VITO: VITO is a mobile app from ReturnZero that automatically transcribes recorded phone calls into searchable text with speaker labels and summaries, optimized for Korean. timeOS: AI that auto-joins calls and delivers notes plus daily briefings Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist VITO when reviewing and searching the content of past phone calls matters most, and timeOS when cross-tool follow-ups matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
VITO is a mobile app from ReturnZero that automatically transcribes recorded phone calls into searchable text with speaker labels and summaries, optimized for Korean.
AI that auto-joins calls and delivers notes plus daily briefings
VITO (비토) is a call-transcription app developed by ReturnZero Inc. (리턴제로), a Seoul-based speech-AI company. It automatically converts recorded phone calls into readable, chat-style text using ReturnZero's proprietary speech-recognition engine tuned for conversational Korean. Rather than joining live virtual meetings as a bot, VITO works from a phone's call-recording function: once a call is recorded, the audio is transcribed, with speaker identification distinguishing participants, and users can later read, keyword-search, replay specific segments, and review summaries of past conversations. It also supports bulk conversion of previously recorded calls. VITO is available on iOS and Android, with PC/web access to view transcripts, and offers cloud storage so call history is preserved across devices. The company also exposes its underlying RTZR speech-to-text technology as a separate developer API. VITO is aimed at everyday users and professionals such as real-estate agents, delivery drivers, office workers, students, and small-business owners who need to revisit, search, or share the content of their phone conversations.
Best suited for
timeOS is an AI meeting assistant that automatically captures, transcribes, and summarizes meetings across major conferencing platforms, then routes the resulting notes and action items into the tools teams already use. It positions itself as an AI layer over your workday: beyond producing summaries, it aims to handle follow-through by syncing notes to documents, task managers, and other apps so nothing falls through the cracks after a call. It supports multiple languages and can generate concise recaps that are easy to share with attendees and stakeholders. Because it focuses on automating the post-meeting workflow, timeOS appeals to busy professionals and teams who want notes to flow automatically into their systems rather than copying them by hand. It is typically used for recurring meetings, cross-tool follow-ups, and keeping a searchable record of decisions, with an emphasis on reducing the manual admin that surrounds meetings. Platforms: Zoom / Google Meet / Microsoft Teams. Integrations: Zoom, Google Meet, Microsoft Teams, Notion, Slack. Pricing varies by plan. Check the official website for current pricing.
Best suited for
VITO is a free tier with paid upgrades (freemium); timeOS is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | VITO | timeOS |
|---|---|---|
| Core capability | Automatic speech-to-text transcription of recorded phone calls | Automatic capture and transcription |
| Standout feature | Speaker identification across multi-party conversations | AI summaries and action items |
| Team usage | Chat-style transcripts with keyword search and segment replay | Sync notes to docs and task tools |
| Integrations | Call summaries and follow-up reminders | Multi-language support |
| Languages & capture | Bulk conversion of previously recorded calls | Shareable recaps |
| Best-fit workflow | Cloud storage with PC/web access to transcripts across devices | Automatic capture and transcription |
VITO
Choose VITO if you need reviewing and searching the content of past phone calls — strengths include strong korean speech recognition from returnzero's proprietary stt engine.
timeOS
Choose timeOS if you need automated post-meeting workflows — strengths include automates post-meeting follow-up across tools.
VITO
timeOS
It depends on your workflow. VITO is strong for reviewing and searching the content of past phone calls, while timeOS is strong for automated post-meeting workflows. Both transcribe and summarize meetings.
VITO is a free tier with paid upgrades and timeOS is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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