Seply vs Captioner
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Seply compared with Captioner
| Detail | 
Seply | 
Captioner |
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| What it does | AI speaker separation to split audio by speaker into individual tracks
| AI subtitle generator and editor for videos
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free Trial: 20 credits once (about 2 minutes of Standard Separation). Monthly plans: Starter $12 (200 credits), Creator $29 (600 credits), Studio $65 (1500 credits). Annual plans: Starter $120, Creator $288, Studio $648. One-time credit packs: 200 credits for $16, 600 credits for $39, 1500 credits f
| Free: 30 one-time credits. Basic: $10/month (300 credits) or $60/year. Creator: $20/month (1,200 credits) or $120/year. One-Week Pass: $7 one-time (120 permanent credits + 7 days Creator features). Additional permanent credits: $6 for 120 credits, $15 for 300 credits, $30 for 600 credits.
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| Key features | - Individual speaker tracks with separate WAV files
- Time-aligned output with synchronized track starts
- Automatic and manual speaker detection
- Support for 30+ languages
- Multiple audio and video file format support
- Advanced Overlap mode for simultaneous speech
- Private processing with 30-day result access
- Preview functionality before download
- Credit-based pricing with cost estimate before processing
- Upload support for files up to 1 GB
| - 98%+ accuracy AI transcription
- Support for 98+ languages
- Transcribe up to 2 hours per video
- Export in SRT, VTT, and SBV formats
- Precise word-level timestamps
- In-browser subtitle editing
- Automatic transcript alignment
- Video export with burned-in subtitles
- Subtitle translation to 15+ languages
- Built-in voice extraction for background noise
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| What makes it different | - Works with both audio and video files with automatic speaker detection
- Handles overlapping and simultaneous speech with Advanced Overlap mode
- Keeps time-alignment across all exported tracks for editing workflow continuity
- Separates voices into individual tracks rather than just labeling speakers
| - Highest accuracy AI transcription optimized for videos
- Precise timestamps requiring minimal manual editing
- Editing experience built by content creators for creators
- Automatic alignment of existing transcripts
- Supports multiple subtitle formats and platforms
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 28 ▼ −1 (down) since last check | 22 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 8 |
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| Citation Flow (Majestic) | 30 | 29 |
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| Referring domains (Majestic) | 88 | 80 |
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5 details filled in for both companies.
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