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HeyGen vs UniDub

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. HeyGen starts at $24, UniDub at $1. Both have a free tier. Only HeyGen ships a public API.

HeyGenAvatar videos and translation with lip-syncUniDubDubs video into 40+ languages and turns text into audiobooks with character-specific voices.

Side by side

FactHeyGenUniDub
CategoryAI Avatars & Talking HeadsVideo Dubbing & Translation
Pricing modelFreemiumFreemium
Starts at$24 month$1 minute
Public APIYesNo
PlatformsWeb, APIWeb
CompanyHeyGenSAIVA Technology Private Limited
Launched2020—
Last verifiedSep 6, 2026Sep 1, 2026

What our research says

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

UniDub

UniDub bundles three related jobs, dubbing, audiobook narration, and avatar video, that competitors usually split into separate products, which suits someone who needs more than one of them. Per-second billing is transparent but makes the per-minute cost of long-form content add up fast without a flat plan to fall back on.

Pros

  • Combines dubbing, audiobook, and avatar video in one platform
  • 40+ languages with adjustable regional accents and emotion
  • Character-specific voice assignment for audiobook narration
  • Free tier with no credit card required

Cons

  • Per-second pricing is quoted in rupees, requiring a currency conversion to budget in dollars
  • No flat subscription option, only pay-as-you-go past the free credit

Which one fits

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

Choose UniDub if you need

  • Creators who need dubbing, audiobook narration, and avatar video from one account
  • Regional-language content creators targeting 40+ languages
  • Budget-conscious users starting with the free 15-minute credit

More comparisons

All HeyGen alternatives →All UniDub alternatives →Browse all AI Avatars & Talking Heads →