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Checksub vs diffusr

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

Checksub compared with diffusr
Detail Checksub diffusr
What it doesAI-powered subtitle and dubbing generator for video and audio content localization API to generate ad videos, images and music
StageEstablished Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree trial with 1 hour of video translation credits. Paid plans: Junior $18/month (2 hours credits) or $12/month annually (24 hours credits); Starter $59/month (5 hours credits) or $48/month annually (60 hours credits); Enterprise from $299/month with custom credits. Credits are consumed at differen Video generation from $0.0778/second (Seedance 2.0 Mini at 720p, 5s) to $0.2378/second (Seedance 2.5); image generation from $0.02/image (GPT Image 2.5 Flare) to $0.06/image (GPT Image 2); music generation available. Test keys provide real prices with no charges.
Key features
  • Auto-subtitles generation using advanced AI
  • Translation in over 200 languages
  • AI voice cloning in 30 languages
  • Voice isolation to separate dialogue from background audio
  • Subtitle styling and animation customization
  • Script to subtitles conversion with synchronization
  • Burn-in subtitle export and subtitle file formats
  • Lip-sync technology (Beta)
  • Advanced online editor for subtitle and dubbing refinement
  • YouTube channel integration and social media optimization
  • Generate video from text prompts with optional images and voice
  • Generate images from prompts
  • Edit and modify existing images
  • Recast videos with different people or places
  • Generate music tracks
  • Run pre-made content templates
  • REST API and MCP integration
  • Callback webhooks and polling
What makes it different
  • 6 years of development focused specifically on subtitling quality and accuracy
  • Translation workflow designed specifically for subtitles rather than generic translation
  • Preserves original audio background and ambient sounds while replacing only vocals
  • Immediate subtitle generation with optional post-editing for rapid deployment
  • Competitive pricing compared to other video generation APIs
  • Idempotent API calls prevent double-charging on retries
  • AI agent integration with MCP protocol
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)54 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)160
Citation Flow (Majestic)3513
Referring domains (Majestic)5451

5 details filled in for both companies.

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