Ada vs Retell AI
Ada
ada.cx
Retell AI
retellai.comSide by side
| Figure | Ada | Retell AI |
|---|---|---|
| Price from | — | $0.07/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 0 | 4 |
| Spec score · Voicebot Software | 8.0 (#7) | 7.9 (#10) |
| Spec score · Conversational AI Platforms | 8.0 (#19) | 7.9 (#22) |
| Channels | Ada offers customer service products for voice, messaging, and email. | The platform supports voice calls, web and in-app chat, SMS, and custom communication experiences through an API. |
| Integrations | Ada’s integrations page lists connections for customer service systems, including Aircall and Amadeus. | The integrations directory lists Twilio, GoHighLevel, HubSpot, Salesforce, Zapier, Make, n8n, and Google Workspace. |
| Product | Ada describes its product as an agentic customer experience platform with AI customer service agents that resolve customer issues, take actions, and improve over time. | Retell describes its platform as a tool to build, deploy, and manage AI voice agents for phone calls. |
| Security | Ada says it uses built-in safeguards and continuous monitoring, has zero data retention policies with LLM providers, and conducts annual independent penetration testing. | The homepage states that Retell is compliant with HIPAA, SOC 2 Type II, GDPR, and ISO 27001. |
Plans
Retell AI
- Pay as you go$0.07 a month
- EnterprisePriced on request
- Pay as you goFree
- Enterprise PlanPriced on request
In their own words
Ada
Ada is a customer experience platform that provides AI agents for customer service. Its agents are designed to resolve inquiries and perform tasks through connected business systems, using channels that include voice, messaging, and email. Ada describes support for multilingual experiences across channels, preserving customer identity, context, and conversation continuity. The platform includes a visual flow builder, AI bot generation, knowledge-base answers, and human handoff, as well as tools to test, analyze, and optimize agent performance. Agents can use API, Code, and MCP tools through business systems under customer controls; open APIs and SDKs connect the platform with enterprise systems and workflows. Listed integrations include Zendesk, Salesforce, Amazon Connect, Freshworks, Genesys, ServiceNow, and Twilio Flex. Ada states that it has HIPAA, SOC 2, GDPR, PCI DSS, and AIUC-1 compliance, and describes zero data retention policies with LLM providers, safeguards, and continuous monitoring. The service is paid and has no free plan; pricing is not published. Ada invites prospective customers to schedule a custom demo and says its team will reach out within one business day to arrange a 30-minute call.
Retell AI
Retell AI is a platform for building, deploying and managing AI agents that handle phone calls. Agents can also work through web and in-app chat, SMS and custom API-based communication. A visual canvas supports call flows with functions, integrations, transfers, DTMF, SMS and custom logic. Teams can simulate scenarios, turn production calls into regression tests and QA calls. Deployment options include inbound calls, outbound campaigns, web and SMS, including a website widget. Call handling includes IVR navigation, live monitoring and transfer or takeover by a person. The integrations directory names Twilio, GoHighLevel, HubSpot, Salesforce, Zapier, Make, n8n and Google Workspace. The homepage lists HIPAA, SOC 2 Type II, GDPR and ISO 27001 compliance, along with SSO, personal information redaction and module-level role permissions. Enterprise on-premise deployment is available within a customer’s infrastructure. Pay as you go is listed at $0.07 a month, with voice agents priced at $0.07-$0.31 per minute, $10 in free credits and 20 concurrent calls included. Enterprise pricing is custom.