Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
BoldVoice records 589,724 monthly visits with -26.3% month-over-month growth and Free Trial pricing. LingoSub records 4,137 monthly visits with +33.2% growth and Free Trial, Paid pricing.
Learn languages from real videos with word-by-word subtitles
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | boldvoice.com | lingosub.com |
| Pricing Model | Free Trial | Free Trial, Paid |
| Monthly Visits | 589.72K (589,724) | 4.14K (4,137) |
| MoM Traffic Delta | -210.97K (-26.3%) | +1.03K (+33.2%) |
| Primary Market & Share | 🇺🇸 United States (43.7%) | 🇺🇸 United States (53.6%) |
| Direct Visits / mo | 145.69K | 1.4K |
| User Rating | 4.7 | 4.1 |
| Supported Platforms | Website | Website |

Accent training with Hollywood coaches and real-time speech AI
Record a phrase and receive sound-level analysis of your pronunciation, word stress and clarity, with concrete tips on how to correct each error.
On-demand video lessons taught by coaches who have trained actors for major film and streaming productions, covering difficult sounds and connected speech.
Feedback is converted into targeted exercises so you rehearse the exact sounds and patterns you struggle with instead of generic repetition.
Simulated conversations let you rehearse real-world speaking situations such as meetings, interviews and small talk with instant correction.
Learn languages from real videos with word-by-word 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.
A no-signup test estimates how many words you know and places you from A1 to C2, then recommends videos matched to that level.
Tap any word for its dictionary form, part of speech, frequency, in-sentence meaning and a note explaining the grammar, slang or expression.
Show translations over every word as a beginner, switch to only unknown words as you improve, or turn them off completely.
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
Learn languages from Netflix, YouTube, and real-world texts with dual subtitles and AI
Provides detailed phoneme-level pronunciation coaching and accent reduction, but lacks Hollywood coach video masterclasses.
Provides detailed phoneme-level pronunciation coaching and accent reduction, but lacks Hollywood coach video masterclasses.

Learn a new language by talking to lifelike AI tutors
Learn a new language by talking to lifelike AI tutors
AI transcription, subtitles and video translation in one browser studio
AI transcription, subtitles and video translation in one browser studio
An AI language learning assistant with bilingual subtitles, immersive translation, and vocabulary practice
An AI language learning assistant with bilingual subtitles, immersive translation, and vocabulary practice
SpecialistProvides immersive conversational practice with an AI tutor, but lacks targeted pronunciation scoring and accent coaching.
SpecialistProvides immersive conversational practice with an AI tutor, but lacks targeted pronunciation scoring and accent coaching.

Offers real-time conversational English practice, but lacks granular phoneme-level pronunciation drills and structured accent tracks.
Offers real-time conversational English practice, but lacks granular phoneme-level pronunciation drills and structured accent tracks.

SpecialistAI roleplays and coaching that build measurable communication skills
SpecialistAI roleplays and coaching that build measurable communication skills
Trains voice timbre, clarity, and communication skills, but is less specialized in English accent training for non-native speakers.
Trains voice timbre, clarity, and communication skills, but is less specialized in English accent training for non-native speakers.
Evaluates CEFR proficiency levels and interview readiness, but provides less structured accent reduction video lessons.
Evaluates CEFR proficiency levels and interview readiness, but provides less structured accent reduction video lessons.

AI subtitles, dubbing and 200-language video translation in one browser editor
AI subtitles, dubbing and 200-language video translation in one browser editor

Learn Spanish fast by scrolling short videos from native speakers