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FastTranscriber vs DuoCast

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

FastTranscriber compared with DuoCast
DetailFastTranscriber logo FastTranscriberDuoCast logo DuoCast
What it doesConvert audio and video to text online with fast AI transcription Turn any document into a two-voice podcast you can listen to on your commute
StageStartup Not given
Founded2026 Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingFree: 2 uploads per day, 20-minute transcript previews, saved history, TXT and SRT export. Pro Monthly: $20/month. Pro Annual: $120/year (equivalent to $10/month, save 50%). Free: 3-minute preview of any episode with spoken-intro watermark, no download. Pro: $12/mo for unlimited episodes up to 50,000 characters, MP3 downloads, no watermark, priority queue. Credit pack: $9 for 20 full episodes up to 50,000 characters with MP3 downloads, credits never expire, no subscript
Key features
  • 99.8% accuracy with Whisper technology
  • Support for 98+ languages
  • Upload files up to 15 GB
  • Unlimited transcription minutes on Pro plan
  • Speaker recognition
  • Export as TXT, SRT, and VTT formats
  • Saved transcript history
  • GPU-powered ultra-fast processing
  • Private and secure transcription
  • Support for MP3, MP4, WAV, M4A, FLAC, OGG, AAC, and more
  • Paste text, PDF, DOCX upload, or article URL input
  • Two-host conversational format with Q&A dialogue
  • Self-hosted speech synthesis models
  • 5–15 minute episodes with chapters and synced transcript
  • MP3 download capability on Pro plan
  • Free 3-minute preview on any document
  • Priority queue processing for Pro subscribers
  • Support for documents up to 50,000 characters
  • No watermark on Pro and Credit pack episodes
What makes it different
  • GPU-powered transcription processes audio and video to text in seconds
  • 99.8% accuracy with Whisper AI technology
  • Support for 98+ languages including challenging language combinations
  • Unified interface for both audio and video files
  • Large file support up to 15 GB with unlimited minutes
  • Two-voice dialogue format keeps listeners engaged better than monotone reading
  • Self-hosted voice models optimized specifically for natural Chinese and Japanese pronunciation
  • No per-character pricing, so long documents are voiced end-to-end without truncation
  • Automatically rewrites source documents into conversational format
  • Credit packs never expire, providing flexible usage without subscription commitment
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)29 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)193
Citation Flow (Majestic)3810
Referring domains (Majestic)2715

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