Head-to-head · AI Video Caption Generators
SmartSub vs SRTGen
SmartSub leads on 0 checks, SRTGen on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreSmartSub · 8.6/10
- Free planboth
SmartSub scores higher on our rubric for ai video caption generators: 8.6 against 7.6 out of 10; our editors rank them #4 and #7.
SmartSub is the better fit for technical users wanting free local captioning. SRTGen is the better fit for API users needing affordable caption workflows.
- SmartSub fits best
Technical users wanting free local captioning
- SRTGen fits best
API users needing affordable caption workflows
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Side by side
| Feature | SmartSub 8.6/10 Visit ↗ | SRTGen 7.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.6 | 7.6 |
| Ranking | #4 in AI Video Caption Generators | #7 in AI Video Caption Generators |
| Best for | Technical users wanting free local captioning | API users needing affordable caption workflows |
| Pricing model | Free | Free plan + paid |
| Starting price | Free plan | $8/mo |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Cloud |
| Platforms | Windows, macOS, Linux | Web |
| Integrations | 16 integrations | 5 integrations |
| Features SmartSub 4/4 · SRTGen 4/4 | ||
| Caption styling | ✓ | ✓ |
| Burn-in captions | ✓ | ✓ |
| Speaker identification | ✓ | ✓ |
| Brand caption presets | ✓ | ✓ |
| Specs | ||
| Max video length | Not checked yet | Not checked yet |
| Caption languages | Not checked yet | Not checked yet |
| Subtitle export | Other formats | Other formats |
| Our review | ||
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| Cons |
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| Our verdict | SmartSub is an open-source desktop application for turning video and audio into subtitles, then editing, translating, dubbing, styling, and rendering them into finished videos. It is aimed at technical users who want free local captioning… Read the review → |
SRTGen is a browser-based AI video caption platform for creators, educators, marketers, media organizations, and teams producing multilingual video. It transcribes video and audio, generates synchronized subtitles, translates captions, and… Read the review → |
Strengths and trade-offs
SmartSub — where it wins
- Free, open-source desktop app for Windows, macOS, and Linux
- Supports local and cloud ASR, translation, voice cloning, and dubbing
- Batch processing, speaker labeling, styling, burn-in, and multiple exports
Where it doesn't
- Optional cloud providers may add usage charges
- Desktop workflow may not suit browser-first teams
- Advanced features may require technical configuration of models or providers
SRTGen — where it wins
- Free plan includes 20 signup credits and 2 GB storage
- Supports styling, translation, speaker labels, and burn-in rendering
- REST API, dubbing, and voice cloning support higher-tier workflows
Where it doesn't
- Free screen recordings are limited to 5 minutes
- Starter includes one team seat and 20 GB storage
- Developer API access begins with the Pro plan
- SmartSub8.6/10 · Free plan
A free local-first captioning toolkit with broad AI, editing, translation, and dubbing features.
Visit SmartSubFull verdict → - SRTGen7.6/10 · Free plan
A broad caption workflow with a free tier, $8 entry plan, and API access on higher tiers.
Visit SRTGenFull verdict →
More comparisons
- Whisper vs SmartSub
- Whisper vs SRTGen
- CaptionHub vs SmartSub
- CaptionHub vs SRTGen
- Submagic vs SmartSub
- Submagic vs SRTGen
- SmartSub vs VideoCaptioner
- SmartSub vs Captions
All AI video caption generators comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




