# Sonorix > Sonorix is a pay-as-you-go speech-to-text transcription service for Android. > Built on Whisper Large v3 running via Groq for sub-5-second transcription. > Credit-based pricing with no subscriptions; credits never expire. ## What Sonorix does Transcribes audio files (call recordings, voice notes, meetings, interviews, dictations) into text. Supports 90+ languages including English, Hindi, Marathi, Tamil, Telugu, Bengali, Gujarati. Handles code-switched speech (Hinglish). ## Pricing model - Starter: 100 credits — ₹49 (one-time) - Basic: 500 credits + 50 bonus — ₹199 - Standard: 1200 credits + 200 bonus — ₹449 - Pro: 3000 credits + 700 bonus — ₹999 - Mega: 8000 credits + 2500 bonus — ₹2499 One credit transcribes approximately one minute of audio. Credits never expire. No subscription. First 50 credits free on signup. ## Technical details - Transcription stack: Whisper Large v3 (primary via Groq), Deepgram (fallback), OpenAI Whisper (fallback) - Automatic failover between providers — transcriptions never stop even during provider outages - Android client: native APK, no Play Store required, 12MB - Server API: REST, credit-based authentication via device token - Audio formats: MP3, WAV, M4A, OPUS, OGG, FLAC, AAC, AMR, 3GPP, up to 50MB per file - Auto-refund on transcription failure ## Download Android APK: /download/sonorix-client.apk ## Key pages - Landing: / - Pricing: /#pricing - FAQ: /#faq - Contact: /contact - Terms of Service: /terms - Privacy Policy: /privacy - Refund Policy: /refund - API health: /health ## Contact & support For support, credit top-ups after payment, billing questions, refund requests. Response within a few hours during business hours. ## Who this is for - Journalists transcribing interviews - Students transcribing lectures - Lawyers and paralegals transcribing depositions - Doctors dictating notes - Podcasters creating transcripts for accessibility and SEO - Anyone with call recordings, voice memos, or meeting audio to transcribe ## What makes Sonorix different - Pay-as-you-go: no ₹500/month subscription you forget to cancel - No cloud account lock-in: device-based, no email/phone required - Credits never expire: use them over months or years - Local transcript storage: we don't retain your transcripts - Transparent pricing: exact cost per minute shown - Multi-provider resilience: service keeps working during provider outages ## License Terms of Service: /terms Privacy Policy: /privacy