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FeedDub vs 30 Seconds of Knowledge

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

FeedDub compared with 30 Seconds of Knowledge
DetailFeedDub logo FeedDub30 Seconds of Knowledge logo 30 Seconds of Knowledge
What it doesHear any video in your own language Keep your engineering skills sharp with one real code snippet on every new tab
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: 2 new videos a day without sign-in, or 3 days unlimited with Google sign-in. Membership Monthly: $2 per month, no limit on videos, renews automatically. Membership Single month: $2 one month, one payment, no automatic renewal. Free
Key features
  • One-click dubbing in video players
  • Works on YouTube, Netflix, Bilibili, TED, and Coursera
  • Original audio remains audible in background
  • Speech recognition when captions unavailable
  • Prepares dubbing in advance to reduce latency
  • Resynchronizes when scrubbing video
  • No need to sign in to start using
  • Support for JavaScript, Python, React, Git, C++, C#, CSS, Dart, Go, HTML, PHP, and Interview Questions
  • Live Preview for CSS snippets
  • Random snippet or browse favorites and all snippets
  • Available on Chrome, Firefox, Edge, Brave, and Arc
  • Open source project on GitHub
What makes it different
  • Dubbed audio allows watching without reading subtitles
  • Prepared audio eliminates waiting time on rewatches
  • Low flat rate with no per-video or per-minute charges
  • Works reliably end to end without dropping out
  • Tight sync keeps voice aligned with video throughout
  • Helps prevent engineering skill atrophy in the age of AI
  • One real code snippet delivered every new tab without requiring courses or streaks
  • 25,000+ developers using the extension with 1,000+ GitHub stars
  • Featured as #2 Product of the Day on Product Hunt
  • 5-star rating on Chrome Web Store
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)1 no change since last check9 no change since last check
Trust Flow (Majestic)74
Citation Flow (Majestic)2320
Referring domains (Majestic)2373

5 details filled in for both companies.

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