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. Némos: An Apple-focused "second brain" app that records and auto-transcribes voice memos and meeting notes entirely on-device using Apple Intelligence. 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 Némos when capturing spoken thoughts as voice memos and converting them to searchable, formatted notes matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
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.
An Apple-focused "second brain" app that records and auto-transcribes voice memos and meeting notes entirely on-device using Apple Intelligence.
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
Némos is a personal knowledge management ("second brain") app for the Apple ecosystem that captures and automatically organizes many content types, including voice memos that it records and transcribes on-device. Rather than joining video calls as a bot, it captures audio directly from the iPhone or Apple Watch and converts speech to text locally using Apple Intelligence Foundation Models, so data stays on the device. Transcribed audio becomes fully searchable, and recordings can be turned into formats such as bullet points, summaries, meeting notes, emails, or journal entries. Beyond voice, Némos handles screenshots with OCR, links, PDFs, notes, photos, and more, naming and filing them automatically without manual tagging. It runs on iPhone and iPad (with Apple Watch recording, Siri commands, and Chrome, Safari, and Firefox extensions), and offers two-way sync with Apple Reminders, Calendar, Notes, Photos, Files, Maps, and iCloud. It is aimed at students, researchers, writers, and professionals who want private, low-effort capture of voice and other notes. As of mid-2026 it is in private beta.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Némos is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Némos |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | On-device voice memo recording and automatic speech-to-text transcription |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Local AI processing via Apple Intelligence Foundation Models (data stays on device) |
| Team usage | AI Notes for organizing transcribed content | Auto-formatting of recordings into summaries, meeting notes, bullets, email, or journal entries |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Full-text search across transcribed audio and other captured content |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Apple Watch voice recording and Siri voice command support |
| Best-fit workflow | API access for integrating transcription into other workflows | Two-way sync with Apple Reminders, Calendar, Notes, Photos, Files, Maps, and iCloud |
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.
Némos
Choose Némos if you need recording and transcribing in-person meetings or lectures on an iphone or apple watch — strengths include privacy-focused: voice transcription and ai run fully on-device, with no cloud upload.
Celeste AI
Némos
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Némos is strong for recording and transcribing in-person meetings or lectures on an iphone or apple watch. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Némos 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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