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OpenSubs vs Polysh

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 Polysh
DetailOpenSubs logo OpenSubsPolysh logo Polysh
What it doesFree AI subtitle generator that runs entirely in your browser Turn screen recordings into narrated product videos
StageNot given MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Free trial
PricingFree: 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 during early access. After early access ends, pricing will be based on credits charged per minute of finished video and per added language. Exact rates to be announced.
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
  • AI script rewriting and editing
  • AI voiceover with 16 languages
  • Automatic click zoom and sync
  • Step-by-step guides as page or PDF
  • SRT and VTT captions
  • Chrome recorder and Mac app
  • Workspace with SSO and roles
  • Share links with viewer analytics
  • Credit estimate before export
  • Backgrounds, music, and speed presets
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
  • Real footage never generated, only script and voice rewritten
  • Full approval workflow before export
  • Agents can record and create videos automatically
  • Keeps original recording unchanged
  • No training on user content
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)33 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)100
Citation Flow (Majestic)300
Referring domains (Majestic)960

4 details filled in for both companies.

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