Now in public beta

Hear both sides. simultaneously.

Bilingual parallel audio and text — side by side, in perfect sync. The fastest way to absorb a new language naturally.

Download for iOS Also on Android
English
"The forest was completely silent."
Spanish
«El bosque estaba completamente silencioso.»
Features

Built for real
language learning

Every feature is designed around how your brain actually acquires language — through context, repetition, and pattern recognition.

🔊
Parallel Audio
Hear both languages played in sync — native speaker voice on one channel, your target language on the other.
📖
Live Text Sync
Text highlights word-by-word as audio plays. Tap any word for instant translation and usage examples.
📂
Bring Your Own Content
Upload any text, import audio files, or record directly in the app. Learn from content that actually matters to you.
⚡
Speed Control
Slow down to 0.5× for difficult passages. Gradually increase as your comprehension grows.
🎙️
In-App Recording
Record any conversation or audio around you and instantly create a bilingual parallel session from it.
🎯
Progress Tracking
Detailed analytics on vocabulary growth, comprehension rate, and time spent across languages.
How it works

Three steps to fluency

No textbooks. No drilling. Just immersive parallel listening that rewires your brain.

01

Pick your language pair

Choose your native language and the one you're learning. We support 40+ language combinations.

02

Upload, record, or paste your content

Bring any text or audio — articles, podcasts, conversations. Record live or import from your files.

03

Listen, read, absorb

Both languages play in sync. Your brain does the rest — making natural connections in real time.

English
Synchronized playback
Spanish
40+
Language pairs supported
100%
Your content, your choice
3×
Faster than traditional methods

Start hearing
both sides.

Download free. No subscription required for the first 30 days.

🍎
Download on the App Store
▶
Get it on Google Play