on own servers with no third-party sharing
  • AI Rewriter with 8 different tones
  • Grammar Checker tool included in all plans
  • Chrome Extension for in-browser humanizing and detection
  • Brand Voice feature for maintaining consistent tone across 1-3 voices depending on plan
  • Re-humanize function to generate genuinely different drafts at higher variation
What makes it different
  • Records calls and meetings on your existing phone without changing your number or system
  • No bot or third party joins calls or meetings, only your own device records
  • Answers work questions by text between meetings without opening a laptop
  • Automatically files all recordings against the right customer, project and company
  • AI drafts professional emails that sound like you from conversation context
  • Unlimited free AI detector with no daily limits, while competitors limit guests to 3 scans per day
  • Published accuracy rates with measured false-positive and false-negative rates instead of unverifiable claims
  • Integrated detect-then-fix workflow keeping flagged drafts in one tool instead of switching between products
  • Privacy-first approach with AI Detector processing text on own servers with no third-party access
  • Browser-first start with no extension setup or account creation required before first use
Community votes00
DR (Domain Rating by Ahrefs)2 +1 (up) since last check23 +1 (up) since last check
Trust Flow (Majestic)06
Citation Flow (Majestic)2017
Referring domains (Majestic)17205

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