SonicCaption vs echo99
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
SonicCaption compared with echo99
| Detail | 
SonicCaption | 
echo99 |
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| What it does | Real-time bilingual subtitles on any tab
| Record, transcribe, and summarize calls on your Mac
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| CZ
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| Pricing model | Freemium
| Free
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| Pricing | Free: $0, 20 minutes per month. Starter: $10/month, 8 hours per month. Pro: $20/month, 20 hours per month. Power: $39/month, 50 hours per month. Ultra: $79/month, 120 hours per month. Team/Enterprise: Custom pricing. Yearly plans save 30%.
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| Key features | - Real-time bilingual captions on any website with audio
- Works with YouTube, Netflix, Twitch, Zoom, Google Meet, and more
- Low-latency subtitles appearing in ~0.5 seconds
- Dual subtitles showing original and translation simultaneously
- No file uploads required
- Privacy-aware audio processing
- Shared team minute pool with per-member usage tracking
- Team roles with clear permissions
| - Records microphone and system audio as separate WAV files
- Local transcription in 25 European languages
- Automatic speaker identification and voice matching
- Automatic call recording with one-time setup
- AI-powered meeting summaries with key points and action items
- Works with Zoom, Teams, Google Meet, FaceTime, Webex, and browser calls
- Live transcript preview in floating window during calls
- Recordings stored locally as plain WAV, JSON, and Markdown files
- Handles mid-call audio device changes without interruption
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| What makes it different | - Subtitles appear in ~0.5 seconds, fast enough for live streams
- No manual file uploads needed
- Universal browser compatibility with any audio tab
- Dual subtitles showing both languages simultaneously
- Built by a software engineer who uses it daily
| - No meeting bot joins the call—recording happens entirely on your Mac
- All audio, transcripts, and processing stay on your Mac with no uploads
- Free with no account, signup, or subscription required
- Speaker voices recognized across calls without cloud processing
- Works offline after initial model downloads
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ▼ −1 (down) since last check | 18 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 10 | 13 |
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| Citation Flow (Majestic) | 27 | 27 |
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| Referring domains (Majestic) | 115 | 36 |
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5 details filled in for both companies.
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