kitio.aiInterSub vs Linglass
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. InterSub starts at $6/mo and Linglass starts at See pricing page. 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
- Dual subtitles
- Pop-up AI dictionary
- AI subtitle translation
- Wordbook vocabulary saving
- Anki sync
- Telegram spaced repetition
- Dual subtitles
- Context-aware translation
- IPA and Pinyin pronunciation
- AI grammar explanations
- FSRS flashcards
- iOS app
| Feature | InterSub | Linglass |
|---|---|---|
| Best for | Dual subtitles and AI word lookups for learning languages on Netflix | Dual subtitles and AI grammar help for learning on YouTube and Netflix |
| Category | Education | Education |
| Pricing model | Freemium | Freemium |
| Starting price | $6/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | InterSub Inc. | Linglass |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Both offer: Dual subtitles.
Pricing compared
InterSub starts at $6/mo and Linglass starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 15 word lookups per month
- Unlimited dual subtitles
- 14-day Premium trial
Pay-as-you-go
From $1.49
- Unlimited Wordbook access
- AI subtitle translator
- Weekly word reminders
Premium
$6/mo
- Unlimited word lookups
- Word training apps and bots
- Starting price
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
InterSub
- Learn from shows you already watch
- Lookups keep the scene's context
- Exports words to Anki
- Free plan allows 15 lookups a month
- AI translator not in the free plan
- Desktop browsers only for the extension
Linglass
- Grammar explained at your level
- Flashcards keep video context
- Free to start, no card
- Tied to YouTube and Netflix
- Paid features not detailed in evidence
- No Android app mentioned
Which one should you choose?
Choose InterSub if you want:
- Learn from shows you already watch
- Lookups keep the scene's context
- Exports words to Anki
Watch out: free plan allows 15 lookups a month.
Choose Linglass if you want:
- Grammar explained at your level
- Flashcards keep video context
- Free to start, no card
Watch out: tied to youtube and netflix.
InterSub vs Linglass FAQ
What is the difference between InterSub and Linglass?
InterSub: Dual subtitles and AI word lookups for learning languages on Netflix. Linglass: Dual subtitles and AI grammar help for learning on YouTube and Netflix. Both are education tools.
Is InterSub or Linglass cheaper?
InterSub starts at $6/mo and Linglass starts at See pricing page. Check both pricing pages for current plans.
Do InterSub and Linglass have free plans?
InterSub: Yes. Linglass: Yes.
Who makes InterSub?
InterSub is made by InterSub Inc..
Who makes Linglass?
Linglass is made by Linglass.
Which should I choose, InterSub or Linglass?
Choose InterSub if you value learn from shows you already watch and lookups keep the scene's context. Choose Linglass if you value grammar explained at your level and flashcards keep video context.