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Head-to-head · AI Video Caption Generators

SmartSub vs SRTGen

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score SmartSub #4 in AI Video Caption Generators 8.6/10 Free plan Free plan✓ 4 of 4 features Visit SmartSub
SRTGen #7 in AI Video Caption Generators 7.6/10 Free plan Free plan✓ 4 of 4 features Visit 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

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

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
Pros
  • 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
  • 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
Cons
  • 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
  • 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
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 →
  1. SmartSubAI Video Caption Generators 8.6Free plan
  2. SRTGenAI Video Caption Generators 7.6Free plan

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

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update