Callr records 2,657 monthly visits with -45.2% month-over-month growth and Free Trial, Paid pricing. Composio records 2,782,603 monthly visits with +22.8% growth and Freemium, Contact for Pricing pricing.
API-first voice, SMS and AI conversation intelligence platform
Give your AI agents secure, authenticated access to 1,700+ apps
| Dimension / Metric | | |
|---|---|---|
| Official Domain | callr.com | composio.dev |
| Pricing Model | Free Trial, Paid | Freemium, Contact for Pricing |
| Monthly Visits | 2.66K (2,657) | 2.78M (2,782,603) |
| MoM Traffic Delta | -2.19K (-45.2%) | +517.42K (+22.8%) |
| Primary Market & Share | 🇮🇳 India (68.8%) | 🇺🇸 United States (28.6%) |
| Direct Visits / mo | 1.04K | 1.24M |
| User Rating | 4.2 | 4.5 |
| Supported Platforms | Website | Website |
API-first voice, SMS and AI conversation intelligence platform
REST API, webhooks and serverless flows for inbound and outbound voice, SMS, email and IVR across 220+ countries on Callr's own carrier network.
Automatic transcripts, AI summaries, sentiment, intent, satisfaction scoring and campaign attribution generated from each call with prompts you control.
Low-code flow builder for agents that answer, qualify, book and resolve calls end to end, escalating to a human when it matters.
Connect GPT, Claude, Mistral, Llama or a private in-house model so extraction logic and data residency stay under your control.
Give your AI agents secure, authenticated access to 1,700+ apps
A large catalog of pre-built integrations spanning productivity, CRM, support, engineering, finance, HR, and e-commerce apps, each exposing callable actions to your agent.
Composio runs OAuth flows, stores and refreshes credentials, and enforces per-action permission scopes so agents act only where you allow them.
One managed MCP endpoint that connects Claude, ChatGPT, Codex, Cursor, and other MCP clients to your entire tool catalog in a few clicks.
Start background agents from events occurring across connected apps, so work can begin without a user prompt.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
SpecialistLeading unified LLM model gateway, but strictly handles model inference rather than third-party SaaS tool integrations and authentication.
SpecialistLeading unified LLM model gateway, but strictly handles model inference rather than third-party SaaS tool integrations and authentication.
Real-time voice AI models and agents you can build on
Real-time speech-to-text, text-to-speech and voice agents in one API platform
Real-time speech-to-text, text-to-speech and voice agents in one API platform
AI communication platform for sales and support teams
Build, test, and deploy production-grade voice AI agents over API
Free / Open-sourceExceptional open-source gateway for LLM provider routing, but lacks Composio's extensive library of SaaS tool integrations and auth.
Free / Open-sourceOpen-source MCP gateway and pay-per-call catalog, but offers less extensive managed authentication workflows than Composio.
SpecialistRobust TypeScript framework for agent workflows and tools, but requires writing custom integration code instead of pre-built connectors.
Powerful universal API infrastructure for connecting agents to B2B data, but focuses more on unified SaaS data than tool execution.
Excellent managed authentication and event triggers for agent workflows, but less specialized around native MCP gateway protocols.
SpecialistComprehensive enterprise LLM gateway and guardrails, but focuses more on model routing than third-party SaaS tool execution.
SpecialistComprehensive enterprise LLM gateway and guardrails, but focuses more on model routing than third-party SaaS tool execution.
