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Checksub vs HeyGen

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Checksub starts at $18, HeyGen at $24. Only HeyGen has a free tier. Both ship a public API.

ChecksubAI subtitles, dubbing, and voice cloning for video, billed by hours of video processed per month.HeyGenAvatar videos and translation with lip-sync

Side by side

FactChecksubHeyGen
CategoryVideo Dubbing & TranslationAI Avatars & Talking Heads
Pricing modelPaidFreemium
Starts at$18 month$24 month
Public APIYesYes
PlatformsWeb, APIWeb, API
CompanyChecksubHeyGen
Launched20172020
Last verifiedSep 1, 2026Sep 6, 2026

What our research says

Checksub

Checksub covers the full pipeline from subtitles to full AI dubbing with voice cloning, which saves stitching together separate transcription and dubbing tools. The credit-per-hour pricing is straightforward to reason about compared to per-minute billing elsewhere, though the entry Junior tier's 2 hours a month will not stretch far for a channel publishing regularly. It is a mid-size, France-based vendor rather than a large platform, which shows in the tier structure jumping from $59 straight to a $299 Enterprise plan.

Pros

  • Subtitles, translation, and AI dubbing with voice cloning in one workflow
  • Editable transcripts and post-generation subtitle styling, including animated captions
  • Direct YouTube channel connection for publishing
  • Free trial credits to test the pipeline before paying

Cons

  • Entry Junior tier's monthly credit allowance is small for regular publishers
  • Large price jump between the Starter and Enterprise tiers
  • AI-dubbed voices will not match professional human dubbing quality in nuance

HeyGen

The strongest avatar fidelity on the market right now, but the credit arithmetic decides whether it is affordable, not the sticker price.

Pros

  • Avatar and lip-sync quality is ahead of most competitors at the price
  • Free plan lets you judge output quality before paying anything
  • Video translation covers a wide language list with synchronised lips
  • Credits roll over for a month rather than expiring at the billing date

Cons

  • Newer avatar models cost roughly seven times the credits of the older ones
  • Free tier is watermarked and capped at three one-minute videos
  • Business tier stacks a $20 per-seat charge on top of a $149 base
  • Custom avatars and the better models are gated behind higher tiers

Which one fits

Choose Checksub if you need

  • Creators and small teams localizing video into multiple languages
  • YouTube channels wanting subtitles plus optional AI dubbing in one tool

Choose HeyGen if you need

  • Marketing and product teams shipping talking-head video without a studio
  • Localising existing footage into other languages with matched lip movement
  • Creators who want a cloned avatar for repeatable short-form output

More comparisons

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