AI · alternatives · 2026

24 alternatives to An hour in front of you? Build your own on-device Voice AI

This is an on-device voice AI tool that lets users build custom voice applications locally on their hardware. Launched in 2017, it enables developers and businesses to create voice-based systems without relying on… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. An hour in front of you? Build your own on-device Voice AI launched in 2017; newer entries below may have overtaken it.

1
api.ai▲299
Build your own Siri. Speech interface for apps and devices.
2014 · its alternatives →
2
Play AI▲447
The voice interface of AI
2024 · its alternatives →
3
AI Voices by Asyncflow v1.0▲401
Premium AI voice quality without the premium price tag.
2025 · async.com · its alternatives →
4
Snips Voice Platform▲374
The first AI-powered voice assistant with privacy
2017 · snips.ai · its alternatives →
5
AI Voice Agent SDK▲270
The open-source framework for real-time AI voice
2025 · videosdk.live · its alternatives →
6
Voiceflow▲607
Build voice apps in your browser without coding
2019 · voiceflow.com · its alternatives →
7
API.AI for Google Assistant▲378
Build conversation actions for Google Home and more
2016 · its alternatives →
8
Voicebun▲189
Hey HN, I built Voicebun as a pet project because I was frustrated with how locked-down and rigid voice agents still are—many tools are either closed platforms, lack deep customization, or charge a lot just to test ideas. I wanted a way to quickly spin up AI voice agents that I could fully control—from the voice itself to the logic behind every word. Voicebun is an open-source voice agent builder. You can: - Clone voices and generate audio using your own scripts and prompts - Dynamically change prompts based on user input - Add custom logic through functions and webhooks (e.g. hit an API,…
2025 · voicebun.com · its alternatives →
9
Retell AI▲296
API that helps developers build human-like voice agents
2024 · retellai.com · its alternatives →
10
GPT-3 Custom AI Voices▲220
Combine GPT-3 with custom high quality AI voices
2021 · resemble.ai · its alternatives →
11
Klariqo AI Voice Assistants▲199
AI Voice assistant in 3 minutes. Built for non-developers
Nov 2025 · klariqo.com · its alternatives →
12
Daily Bots▲223
Build voice-to-voice AI agents with any LLM with Open Source
2024 · daily.co · its alternatives →
13SA
Siri-as-a-Service Speech API▲242
2014 · wit.ai · its alternatives →
14
Speech-to-Speech▲119
Use your voice to create realistic AI speech in real-time
2022 · resemble.ai · its alternatives →
15
VoiceXD▲86
Design and build custom AI assistants
2023 · its alternatives →
16
Voicetypr▲109
Speech to text for writing thoughts faster & privately
Oct 2025 · voicetypr.com · its alternatives →
17
Vomyra AI – Voice AI Agent▲130
A low-code , No-Code Voice AI agents for everyone
2025 · vomyra.com · its alternatives →
18
Voice Creator▲9
Where Conversational AI meets actionable AI
2025 · its alternatives →
19
Smoove Call▲18
Build and deploy custom AI Voice Agents for your business
2025 · smoovecall.com · its alternatives →
20
Call an AI▲104
Human-like AIs, available via phone 24/7
2024 · callanai.com · its alternatives →
21
Voice Agents▲105
Turn expertise into 24/7 client-facing AI voice agents
Apr 2026 · mindpal.space · its alternatives →
22
Bolcho AI▲103
Build Voice AI agents that actually speak India
Aug 2026 · bolchoai.in · its alternatives →
23
Solo Voice▲72
Private by architecture, not by promise.
Mar 2026 · solovoice.eu · its alternatives →
24
One Click Deploy▲96
Deploy your LiveKit Voice AI agents instantly
2025 · oneclickdeploy.co · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →