Checksub vs OOONA

Checksub provides AI-powered subtitles, dubbing, and voice-over for videos through web, API, and extension platforms. It can create subtitles automatically or synchronize subtitles from a script, and it offers subtitle translation in 200 languages. Its dubbing replaces the original voice while keeping the audio background; Checksub also says users can substitute a cloned voice in 30 languages. The online editor lets users revise and regenerate sentences after subtitle or dubbing generation. Subtitles can be burned into exported videos with animated styles, including karaoke animation. Translated-video publishing to YouTube is supported, and the Starter plan connects one channel. Listed integrations include YouTube, Twitch, Google Drive, Adobe Premiere Pro, DaVinci Resolve, and Final Cut Pro. Credit use varies by task: one credit minute per video minute for subtitles, three for dubbing, and five for lip-sync. The service has a free plan and free trial. Checksub was founded in 2017 and is headquartered in France.

OOONA provides management and production software for media localization, covering subtitling, voiceover, dubbing and captioning. OOONA Integrated combines a translation management system with production tools for end-to-end project management. It offers customizable project and client dashboards, automated and bulk assignments, live project and user metrics, and access controls for internal and external users. OOONA Tools can be selected individually or in packages and include Create + Translate, Translate, Review, Transcribe, Subtitle Converter, Burn & Encode, Multilingual QC, Compare and Audio Description. Create + Translate supports timed-text authoring, editing, translation and reformatting with precise positioning and frame-accurate timing. APIs handle subtitle and caption conversion, validation, configurable checks, and automated work-order intake and delivery updates. Integrated supports single sign-on through Auth0, Microsoft ADFS, Microsoft Azure, MiniOrange and Okta, plus APIs for third-party language and client-management systems. OOONA says it uses DRM-protected video, browser-based work without transferring video assets, multifactor authentication, watermarking and continuous penetration testing. A free trial lasts four weeks with limited subtitle export; Timed Text Lab offers free, account-free timed-text tools.