Cheap international calls over WiFi or mobile data
Vietnamese speech to text for video and audio
Stage
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Founded
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Based in
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VN
Pricing model
Freemium
Freemium
Pricing
Free: 1 minute included with download. Starter: $1.99 USD (~30 minutes to Canada). Standard: $4.99 USD (~70 minutes to Canada). Pro: $9.99 USD (~140 minutes to Canada). Per-minute rates from $0.03/min (United Kingdom) to higher rates for other countries. No subscription, no expiration.
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Key features
No registration required—download and dial immediately
Per-second billing with no connection fees
Minutes never expire—no subscription or auto-renewal
Works on WiFi or mobile data from anywhere
Rates visible before calling—200+ countries covered
Secure payments through Apple App Store and Google Play
Crystal-clear VoIP quality over WiFi or mobile data
Calls routed through Tier-1 telecommunications carriers
Privacy by design—no personal data collection or account needed
Transcribe Vietnamese and English audio and video
Download transcripts as TXT, SRT or VTT
Support MP3, M4A, WAV, MP4, MOV, MKV, WEBM formats
No account required for free minutes
Automatic file deletion for privacy
Bank transfer payment via VietQR
What makes it different
Reduces costs by up to 98% compared to carrier roaming charges
One free minute included with every download—no card or registration needed
Calls real phone numbers so the other person doesn't need the app
Transparent per-minute pricing with no hidden fees or connection charges
Telvio
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