OpenSubs vs RapVideo AI

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 RapVideo AI
Detail	OpenSubs	RapVideo AI
What it does	Free AI subtitle generator that runs entirely in your browser	Turn any photo into an AI rap video with original lyrics, beat and vocals in minutes
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
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).	Free: 4 credits (one 10-second video at 720p, valid 30 days). One-time packs: Single $6.99 (10 credits), Duo Pack $29 (50 credits), Crew Pack $99 (250 credits), Studio Pack $199 (550 credits), Label Pack $499 (1,500 credits). Monthly and yearly subscriptions available with up to 17% savings.
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	Multiple scenes: Hotel Lobby, Studio Booth, Street Cypher, Luxury Lobby AI-generated lyrics or custom lyrics upload AI-generated beat and vocals Lip-sync animation Multiple video formats and resolutions Video rendering in 2-4 minutes No app download required, browser-based Commercial use rights included
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	Creates full rap videos with AI-generated lyrics, beat and vocals from a single photo Supports viral trends like the Hotel Lobby rap duo format Works with people, pets and cartoon characters Free to start with 4 credits and no credit card required
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	0
Referring domains (Majestic)	96	0

4 details filled in for both companies.

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