Celeste AI: Brazilian Portuguese-focused AI voice and transcription platform offering on-demand transcription plus a meeting assistant and AI notes, with credit-based and subscription plans. 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. 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 Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and VITO when capturing and sharing business call details for agents, sales, and small-business owners matters most. Try them side by side on real calls before deciding — needs vary by team.
Brazilian Portuguese-focused AI voice and transcription platform offering on-demand transcription plus a meeting assistant and AI notes, with credit-based and subscription plans.
VITO is a mobile app from ReturnZero that automatically transcribes recorded phone calls into searchable text with speaker labels and summaries, optimized for Korean.
Celeste AI is a Brazilian voice AI and transcription platform that specializes in Portuguese, particularly Brazilian Portuguese, while also processing audio in additional languages such as English, Spanish, German, Italian, and French. Originally known for automated audio-to-text transcription that the company positions as far more efficient than manual transcription, Celeste AI has expanded into a broader suite that includes a Meeting Assistant (Assistente de Reunião) and AI Notes (Notas de IA), alongside transcription and quality-monitoring offerings. The platform uses machine learning speech models tuned for Portuguese and is offered both as an on-demand service and via an API, so users and businesses can transcribe content as needed. Its on-demand model lets customers pay only for the hours they actually use by purchasing credits, with flexible subscription plans available for those who have recurring transcription needs. As a Brazilian company connected to local institutions such as FGV Ventures and the São José dos Campos technology park, Celeste AI is oriented toward the Brazilian market and Portuguese-language workflows, and it reports a growing user base. The service is currently operating, with a functioning login, demo requests, and support, and is suited to professionals and companies that need accurate Portuguese transcription and meeting documentation. Pricing varies by plan. Check the official website for current pricing.
Best suited for
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
Celeste AI is a free tier with paid upgrades (freemium); VITO is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | VITO |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Automatic speech-to-text transcription of recorded phone calls |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Speaker identification across multi-party conversations |
| Team usage | AI Notes for organizing transcribed content | Chat-style transcripts with keyword search and segment replay |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Call summaries and follow-up reminders |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Bulk conversion of previously recorded calls |
| Best-fit workflow | API access for integrating transcription into other workflows | Cloud storage with PC/web access to transcripts across devices |
Celeste AI
Choose Celeste AI if you need brazilian teams transcribing meetings and calls in portuguese — strengths include strong focus on brazilian portuguese transcription accuracy.
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.
Celeste AI
VITO
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while VITO is strong for reviewing and searching the content of past phone calls. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and VITO is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Often yes: teams combine tools when one handles capture and another handles analysis.
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