OpenSubs vs NEON DUO

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 NEON DUO
Detail	OpenSubs	NEON DUO
What it does	Free AI subtitle generator that runs entirely in your browser	A2O LITE NEON AI Dance Generator
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-time credit packs: Starter $9.90 for 50 credits (2 videos at 480p or 1 at 720p), Creator $17.90 for 100 credits (5 videos at 480p or 2 at 720p), Studio $24.90 for 150 credits (7 videos at 480p or 3 at 720p). Each 15-second video costs 20 credits at 480p or 50 credits at 720p. Purchased credits d
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	Upload two portrait photos of consenting adults Assign supporting and lead dancer roles Choose from three scene styles: white studio, lilac stage, or after hours Select landscape 16:9 or portrait 9:16 format Generate at 480p or 720p resolution Receive completion email notification Download silent and music versions of video Private video library with download expiry dates Credits never expire after purchase Review estimate before video generation
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	Independent service not affiliated with A2O LITE or its label Uses bound motion reference for consistent choreography Photos can be taken in different places with different backgrounds Supports up to 10 MB JPG, PNG or WebP photos with 4096 pixel dimensions One-time credit purchases with no subscription 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	20
Referring domains (Majestic)	96	8

4 details filled in for both companies.

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