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SonicCaption vs SubGrab

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 SubGrab
DetailSonicCaption logo SonicCaptionSubGrab logo SubGrab
What it doesReal-time bilingual subtitles on any tab Free AI-powered video transcript extractor for 30 platforms
StageNot given Not given
FoundedNot given Not given
Based inUS AU
Pricing modelFreemium Not given
PricingFree: $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%. Free Starter: 2 free credits on signup. Micro: 5 credits for $3.99. Starter: 15 credits for $5.99. Popular: 40 credits for $11.99. Pro: 100 credits for $22.99. Power: 250 credits for $44.99. Credits never expire. First purchase includes bonus credits.
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
  • Extract captions from 30 video platforms including YouTube, TikTok, Vimeo, Twitch, Loom, and others
  • AI transcription using OpenAI's Whisper with 95% accuracy on clear English speech
  • Support for 90+ languages
  • Download transcripts as TXT, SRT, or VTT with timestamps
  • Speaker labels for AI transcripts to identify who is speaking
  • AI-powered video summaries with key takeaways and chapter markers
  • Support for videos up to 10 hours (16 hours for YouTube and select streaming platforms)
  • Upload audio and video files for transcription
  • Copy transcripts to clipboard or read online
  • Automatic credit refund if transcription fails
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
  • Works with 30 platforms without needing browser extensions or software installation
  • Can extract transcripts even when videos have no captions using AI
  • Supports Vimeo transcription unlike YouTube's built-in transcript viewer
  • Credits never expire
  • Private and secure with no tracking cookies or data selling
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)11 −1 (down) since last check1 −1 (down) since last check
Trust Flow (Majestic)100
Citation Flow (Majestic)278
Referring domains (Majestic)1154

5 details filled in for both companies.

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