OpenSubs vs RapWorks

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

OpenSubs compared with RapWorks
Detail	OpenSubs	RapWorks
What it does	Free AI subtitle generator that runs entirely in your browser	AI rap video generator that turns two photos into a personalized rap duet
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Paid
Pricing	Free: transcription, translation on-device, all 12 subtitle styles, word-by-word highlighting, trimming, burning into video, and all export formats. Credits: $5 for 1,000 credits for cloud translation (approximately 1 credit per 30 subtitle lines).	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	Speech recognition in the browser using Whisper Translation to 20 languages including Chinese, Japanese, Korean, Spanish, Portuguese, French, German, Italian, Russian, Arabic, Hindi, Indonesian, Thai, Vietnamese, Turkish, Polish, Dutch and Ukrainia Burn subtitles into MP4 without watermark Export to SRT, VTT, ASS and TXT formats Live subtitles over video playing in browser tabs via extension Support for multiple video formats including MP4, MOV, WebM and MKV No server processing—all work runs locally on user's machine	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	100% browser-based with no uploads—the video never leaves your machine Completely open source under AGPL-3.0-or-later so you can verify the code Free forever for transcription, styling and burning—pay only for optional cloud translation No watermark, no file-size limit, no queue, and no account needed to try	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	34 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	0
Citation Flow (Majestic)	30	15
Referring domains (Majestic)	96	8

4 details filled in for both companies.

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