Real-time phone and video call translator supporting 150+ languages
Stage
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Pricing model
Freemium
Freemium
Pricing
Free plan: unlimited topics, generated segments each session, extend 1 extra segment per topic. Pro plan: $16.9/month (originally $29), includes unlimited segment extensions, unlimited deep-dive questions, and realtime AI voice playback. Month-to-month with no lock-in; cancel anytime.
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Key features
Generate infinite audio lessons on any topic
Structured audio course with overview and deep-dive segments
Real-time playback with segment generation during listening
Web and mobile access with no download required
Sentence-by-sentence highlighting for hands-free learning
Browse hundreds of curated topics or enter custom topics
Growing knowledge trail showing mastered topics and next steps
Unlimited deep-dive questions with Pro plan
Real-time phone call translation with two-way voice
Video call translation with live bilingual subtitles
Support for 150+ languages and accents
Works with WhatsApp, WeChat, Telegram, and other messaging apps
Type-to-Speak for translating names, addresses, and numbers
AI-generated call summaries and full call transcripts
Voice translation for instant word translation
In-person conversation translation
Camera translation for text in images and signs
Incoming call translation using a second AI Phone number
What makes it different
Never-ending: Segments keep generating as long as you listen, unlike fixed-episode podcasts
On-demand personalization: Generate content for any topic instantly, not what a host chose
Continuous learning: Knowledge trail builds across all listening sessions
Fits existing time: Learn during dead time—commutes, workouts and chores without needing dedicated study
Free to start with no payment barrier to try learning
No app required for the other person during calls
Handles technical terms, accents, dialects and mixed languages accurately
Works with both mobile and landline numbers
Shared link for video calls without needing installation
Lambda Infinity
AI Phone