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AISFX vs Checksub

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

AISFX compared with Checksub
DetailAISFX logo AISFX Checksub
What it doesTransform text descriptions into professional-quality sound effects using AI AI-powered subtitle and dubbing generator for video and audio content localization
StageNot given Established
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 3 sound effects once after sign-up. Pro: $9.99/month or $109/year for 110 sound effects monthly. Ultimate: $24.99/month or $279/year for 300 sound effects monthly. One credit generates one 2–10 second sound effect. Unused monthly credits do not roll over. Free 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
Key features
  • Downloadable audio files
  • Support for 2–10 second sound effects
  • Cross-platform compatibility including Windows, macOS, Android, and iOS
  • Wide variety of sound effect categories including nature, instruments, and ambient sounds
  • Multiple browser support including Chrome, Firefox, Safari, and Edge
  • 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
What makes it different
  • Advanced AI transforms text descriptions into professional-grade sound effects instantly
  • Ease of use with customization options and constant improvements
  • Free account includes 3 credits to try the service with no payment required
  • 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
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)3 +1 (up) since last check54 no change since last check
Trust Flow (Majestic)316
Citation Flow (Majestic)2535
Referring domains (Majestic)24545

5 details filled in for both companies.

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