OpenSubs vs Instories

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 Instories
Detail	OpenSubs	Instories
What it does	Free AI subtitle generator that runs entirely in your browser	AI-powered platform for creating animated stories and social videos
Stage	Not given	Established
Founded	Not given	2018
Based in	Not given	CY
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 tier available with limited features; paid plans available for additional features and capabilities
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	Over 300 stylish templates for stories, reels, shorts, and posts AI video generation with text-to-video scenes AI voiceover and auto-synced subtitles Auto-branding with logo, fonts, and colors AI script generator for business videos Team collaboration and commenting features Stock library with business-ready footage and icons Image generator and AI shorts creation Remove background tool Multi-format video export for social platforms
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	Daily trend reviews and content categories updated twice a week Virality Score to estimate post performance potential All-in-one platform combining design, AI, and business tools Used by 15 million users creating 30 million videos monthly
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	44 no change since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	30	27
Referring domains (Majestic)	96	262

4 details filled in for both companies.

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