kitio.aiInterSub vs NeonLingo
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. InterSub has the lower starting price: about $6 a month, against $13 for NeonLingo.
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
- Word lookup on any page
- Wordbook and review
- FSRS flashcards
- DeepL and AI translation
- 30 languages
- Document translation
| Feature | InterSub | NeonLingo |
|---|---|---|
| Best for | Dual subtitles and AI word lookups for learning languages on Netflix | Browser extension that teaches vocabulary as you read web pages |
| Category | Education | Education |
| Pricing model | Freemium | Freemium |
| Starting price | $6/mo | $12.99/mo |
| Free plan | Yes | Yes |
| Made by | InterSub Inc. | NeonLingo |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
InterSub has the lower starting price: about $6 a month, against $13 for NeonLingo.
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
2 plans
Free
Free
- Google Translate engine
- Vocabulary list of 200 words
- Auto highlighting on web pages
Premium
$12.99/mo
- DeepL and AI translation
- Up to 1,000 uses a month
- Phonetic transcription
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
NeonLingo
- Learn from content you already read
- Free plan with automatic highlighting
- Syncs word lists across devices
- Free plan caps the vocabulary list at 200 words
- AI translation limited to 1,000 uses a month on Premium
- Only works in Chrome and Edge
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 NeonLingo if you want:
- Learn from content you already read
- Free plan with automatic highlighting
- Syncs word lists across devices
Watch out: free plan caps the vocabulary list at 200 words.
InterSub vs NeonLingo FAQ
What is the difference between InterSub and NeonLingo?
InterSub: Dual subtitles and AI word lookups for learning languages on Netflix. NeonLingo: Browser extension that teaches vocabulary as you read web pages. Both are education tools.
Is InterSub or NeonLingo cheaper?
InterSub has the lower starting price: about $6 a month, against $13 for NeonLingo.
Do InterSub and NeonLingo have free plans?
InterSub: Yes. NeonLingo: Yes.
Who makes InterSub?
InterSub is made by InterSub Inc..
Who makes NeonLingo?
NeonLingo is made by NeonLingo.
Which should I choose, InterSub or NeonLingo?
Choose InterSub if you value learn from shows you already watch and lookups keep the scene's context. Choose NeonLingo if you value learn from content you already read and free plan with automatic highlighting.