How do their growth rates compare?

LingoSub has a month-over-month growth rate of +33.2%; SubsGPT has —.

How does pricing compare?

LingoSub: Free Trial, Paid. Free tier includes all videos and stories with subtitles and sentence translations, plus the level test with no sign-up. LingoSub Pro is listed at $12 per month or $99 per year and unlocks per-word translations, word meanings and grammar notes, native pronunciation and saved words. SubsGPT: Free. Free to install and use. The extension itself has no paid tier; you simply need access to ChatGPT (a free ChatGPT account works for basic explanations).

What are alternatives to LingoSub and SubsGPT?

Other tools in related categories include Monica, Sider, Immersive Translate, Language Reactor, SubEasy.

LingoSub vs SubsGPT — Traffic (4.14K vs 0), Pricing & Verdict

Open AI Tools

LingoSub vs SubsGPT — Traffic (4.14K vs 0), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	LingoSub	SubsGPT
Official Domain	lingosub.com	chromewebstore.google.com
Pricing Model	Free Trial, Paid	Free
Monthly Visits	4.14K (4,137)	0 (0)
MoM Traffic Delta	+1.03K (+33.2%)	0 (—)
Primary Market & Share	🇺🇸 United States (53.6%)	🌐 Global (—)
Direct Visits / mo	1.4K	0
User Rating	4.1	4.2
Supported Platforms	Website	Browser Extension

LingoSub

Learn languages from real videos with word-by-word subtitles

Word-by-word timed subtitles

Every word is transcribed with its own timing so it highlights exactly as it is spoken, with the meaning in that sentence displayed above it.

3-minute vocabulary level test

A no-signup test estimates how many words you know and places you from A1 to C2, then recommends videos matched to that level.

Context-aware word and grammar notes

Tap any word for its dictionary form, part of speech, frequency, in-sentence meaning and a note explaining the grammar, slang or expression.

Adaptive translation display

Show translations over every word as a beginner, switch to only unknown words as you improve, or turn them off completely.

Strengths & Pros

+Learns from authentic native content instead of scripted textbook dialogues
+Word-level timing and in-context explanations go far beyond plain YouTube subtitles
+Free tier covers all videos, stories and the level test with no account
+Supports twelve languages with CEFR-rated libraries and per-language level tests