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CaptionHub

captionhub.com

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Spec score 8.3 #1 of 20 in Live Captioning Software

What it is

CaptionHub is an AI-powered collaborative platform for producing multilingual subtitles and voiceover for business use. Its subtitling tools translate and localize subtitles into more than 300 languages, with frame-accurate and timeline editing, custom dictionaries, speaker-based splitting, and hard or soft limits. Teams can collaborate on workflows, export VTT, SRT, STL, TTML, and other formats, burn subtitles into video, or publish to online video platforms. CaptionHub Voiceover creates spoken audio with AI voices in different voices, styles, and languages. Studio automates ingest, processing, translation, and publishing and provides API, SDK, webhook, and web-socket access. Integrations include video, storage, localization, translation, and speech services such as Brightcove, Vimeo, Google Drive, DeepL, OpenAI, Whisper, and Speechmatics. Deployment can be cloud, on-premises, hybrid, or VPC. Security listings include ISO 27001, SOC 2 II, GDPR, encryption, MFA, SSO, role controls, IP whitelisting, and audit trails. Consumer use is prohibited.

Spec sheet

What it does
CaptionHub is an AI-powered collaborative multimedia localization platform for multilingual subtitles and voiceover at scale.Read 1 Oct 2026 · captionhub.com
Deployment
CaptionHub can run in the cloud, on-premises, in hybrid environments or inside a VPC.Read 1 Oct 2026 · captionhub.com
Free plan
NoRead 20 Sep 2026 · captionhub.com
Integrations
Listed integrations include Brightcove, Kaltura, Google Drive, JW Player, Mux, Cloudflare, Vimeo, Phrase, Smartling, XTM, Trados, LILT, Crowdin, DeepL, OpenAI, Amazon Translate, Blackbird.io, Whisper and Speechmatics.Read 1 Oct 2026 · captionhub.com
Support
Enterprise support options include PagerDuty and Slack Connect support, including 24/7 coverage, while support plans with SLAs and localization consulting are available.Read 1 Oct 2026 · captionhub.com
Headquarters
London, England, United KingdomRead 23 Sep 2026 · captionhub.com
Audience restriction
The subscription terms state that consumer use is prohibited and the service is for business use only.Read 1 Oct 2026 · captionhub.com
Automation and API
Studio includes automation across ingest, processing, translation and publishing, plus API, SDK, webhooks and web-socket access.Read 1 Oct 2026 · captionhub.com
Billing limit
Usage is measured in output minutes, which are deducted when a language version is first downloaded or published; voiceover minutes are billed when synthetic voice creation occurs.Read 1 Oct 2026 · support.captionhub.com
Caption technology
Natural Captions technology is designed to produce captions that read naturally and handle real-language complexity.Read 1 Oct 2026 · captionhub.com
Editing and workflow
The platform provides frame-accurate editing, timeline editing, custom dictionaries, speaker-based splitting, hard and soft limit controls, and workflow collaboration.Read 1 Oct 2026 · captionhub.com
Language coverage
Its subtitling platform translates and localizes subtitles into 300+ languages.Read 1 Oct 2026 · captionhub.com
Output formats
Users can export VTT, SRT, STL, TTML and other subtitle formats, including burnt-in subtitles, or publish directly to online video platforms.Read 1 Oct 2026 · captionhub.com
Security compliance
CaptionHub states that it is ISO 27001 certified, SOC 2 II certified and GDPR compliant, with TLS and 256-bit encryption, role-based access controls, MFA, SSO, IP whitelisting and audit trails.Read 1 Oct 2026 · captionhub.com
Voiceover
CaptionHub Voiceover uses realistic AI voices to generate spoken audio in any voice, style and language.Read 1 Oct 2026 · captionhub.com

Plans and prices

Creator & Agency $2.50 a month Usage-based; no subscription Captioning and subtitle editing · AI transcription and translation · Voiceover generation and editing · Subtitle-format exports · Workflow, approval, and commenting tools Read 20 Sep 2026 · captionhub.com
Studio $1,270 a month Monthly Huge output-minute and user volumes · automation · Timbra · Analytics · Connect · enterprise integrations · SSO · API/SDK/webhooks/web-sockets Read 1 Oct 2026 · captionhub.com
Enterprise $3,565 a month Monthly Everything in Professional, plus custom InfoSec and contracting · custom integrations · AWS/GCP VPC deployment · enhanced 24/7 support Read 1 Oct 2026 · captionhub.com
Creator & Agency $2.50, paid once Usage-based No subscription or commitment · buy minutes and use them at your pace · captioning, subtitle editing, AI transcription/translation, voiceover, exports, collaboration Read 1 Oct 2026 · captionhub.com

Every CaptionHub plan and price →

Strong points and limits

Strong points

  • Localization across 300+ languages
  • Frame-accurate and timeline editing
  • AI voiceover generation
  • Cloud, on-premises, hybrid, or VPC deployment
  • API, SDK, webhooks, and web sockets

Limits

  • Consumer use is prohibited
  • Usage is measured and deducted in output minutes
  • No free plan is available
  • Plans start at $2.50 a month

Who it suits

It is for businesses producing multilingual subtitles, dubbing, and voiceover at scale. Teams needing collaborative review, integrations, automation, or flexible deployment can use its API and workflow options.

Verdict

CaptionHub covers subtitle localization, AI voiceover, collaboration, automation, and multiple deployment models for business users. Its usage-based Creator & Agency plan starts at $2.50 a month, while Studio and Enterprise are monthly plans with broader capabilities.

Where Specifiction places it

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