Language Reactor vs Trancy

This page is for people choosing between the two names they actually type: Language Reactor and Trancy. It is not a Trancy-alternatives roundup (/guides/trancy-alternative), and it is not the 2026 Language Reactor alternatives list (/guides/language-reactor-alternative). /compare is the hub; this is the pairwise.

Both overlay video you already watch. Trancy also ships web/PDF tools, course-site overlays, and mobile apps — but those apps are YouTube-only for video. Trancy's mobile app does not work with Netflix or Disney+. Language Reactor is the Netflix + YouTube toolbox with PhrasePump and Anki export on desktop Chrome.

Platforms, browsers, AI, and price shape

• Netflix: Language Reactor yes, Trancy yes, FluentAI yes
• YouTube: Language Reactor yes, Trancy yes, FluentAI yes
• Prime Video: Language Reactor no, Trancy not on docs' eight, FluentAI yes
• Disney+: Language Reactor no, Trancy yes (docs list full bilingual; anime dual-sub guide labels Disney+ — Beta support — both statements exist), FluentAI yes
• HBO Max: Language Reactor not listed, Trancy yes (docs), FluentAI yes
• Course sites (Udemy, Coursera, TED, edX): Language Reactor no, Trancy yes (on the eight), FluentAI no — streaming focus
• Chrome: all three official
• Edge: Language Reactor no, Trancy official (About), FluentAI no
• Firefox: Language Reactor no official, Trancy official, FluentAI official
• Mobile video: Trancy apps exist; YouTube-only — the mobile app does not work with Netflix or Disney+. Language Reactor and FluentAI are desktop-browser-first
• Study / AI shape: Language Reactor — Dictionary & Lexa AI, Aria, PhrasePump, Anki export · Trancy — AI coach, grammar/speaking, web/PDF + video overlay · FluentAI — click-word; word analysis Basic+; neural transcriptions Pro+; free flashcards; mining paid
• Price: cite each tool's current pricing page. We do not invent dollar figures that may have moved. FluentAI: https://fluentai.pro/pricing

Where Trancy wins

• Disney+ and the course-site set on the canonical eight
• Official Firefox and Edge (Firefox is a shared win with FluentAI — not unique vs FluentAI)
• Mobile apps when the job is YouTube on a phone (still not Netflix/Disney+)
• Grammar / speaking coach and web/PDF translation sprawl

Where Language Reactor wins

• Netflix + YouTube maturity and a simpler free dual-sub start
• PhrasePump + Anki export workflows many immersion learners already know
• Broader homepage content-language catalog (Learn from content in 40+ languages) vs Trancy About (up to 10) — that 40+ is catalog copy, not an overlay feature count

The gap both leave

• Prime Video: Language Reactor no; Trancy not on docs' eight; FluentAI yes
• HBO Max: Language Reactor not listed; Trancy yes (docs); FluentAI yes — details: /guides/language-reactor-hbo-max
• Built-in free flashcards without suite sprawl: FluentAI Free

Leaving Trancy for a tighter overlay is a different article: /guides/trancy-alternative.

Who should pick which (pairwise)

• Trancy fits when you need Disney+ and Udemy/Coursera/TED/edX, or web/PDF/speaking-coach, or mobile YouTube video
• Language Reactor fits when Netflix + YouTube on Chrome is enough and you want PhrasePump/Anki without Trancy's suite
• FluentAI fits when you also watch Prime Video and/or HBO Max, want official Firefox, and want unlimited free flashcards on an overlay of subscriptions you already pay for — without web/PDF suite tools

Install FluentAI: Add to Chrome free — https://chromewebstore.google.com/detail/fluentai-dual-subtitles-f/hbghjfaenddmdpbkobgdcgkmcdcdjjko · Firefox — https://addons.mozilla.org/en-US/firefox/addon/fluentai-app/

Frequently Asked Questions

Is Trancy better than Language Reactor?

Depends on the job. Trancy wins on Disney+, course sites, and official Firefox. Trancy mobile video is YouTube-only. Language Reactor wins on Netflix/YouTube maturity, Anki export, and a simpler free dual-sub start. Prime Video is not on Trancy's canonical docs list.

Does Trancy work on Prime Video?

Not on Trancy's canonical eight: YouTube, Netflix, Disney+, Udemy, Coursera, TED, edX, and HBO Max. Marketing pages have claimed Prime; we follow the docs.

Does Trancy work on Firefox?

Yes, official. Language Reactor: no official Firefox.

Does Language Reactor work on Disney+ or HBO Max?

Disney+: no. HBO Max: not listed. See /guides/language-reactor-disney-plus-prime-video and /guides/language-reactor-hbo-max.

Language Reactor vs Trancy vs FluentAI?

FluentAI covers Prime Video and HBO Max with official Firefox and free flashcards, without Trancy's web/PDF suite. Hub: /compare. This page stays pairwise LR vs Trancy.

Looking for the best Trancy alternative?

That leave-Trancy framing lives on /guides/trancy-alternative — not here.