Comparison
Vavus AI vs SayHi
SayHi is a free voice-conversation translator. Vavus AI adds the full platform around conversation: calls, messaging, keyboard, documents, AI, and enterprise controls.
By Constantine, Founder & CEO · Last updated June 10, 2026
SayHi is a clean, free voice-conversation translator for spoken back-and-forth in common languages. Vavus AI is broader: live voice plus translated calls, encrypted messaging, Vavus Keyboard, documents, OCR, transcription, recorder, AI tools, 200+ translation languages, offline text translation, and regulated deployment controls.
Side-by-side
Feature comparison as of June 2026, based on each product's public documentation (see sources below). SayHi features change — check their site for the latest.
| Feature | SayHi | Vavus AI |
|---|---|---|
| Best fit | Free face-to-face voice conversation. | Complete platform around voice, calls, messaging, keyboard, documents, and AI. |
| Language scope | Voice-conversation focused. | 200+ translation languages, with voice workflows scoped to the supported speech languages and cloud or on-prem processing. |
| Calls and messaging | Not a translated phone/video call or encrypted messaging platform. | Translated voice/video calls and end-to-end encrypted messaging with translation. |
| Keyboard and documents | Not the core product. | Vavus Keyboard, document translation, OCR, transcription, and recorder. |
| Enterprise controls | Consumer app posture. | Client-side encryption, end-to-end encrypted messaging, signed HIPAA BAA, audit logging, SAML 2.0 SSO, and on-prem/self-hosted deployment for regulated teams. |
What SayHi does well
- Clean and simple spoken conversation translation.
- Free consumer experience.
- Good for quick face-to-face exchanges.
- Low learning curve for travelers.
Where Vavus AI is the stronger pick
- Full-context AI translation plus fast sentence-by-sentence translation in one app.
- Live voice, Pro Live, UN Mode, conference rooms, translated calls, and encrypted messaging.
- Vavus Keyboard for dictation, inline translation, reverse translation, and AI writing help.
- Documents, OCR, transcription, recorder, AI Chat, AI Studio, and image generation.
- Client-side encryption, end-to-end encrypted messaging, signed HIPAA BAA, audit logging, SAML 2.0 SSO, and on-prem/self-hosted deployment for regulated teams.
Pick SayHi when
Choose SayHi when you want a simple free tool for quick spoken back-and-forth.
Pick Vavus AI when
Choose Vavus AI when conversation must connect to translated calls, encrypted messaging, keyboard, documents, AI tools, and regulated data paths.
Frequently asked questions
Is Vavus AI a SayHi alternative?+
Yes, for voice conversation, and it adds translated calls, encrypted messaging, Vavus Keyboard, documents, OCR, transcription, AI tools, and enterprise controls.
Should I use SayHi or Vavus AI for work?+
For casual quick speech, SayHi can be enough. For work, healthcare, support, or regulated communication, Vavus AI has the broader workflow and control model.
Sources
Competitor claims on this page were checked against these official pages (accessed June 2026):
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