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Subtitlo is a real-time captioning tool for macOS, built for presentation scenarios. It can overlay speech-to-text captions on slides in Keynote, PowerPoint, and similar apps. Its value is not in general-purpose meeting minutes, but in helping live audiences better understand presentations in multilingual settings, accessibility scenarios for hearing-impaired viewers, or noisy environments.
Its AI capability is mainly on-device offline speech transcription, with support for 34 languages, including Chinese, Cantonese, Shanghainese, English, Japanese, Korean, and more. Users can adjust caption position and appearance, making it suitable for single-screen or multi-screen presentations. The Pro version supports saving transcripts and exporting them as text or JSON. It can also import specialized vocabulary, Keynote files, or PowerPoint files to improve recognition of industry terminology, and allows users to set highlight words and branded themes. The available information does not disclose the specific model used, accuracy, latency, or whether real-time translation is supported, so it is better viewed as a “real-time captioning aid” rather than a default replacement for professional stenography.
The product can be downloaded and tried for free from the macOS App Store. Pro is a one-time purchase: the regular price is USD 29.99, with a current launch discount price of USD 17.99, making it relatively good value. Privacy is one of its strongest selling points: according to the official description, all transcription is done locally on the device. Presentations, speech, and transcripts do not leave the device, are not stored in iCloud, and are not used for user tracking or sent to third parties.
Its strengths are offline/local processing, support for Chinese and multiple other languages, and close integration with presentation software. The one-time purchase model also suits individual lecturers and small teams. The limitations are that only a macOS version is visible, with no Windows/Web/mobile version, API, or team management features mentioned. Some languages also need to be downloaded in macOS system settings. It is suitable for teachers, trainers, corporate presenters, event speakers, and scenarios where multilingual or hearing-impaired audiences need to be accommodated.
Because this is a macOS App Store app, the available text does not specify domestic network availability in China, supported payment methods, or download region restrictions, so its accessibility is unknown. If it cannot be used, alternatives include PowerPoint’s built-in captions, Google Slides captions, Otter.ai, Ava, or MacWhisper, though they differ in privacy, Chinese-language performance, and network dependency.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on subtitlo.com official site.
subtitlo.com is an United States AI Apps provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach subtitlo.com directly.