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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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sync.so
✓ verifiedPaid
AI lipsync and visual dubbing tool that resyncs a speaker's mouth to translated audio or cloned voices across languages.
352K visits/mo31K saves
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Akkadu AI Subtitles
✓ verifiedPaid
AI live-captioning app giving real-time subtitles and translated audio in 90+ languages for meetings, events and streams.
54K visits/mo
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Checksub
✓ verifiedFree trial
AI platform to auto-generate subtitles, translate video into 200+ languages and dub with cloned, realistic voices for creators and teams.
157K visits/mo2.7K saves
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GPT Subtitler
✓ verifiedPaid
Subtitle translation and audio transcription web app; real traffic.
53K visits/mo1.8K saves
Pricing
No public pricing
5 credits: $6 (1 hr captions or 30 min audio)
20 credits: $22 (4 hrs captions or 2 hrs audio)
100 credits: $99 (20 hrs captions or 10 hrs audio)
Free trial available
Junior: $18/mo ($12/mo yearly, 2 hrs credits/mo)
Starter: $59/mo ($48/mo yearly, 5 hrs, dubbing)
Enterprise: from $299/mo
Free trial available
Free Tier: Free
Basic Plan: $5/month
Premium Plan: $9.9/month
Pay-as-you-go Token: Variable
Core features
- ✦AI lipsync across multiple languages
- ✦Support for 4K footage, multiple faces and camera angles
- ✦API and plugin integration (Premiere, ComfyUI) for pipelines
- ✦Voice cloning or generated-audio input for dubbing
- ✦Watermark-based verification of processed videos
- ✦Real-time captions in 90+ languages
- ✦Translated live audio output
- ✦Choice of translation engine (Google, Microsoft)
- ✦Custom glossaries and accent recognition
- ✦Profanity/safety filter and visual styling
- ✦Downloadable multilingual transcripts
- ✦Automatic subtitle generation
- ✦Translation into 200+ languages
- ✦AI dubbing with voice cloning
- ✦Voice/background audio isolation
- ✦Animated and styled subtitles
- ✦Online editor with SRT/VTT export
- ✦AI-powered subtitle translation
- ✦Audio transcription using Whisper AI
- ✦Batch translation
- ✦Customizable translation settings
- ✦Support for multiple LLM providers (OpenAI, Claude, Gemini, etc.)
- ✦Token-based pricing or subscription plans
Use cases
- →Studios localizing video into other languages
- →Creators dubbing content with AI-cloned voices
- →Post-production teams fixing sync in complex shots
- →Platforms needing to verify AI-modified video authenticity
- →Caption virtual meetings and webinars
- →Show multilingual captions at live events
- →Add translated captions to live streams
- →Provide transcripts and AI summaries
- →Subtitling social videos
- →Translating training videos
- →Dubbing content for global audiences
- →Growing multilingual YouTube reach
- →Translating video subtitles for global audiences
- →Transcribing audio and video files to create subtitles
- →Batch processing multiple subtitle files for consistent translation
- →Fine-tuning translations for specific content types and audiences
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