Carbon Voice
Audio & Voice
Async voice messaging with AI-powered transcription and agents.
- Async Messaging
- AI Agents
- Voice Transcription

Phantom: Voice-first AI assistant for macOS that uses on-demand context to help carry out work across your Mac. Here are 12 alternatives — compare pricing, free plans and API access side by side.
| Tool | Category | Pricing | Starting at | Free plan | API | Open source |
|---|---|---|---|---|---|---|
| Audio & Voice | — | — | ||||
| Audio & Voice | — | — | ||||
| Audio & Voice | Paid | — | ||||
| Audio & Voice | — | — | ||||
| Audio & Voice | Paid | — | ||||
| Audio & Voice | Paid | $15/month | ||||
| Audio & Voice | Freemium | $500/month | ||||
| Audio & Voice | Paid | $10/month | ||||
| Audio & Voice | Free | — | ||||
| Audio & Voice | Paid | — | ||||
| Audio & Voice | Freemium | $6/month | ||||
| Audio & Voice | Freemium | $6.99/month | ||||
| Audio & Voice | Freemium | $17/month |
Audio & Voice
Async voice messaging with AI-powered transcription and agents.

Audio & Voice
Open-source voice agent platform for self-hosting and custom models.
Paid
Audio & Voice
Voice-powered productivity copilot for faster dictation and app control

Audio & Voice
Deploy AI voice agents with 95.7% workflow accuracy for phone call automation.
Paid
Audio & Voice
Build, deploy, and monitor AI voice agents that sound human.
Paid
Audio & Voice
End-to-end voice testing and observability platform for AI agents.
Freemium

Audio & Voice
Context-aware voice typing for Mac and Windows
Paid

Audio & Voice
Builds voice agents using open-source models
Free
Audio & Voice
Transcribes speech to text and extracts insights from voice data.
Paid
Audio & Voice
Generate lifelike speech with AI voices and voice agents.
Freemium

Audio & Voice
Turn Spotify podcasts into text with transcripts and summaries.
Freemium

Audio & Voice
AI transcription and meeting notes in 150+ languages
Freemium