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SoCaptions vs B-Roll AI

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

SoCaptions compared with B-Roll AI
DetailSoCaptions logo SoCaptions B-Roll AI
What it doesAI video caption generator with word-level timing and MP4 export for short-form video platforms Match your camera roll to trending audios
StageNot given Not given
FoundedNot given Not given
Based inPL TR
Pricing modelFreemium Freemium
PricingFree tier: 5 minutes of transcription, edit-only (no export). Pro monthly: $5/month with 100 minutes of transcription and 100 minutes of MP4 export per month. Pro yearly: $50/year (pay 10 months, get 12). Free plan forever. B-Roll AI Pro: $4.99/mo or $29.99/yr with free trial available
Key features
  • Word-level AI timing for precise caption synchronization
  • AI transcription with automatic language detection (99 languages)
  • Viral-ready caption presets (Bold Outline, Box, Cinematic, Karaoke, Emphasis, Animated)
  • Burned-in MP4 export with no watermark
  • SRT and VTT subtitle format export
  • Drag-and-drop editor with word-level timing adjustment
  • Fast transcription (12 seconds for 60-second clip)
  • Support for large video files (up to 5 GB)
  • Free subtitle conversion tools (SRT, VTT, ASS formats)
  • Safe zone preview for TikTok and Instagram Reels
  • On-device video tagging with Apple Vision framework
  • Live trend inbox with rising and peaking audios refreshed daily
  • Trend lifecycle tracking to alert before trend dies
  • Built-in video editor with trim, speed, 9:16 crop, beat-sync
  • Beat-sync waveform display for audio alignment
  • Speed control with pitch preservation: 0.5x, 1x, 1.5x, 2x
  • Dual audio mixing for trend and original sound
  • Push notifications for trend matches
  • No sign-up required, works immediately upon photo access
  • Local-first privacy with minimal cloud footprint
What makes it different
  • Word-level caption timing instead of block-level for tighter rhythm and precise control
  • No watermark on exported videos; clean MP4s ready to publish immediately
  • Burned-in captions survive downloads, reposts, and all players without separate subtitle files
  • Free tier with 5 minutes of editing; no credit card required to try
  • 99-language auto-detection including mixed-language video support
  • On-device scanning keeps your videos private and never uploaded to servers
  • Alerts before trends peak so you can post while they still have reach
  • Built-in editor with beat-sync means no need for separate editing apps
  • Finds existing footage in your camera roll instead of starting from scratch
  • No accounts or sign-up required to start using
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)5 −2 (down) since last check25 −1 (down) since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)1415
Referring domains (Majestic)475

6 details filled in for both companies.

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