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. Vexa: API-first, open-source meeting transcription platform that deploys bots to capture real-time, speaker-labeled transcripts for developers. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist VITO when reviewing and searching the content of past phone calls matters most, and Vexa when streaming live, speaker-labeled transcripts into applications 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.
API-first, open-source meeting transcription platform that deploys bots to capture real-time, speaker-labeled transcripts for developers.
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
Vexa is an API-first, open-source meeting transcription and intelligence platform aimed primarily at developers and technical teams who want to build meeting features into their own products. Rather than being a polished end-user notetaking app, Vexa provides a developer toolkit: it deploys bots that join meetings via a URL, capture audio, and stream back real-time, speaker-diarized transcripts with low latency over WebSocket, alongside REST interfaces for programmatic bot control. Captured data can be stored and queried for retrieval and export, enabling teams to build live transcription, searchable meeting repositories, or downstream analysis on top of the platform. Vexa currently supports Google Meet and Microsoft Teams, with Zoom support indicated as planned, and its codebase is available on GitHub under an Apache 2.0 license, with both self-hosted and managed cloud deployment options. Because it exposes meeting capture and transcription as programmable infrastructure, Vexa is suited to engineering teams in areas like sales, recruiting, and other domains that need to embed meeting intelligence into custom workflows rather than rely on a standalone consumer app. It is best for developers who want control over how transcripts are captured, stored, and used. Pricing varies by plan. Check the official website for current pricing.
Best suited for
VITO is a free tier with paid upgrades (freemium); Vexa is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | VITO | Vexa |
|---|---|---|
| Core capability | Automatic speech-to-text transcription of recorded phone calls | API-first design with REST and WebSocket interfaces |
| Standout feature | Speaker identification across multi-party conversations | Real-time, speaker-diarized transcription with low latency |
| Team usage | Chat-style transcripts with keyword search and segment replay | Deployable bots that join meetings via URL to capture audio |
| Integrations | Call summaries and follow-up reminders | Open-source (Apache 2.0) with self-hosted or managed cloud options |
| Languages & capture | Bulk conversion of previously recorded calls | Data storage with query and export capabilities |
| Best-fit workflow | Cloud storage with PC/web access to transcripts across devices | Supports Google Meet and Microsoft Teams (Zoom planned) |
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.
Vexa
Choose Vexa if you need building custom meeting-intelligence features into a product — strengths include programmable infrastructure for embedding meeting transcription into products.
VITO
Vexa
It depends on your workflow. VITO is strong for reviewing and searching the content of past phone calls, while Vexa is strong for building custom meeting-intelligence features into a product. Both transcribe and summarize meetings.
VITO is a free tier with paid upgrades and Vexa is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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