kitio.aiFastsub vs Mitsuko
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Fastsub starts at $9.90 one-time and Mitsuko starts at $5 one-time. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI subtitle generation
- Translation into 206 languages
- Bilingual side-by-side subtitles
- Local burn-in to MP4
- SRT and ASS export
- Subtitle format converter
- SRT, VTT and ASS translation
- Batch episode translation
- Cross-episode context extraction
- Audio to timed subtitles
- Choice of LLM
| Feature | Fastsub | Mitsuko |
|---|---|---|
| Best for | Browser subtitle generator with free translation into 206 languages | Context-aware AI translation for SRT, VTT and ASS subtitle files |
| Category | Video | Video |
| Pricing model | Freemium | Freemium |
| Starting price | $9.90 one-time | $5 one-time |
| Free plan | Yes | Yes |
| Made by | Fastsub | Hasfer |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Fastsub starts at $9.90 one-time and Mitsuko starts at $5 one-time. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free trial
Free
- 30 minutes of transcription
- Max 10 minutes per file
- Free translation
Base
$9.90 one-time
- 600 minutes, valid 365 days
- Up to 2 hours per file
- Project history saved
Plus
$39.90 one-time
- 3,000 minutes, valid 365 days
- Lowest per-minute rate
4 plans
Free
Free
- Free credits to try it
- Translation and transcription
Credit Pack 5M
$5 one-time
- 5,000,000 credits
- Valid for one year
Credit Pack 20M
$19 one-time
- 20,000,000 credits
- Valid for one year
Credit Pack 65M
$59 one-time
- 65,000,000 credits
- Valid for one year
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Fastsub
- Video file never leaves your browser
- Translation is free on every plan
- Credits last a full year
- Free trial caps files at 10 minutes
- Transcription limited to about 30 source languages
- Burn-in speed depends on your device
Mitsuko
- Keeps names consistent across episodes
- No subscription, credits last a year
- Supports common subtitle formats
- Credit cost per file is not obvious
- Quality depends on the chosen model
- Aimed at subtitles, not other documents
Which one should you choose?
Choose Fastsub if you want:
- Video file never leaves your browser
- Translation is free on every plan
- Credits last a full year
Watch out: free trial caps files at 10 minutes.
Choose Mitsuko if you want:
- Keeps names consistent across episodes
- No subscription, credits last a year
- Supports common subtitle formats
Watch out: credit cost per file is not obvious.
Fastsub vs Mitsuko FAQ
What is the difference between Fastsub and Mitsuko?
Fastsub: Browser subtitle generator with free translation into 206 languages. Mitsuko: Context-aware AI translation for SRT, VTT and ASS subtitle files. Both are video tools.
Is Fastsub or Mitsuko cheaper?
Fastsub starts at $9.90 one-time and Mitsuko starts at $5 one-time. Check both pricing pages for current plans.
Do Fastsub and Mitsuko have free plans?
Fastsub: Yes. Mitsuko: Yes.
Who makes Fastsub?
Fastsub is made by Fastsub.
Who makes Mitsuko?
Mitsuko is made by Hasfer.
Which should I choose, Fastsub or Mitsuko?
Choose Fastsub if you value video file never leaves your browser and translation is free on every plan. Choose Mitsuko if you value keeps names consistent across episodes and no subscription, credits last a year.