Signal House alternatives

Tools that do what Signal House does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Signal House.

Read 2026-11-04 · Signal House itself: From $1/mo

With a free plan or free to use: Speechify API, Smallest.ai.

10 alternativesUnlike Signal House

#1
IllyVoIP V2 Voice
Provides business calling, phone numbers, SIP trunks, and SMS messaging for teams and carriers.
More widely usedAround longer, since 2006
305
Active
Pay per use
2006
#2
Dialaxy Voice
Cloud phone system with call routing, voicemail, SMS, and CRM integration for contact centers.
Costs moreMore widely used
953k
Active
From $15/mo
#3
Accent Voice MCP · open
Hosted business phone system that routes calls and queues, with call transcription, business texting and CRM links.
Also: Agents, AnalyticsOwn MCP server
725
Active
From $9.99/user/mo
1991
#4
didlogic Voice MCP · sign-in
Provides SIP trunks and DID phone numbers that route voice calls and SMS between VoIP systems and the public phone network.
Also: VoiceMore widely used
7.6k
Active
From $0.01 per use
2006
#5
SendMyCall Voice MCP · open
Rents virtual phone numbers in dozens of countries and routes incoming calls through call flows, voicemail and forwarding to any phone.
Costs moreOwn MCP server
89
Active
From $9.95/mo
2007
#6
ClickPhone Voice MCP · open
Hosts a cloud virtual PBX and SIP trunks that carry business voice calls to desktop and mobile softphones, plus robocalls and bulk SMS.
Own MCP serverMore widely used
11
Active
2007
#7
Retell AI Voice MCP · open
Builds and deploys AI voice agents for phone calls, handling inbound and outbound campaigns with transfers, IVR navigation, and CRM integration.
Also: Voice, AgentsOwn MCP server
91.2k
Active
From $0.07 per use
2023
#8
Goodcall Voice
Deploys AI phone agents to answer and automate customer service and sales calls.
Costs moreAlso: Voice, Agents
1.1M
Active
From $79/mo
2017
#9
Speechify API Voice
Provides a text-to-speech API with voice cloning and emotion control, plus real-time voice agents that handle phone calls.
Free planCosts more
3.8k
Active
From $10/mo
#10
Smallest.ai Voice
Provides speech-to-text, text-to-speech and voice agent models through APIs for real-time phone and app conversations.
Free planAlso: Agents, Voice
4.8k
Active
From $0.09 per use
2023

← Signal House: the full card All Voice tools →

How this list is made: the words Signal House is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.