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SoCaptions vs RapWorks

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 RapWorks
DetailSoCaptions logo SoCaptionsRapWorks logo RapWorks
What it doesAI video caption generator with word-level timing and MP4 export for short-form video platforms AI rap video generator that turns two photos into a personalized rap duet
StageNot given Not given
FoundedNot given Not given
Based inPL Not given
Pricing modelFreemium Paid
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). One video $6.99, three-video Duo pass $14.99 ($5.00 per video), ten-video Crew pass $39.99 ($4.00 per video). Passes are one-time purchases with no subscription and never expire.
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
  • Scene store with sets and scenes
  • Two separate photo uploads (one face per performer)
  • Original lyrics written for the scene
  • AI-generated rapped vocals and beat
  • Mouth movement lip-sync
  • Vertical 9:16 MP4 video format
  • Watermark-free downloads
  • Renders in 1–3 minutes
  • Browser-based, no app installation
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
  • Scene store catalog with multiple sets and scenes, expanded weekly
  • Two separate photos required allows friends in different cities to collaborate
  • Reuse same two photos across any scene in the catalog
  • Continuous single-shot performance, not a slideshow
  • User requests drive development roadmap
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 checkNot checked yet no change since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)1415
Referring domains (Majestic)478

5 details filled in for both companies.

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