Rtzr
Return Zero (Rtzr) provides 'VITO', a service that converts call recordings into text, and enterprise STT API services based on its proprietary speech recognition technology.
Free + paidiOSAndroidWebKoreanLLM-based
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Return Zero (Rtzr) provides 'VITO', a service that converts call recordings into text, and enterprise STT API services based on its proprietary speech recognition technology. It boasts high accuracy in Korean colloquialisms and dialects, visualizing conversations like messenger chats through speaker diarization. It develops innovative solutions for meeting minutes and customer consultation analysis.
Key features
- Automatic Call Transcription
- Precise Speaker Diarization
- Keyword Search & Summary
- Real-time STT API
- Messenger-style UI
- Call Content Sharing
Pricing
Use cases
- Business Call Record Management
- Legal Evidence Collection
- Customer Consultation Data
- Interview & Meeting Minutes
Who it is for
Sales ProfessionalsLawyers & ProfessionalsGeneral Smartphone UsersCS Centers
Integrations
KakaoTalkGoogle DriveSalesforce
Tags
STT
How we verified this
Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.
Last verified 08/30/2026Verified sources: 1
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