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Hei.io vs Rask AI

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. Hei.io starts at $39, Rask AI at $60. Only Rask AI has a free tier. Only Rask AI ships a public API.

Hei.ioGenerates subtitles, translations and AI dubbed voiceovers for video in 140+ languages.Rask AIVideo dubbing, translation and lip sync in 130+ languages

Side by side

FactHei.ioRask AI
CategoryDubbing & Voice TranslationVideo Dubbing & Translation
Pricing modelPaidFreemium
Starts at$39 month$60 month
Public APINoYes
PlatformsWebWeb, API
CompanyHeiTech OyBrask Inc.
Last verifiedSep 1, 2026Sep 6, 2026

What our research says

Hei.io

Hei.io covers the full localization pipeline, captions, translated subtitles, and dubbed voiceover, in one place, which saves stitching together a transcription tool and a separate dubbing tool. Voice cloning in 32 languages is a real differentiator versus subtitle-only tools, though lip-sync is still listed as coming rather than available. The plan structure mixes per-minute plan allowances with a separate pay-as-you-go hourly rate, which is hard to compare at a glance.

Pros

  • Combines captioning, translation, and AI dubbing in one workflow
  • 440+ voice options and cloning across 32 languages
  • Exports to standard formats (MP4, MP3, SRT) rather than a proprietary player
  • 140+ supported languages for translation

Cons

  • Lip-sync is not yet available, only listed as upcoming
  • Pricing mixes monthly plan minutes with a separate hourly pay-as-you-go rate
  • No visible permanent free plan, only a trial

Rask AI

The strongest pick when lip sync matters and you are localizing a back catalogue rather than one video. If you only need translated subtitles or a voiceover track, you are massively overpaying — cheaper transcription tools cover that.

Pros

  • Transcription, translation, voice cloning and lip sync run as one pipeline instead of four tools
  • Production API with webhooks on higher tiers, so batch localization can be automated
  • Voice cloning preserves the original speaker's timbre across languages
  • Annual billing roughly halves the rate (Creator drops from $60 to $33/mo)

Cons

  • Monthly-billed rates are steep: $60/mo buys as little as 25 minutes
  • Enhanced lip sync consumes 3x minutes, so quotas evaporate faster than the headline number suggests
  • Free tier is 3 minutes — enough to judge voice quality, not enough to judge a real workflow
  • API is throttled at Creator level; production API needs Creator Pro or above

Which one fits

Choose Hei.io if you need

  • Video agencies localizing content into many languages at once
  • YouTube creators wanting dubbed versions instead of just subtitles
  • Marketing teams needing translated voiceovers without hiring voice actors

Choose Rask AI if you need

  • YouTube channels and course creators republishing an existing library into other languages
  • Marketing teams localizing product and training video into 10+ markets
  • Agencies that need an API to push localization jobs in bulk with webhooks

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