Alternatives
10 best Underheard alternatives
Tools that cover the same task as Underheard (customer voice research), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 9, 2026.
- Underheard starts at
- Not listed
- Free plan
- Free trial
- API
- API unknown
- 01
Assindo
Assindo is a personal AI agent that makes phone calls, searches the web, posts to social networks, schedules tasks, and executes multi-step workflows from mobile or browser apps. It contrasts with self-hosted agents by offering a managed cloud service without Docker setup.
Best for: Professionals and consumers who want a voice-capable AI agent for calls, research, and social posting without running their own server.
- 02
Inqueria
Inqueria runs AI-moderated voice interviews and synthesizes themes with supporting and dissenting transcript quotes. Its plans add study capacity, exports, client sharing and team features.
Best for: Useful for researchers collecting customer feedback and tracing themes back to interview evidence.
- 03
LM Studio
LM Studio is a desktop app for running local LLMs with the Bionic agent for work, code, and voice transcription. It combines on-device inference via llama.cpp and MLX with optional US-hosted cloud models under zero-data-retention policies.
Best for: Developers and knowledge workers who want local-first AI with optional frontier open models in the cloud.
- 04
Voice.ai
Voice.ai combines a free voice changer desktop experience with a Voice Agent platform for inbound and outbound phone automation, plus text-to-speech and audio cleanup tools. Plans scale credits for TTS minutes, agent minutes, and audio utilities with concurrent generation limits per tier.
Best for: Creators experimenting with AI audio and businesses automating phone conversations who want one vendor for agents, TTS, and lightweight audio tools.
- 05
Altered
Altered provides professional AI voice changing software for real-time calls and post-production workflows. Altered Studio focuses on speech-to-speech voice morphing, cloning, and editing, while Real-Time Pro targets gamers, call centers, and voice restoration use cases.
Best for: Voice creators, streamers, and media teams who need morphing, cloning, and cleanup in both live calls and recorded content.
- 06
BarberReceptionist
BarberReceptionist answers barbershop and salon calls with an AI agent that can capture clients, book appointments and handle rescheduling. Owners configure services, durations and availability, with dedicated phone numbers, call analytics and confirmation workflows.
Best for: Barbershops wanting an answering and booking workflow while staff are occupied with clients.
- 07
Musicfy
Musicfy is an AI music and voice platform for generating songs, covers, and voice models from user audio. Subscription tiers raise monthly song counts, upload limits, voice targeting, and commercial licensing.
Best for: Musicians and creators experimenting with AI vocals, covers, and generative song workflows.
- 08
11ai
11.ai resolves to ElevenAgents, ElevenLabs’ platform for deploying conversational voice and chat agents across phone, web, WhatsApp, SMS, and email. Teams configure knowledge, workflows, guardrails, and monitoring from a unified builder.
Best for: Enterprises and startups that need low-latency multilingual voice or chat agents with telephony and workflow tooling.
- 09
DialLink's AI Voice Agents
DialLink combines business telephony, SMS, WhatsApp messaging, and AI voice agents in one platform with local or toll-free numbers in 100+ countries. AI features summarize calls, extract action items, tag intent, and power AiVA agents that handle inbound and outbound conversations across Professional and Enterprise plans.
Best for: Small businesses that want unified calling, messaging, and AI voice agents without juggling separate phone and chatbot vendors.
- 10
Kits AI
Kits AI provides studio-quality AI audio tools for musicians, including custom voice models, vocal conversions, cloning, and royalty-free outputs. Creators train or pick voices, convert recordings, and download stems from browser or desktop apps.
Best for: Musicians and producers who need AI singing voices, cloning, and conversions in a royalty-free workflow.
Underheard alternatives: common questions
What is the best free alternative to Underheard?
Inqueria has an ongoing free plan. 3 interviews/month, one active study and 10 insight refreshes/month; no card required. Free plans change, so check the vendor before relying on one.
What is the cheapest Underheard alternative?
Voice.ai has the lowest listed starting price at $5/mo.
Which Underheard alternatives have an API?
Assindo, LM Studio, Voice.ai, Altered, 11ai mention API or developer access.