Vosuba review
A focused Mac captioning tool with accessibility checks, offline processing, and one-time tiers.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Vosuba is a macOS desktop application for generating, editing, styling, validating, and burning captions into video. It is aimed at content creators, universities, media teams, and broadcasters that want local AI transcription without cloud uploads or recurring subscriptions. Whisper-powered transcription, subtitle editing, visual styling, speaker labeling, and exports in SRT, VTT, and ASS give it a focused caption-production workflow. Its audience is narrower than cross-platform captioning tools because it runs only on macOS and requires Apple Silicon.
The pricing structure starts with a Free plan that includes Whisper tiny and base models, unlimited SRT and VTT exports, three style presets, and watermarked video burning. The $49 Creator plan is a one-time purchase and adds all Whisper models, no-watermark burning, all 10 style presets plus custom styles, multi-speaker labels, the caption accessibility dashboard, and SRT, VTT, and ASS exports. Pro costs $99 one time and adds 26 AI voices, voice cloning, batch processing, speech controls, voiceover export, and priority email support. Enterprise is $399 per seat per year and adds volume licensing, dedicated support, and custom onboarding.
Accessibility validation is a notable part of Vosuba’s scope: the product checks characters per second, line length, sound annotations, and synchronization. That makes it relevant for teams reviewing caption readability and timing, not only generating transcript files. Local processing also suits workflows that avoid cloud uploads, while batch processing and voice features make Pro more suitable for larger content batches. However, the platform requirement is decisive. Mac users who need caption accessibility checks, offline processing, and subtitle exports should consider Vosuba; Windows users, teams without Apple Silicon, and buyers needing a broader platform choice should choose an alternative.
Vosuba pros and cons
- Where it wins
- Accessibility validation covers CPS, line length, annotations, and sync
- One-time Creator and Pro tiers add styling, exports, and voice tools
- Batch processing, speaker labels, and burn-in support production workflows
- Where it doesn't
- Runs only on macOS and requires Apple Silicon
- Free video burning includes a watermark
- Refunds are generally unavailable after license issuance
Vosuba fact sheet, pricing and score →
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