Best FluentU Alternative: Sabi

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FluentU and Sabi both help you learn a language from real videos, but they work differently. FluentU is a full learning platform with its own video library and mobile apps. Sabi is a browser extension that adds learning tools to the streaming services you already use.

Short on time? Here's a quick look at how they compare.

🆚 Quick Comparison: Sabi vs FluentU

Feature
Sabi
FluentU

Netflix

✅

✅

YouTube

✅

✅

Disney+

✅

❌

Prime Video

✅

❌

Rakuten Viki

✅

❌

Dual Subtitles

✅

Own videos only

Word Translations

✅

✅

In-Video Exercises

✅

❌

Monthly Price

Free Trial / €1,84

Free Trial / €10,73

🧠 Overview: What Each Tool Is

FluentU

FluentU is a language learning platform built around video content such as music videos, movie trailers, news and talks. Its library comes with interactive subtitles, word explanations and quizzes, and it also offers beginner courses and an AI tutor. You can use it on the web or through its iOS and Android apps, and a Chrome extension adds word lookups to Netflix and YouTube.

Sabi

Sabi is a browser extension that works on Netflix, YouTube, Disney+, Prime Video and Rakuten Viki. It adds dual subtitles, word translations and exercises to the shows you're already watching, so you learn from full episodes and movies rather than a separate library.

📺 Platform Support

FluentU

— Works on the web, iOS and Android, using FluentU's own video library

— Its Chrome extension works on Netflix and YouTube

— FluentU says its Netflix extension only works in Google Chrome

Sabi

— Works on Netflix, YouTube, Disney+, Prime Video and Rakuten Viki

— Works in Chrome, Edge, Brave and Opera on your computer

— Has no mobile app, so you'll need a computer

🎯 Key Point:

— If you want to learn on your phone, FluentU is the better fit. If you watch on Disney+, Prime Video or Viki, only Sabi works there.

📚 Learning Experience

FluentU

— Curated videos for learners, especially helpful for beginners

— Interactive subtitles where you click a word to see its definition and examples

— Quizzes, separate from the videos, that test the words you've met in context

— Beginner courses and an AI tutor for speaking practice

— On Netflix, its extension shows the subtitles in the language you're learning, and you review saved words later in FluentU

Sabi

— Dual subtitles that show your target language and your own language together

Sabi's dual subtitles

— Hover translations with grammar and example sentences

Sabi's hover translations

— Exercises inside the video, so you practice what you just heard without leaving the show

Sabi's interactive exercises

— Whisper AI subtitles created from the audio on Netflix, YouTube, Disney+ and Viki

🎯 Key Point:

— FluentU gives you more structure. Sabi lets you learn from whatever you actually want to watch.

💸 Pricing

FluentU

— Cheapest monthly price at around €10,73

— 14-day free trial. FluentU's help center says the trial requires a payment method, and your subscription continues unless you cancel at least one day before it ends

— 20-day money-back guarantee

— Using the extension on Netflix also requires a Netflix subscription

Sabi

— Cheapest monthly price at €1,84

— 7-day free trial with no payment information required, so nothing is charged automatically when it ends

— Requires your own streaming subscriptions for content

🎯 Key Point:

— FluentU's trial is twice as long, but Sabi costs far less and doesn't ask for payment details to start.

✅ Pros & Cons

FluentU

✅ Pros:

— Curated videos and beginner courses

— Mobile apps

— AI tutor for speaking practice

— Longer free trial

❌ Cons:

— Higher price

— Payment method required for the free trial

— Fewer languages

— No support for Disney+, Prime Video or Rakuten Viki

Sabi

✅ Pros:

— Much lower price

— No payment details needed for the free trial

— Works on five streaming platforms

— 29 languages

— Exercises inside the video

❌ Cons:

— No mobile app

— No video library of its own

📌 Which Is Better?

Choose FluentU if:

— You're a beginner who wants curated videos and a guided course

— You mostly learn on your phone

— You don't mind paying more for an all-in-one platform

Choose Sabi if:

— You want to learn from full shows and movies you already enjoy

— You watch on Disney+, Prime Video or Rakuten Viki

— You're learning a language FluentU doesn't offer

— You want a lower price and a trial that doesn't need payment details

❓ Frequently Asked Questions

How much does FluentU cost?

FluentU's cheapest monthly price is around €10,73, and it has a 14-day free trial.

Is FluentU free?

No. FluentU has a 14-day free trial, but its help center says the trial requires a payment method, and your subscription continues unless you cancel at least one day before it ends.

Is FluentU worth it?

It can be, if you're a beginner who wants curated videos, courses and mobile apps. If you already watch shows on Netflix or other streaming services, Sabi gives you dual subtitles, word translations and exercises at a much lower price.

Does FluentU work on Netflix?

Yes. FluentU has a Chrome extension that adds word lookups to Netflix and YouTube. You need an active FluentU subscription and a Netflix subscription, and FluentU says its Netflix extension only works in Google Chrome.

Does FluentU work on Disney+, Prime Video or Rakuten Viki?

FluentU lists Netflix and YouTube for its Chrome extension, but not Disney+, Prime Video or Rakuten Viki. Sabi works on all five.

What is the best alternative to FluentU?

If you want to learn from the shows you already watch, Sabi is a good choice. It works on Netflix, YouTube, Disney+, Prime Video and Rakuten Viki, has a 7-day free trial with no payment details required, and starts at €1,84 per month.

Turn your next episode into a lesson. Add Sabi and start watching.

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