Head-to-head · AI Video Caption Generators
SRTGen vs SmartSub
SRTGen leads on 0 checks, SmartSub 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 scoreSRTGen · 7.5/10
- Free planboth
SRTGen scores higher on our rubric for ai video caption generators: 7.5 against 7.4 out of 10; our editors rank them #4 and #5.
SRTGen is the better fit for API users needing affordable caption workflows. SmartSub is the better fit for technical users wanting free local captioning.
- SRTGen fits best
API users needing affordable caption workflows
- SmartSub fits best
Technical users wanting free local captioning
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Side by side
| Feature | SRTGen 7.5/10 Visit ↗ | SmartSub 7.4/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.5 | 7.4 |
| Ranking | #4 in AI Video Caption Generators | #5 in AI Video Caption Generators |
| Best for | API users needing affordable caption workflows | Technical users wanting free local captioning |
| Pricing model | Free plan + paid | Free |
| Starting price | $8/mo | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud | Desktop |
| Platforms | Web | Windows, macOS, Linux |
| Integrations | 5 integrations | 16 integrations |
| Features SRTGen 4/4 · SmartSub 4/4 | ||
| Caption styling | ✓ | ✓ |
| Burn-in captions | ✓ | ✓ |
| Speaker identification | ✓ | ✓ |
| Brand caption presets | ✓ | ✓ |
| Specs | ||
| Max video length | Not published | Not published |
| Caption languages | Not published | Not published |
| Subtitle export | Other formats | Other formats |
| Our review | ||
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| Our verdict | 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 → |
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 → |
Strengths and trade-offs
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
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
- SRTGen7.5/10 · Free plan · paid from $8/mo
A broad caption workflow with a free tier, $8 entry plan, and API access on higher tiers.
Visit SRTGenFull verdict → - SmartSub7.4/10 · Free plan
A free local-first captioning toolkit with broad AI, editing, translation, and dubbing features.
Visit SmartSubFull verdict →
More comparisons
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- Submagic vs SmartSub
- CaptionHub vs SRTGen
- CaptionHub vs SmartSub
- SRTGen vs VideoCaptioner
- SRTGen vs Captions
All AI video caption generators comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update




