Home Categories Deals Sign Up
Apollo.io

Apollo.io

The AI-powered B2B sales platform that replaces your data provider, outreach tool, dialer, enrichment engine, and CRM — 210M+ contacts, smart sequences, and AI agents, all in one platform.

Try Apollo.io
VS
Chatbase AI

Chatbase AI

Build, deploy, and optimize AI support agents trained on your own data — with voice, telephony, live chat escalation, and 20+ integrations in one platform.

Try Chatbase AI

Quick Comparison: Apollo.io vs Chatbase AI

A high-level overview of pricing, key strengths, and use cases to help you choose the right tool fast.

Features
Apollo.io
Chatbase AI
Quick View
Apollo.io is an AI-powered B2B sales intelligence and engagement platform co-founded in 2015 by Tim Zheng and Ray Li in San Francisco. It gives sales…
Chatbase is a leading AI customer support platform that lets businesses build and deploy intelligent AI agents trained on their own data — website content,…
Pricing
Freemium: Starting at $49/mo
Freemium: Starting at $32/mo
Key Strength
• 210M+ Contact Database with 65+ Advanced Filters — Search the world's largest B2B contact database by job title, seniority…
• Multi-Source AI Agent Training — train agents on website URLs, PDFs, uploaded documents, Notion pages, and previous helpdesk tickets…
Best For
Apollo.io serves a wider range of sales teams than any other tool in its category — from first-time SDRs on…
Chatbase is built for businesses that want a production-grade AI support agent — not a basic FAQ bot — with…

Detailed Feature Breakdown

Go deeper into the specific capabilities, pros, cons, and integrations of both platforms.

Features
Apollo.io
Chatbase AI
Overview

Apollo.io is an AI-powered B2B sales intelligence and engagement platform co-founded in 2015 by Tim Zheng and Ray Li in San Francisco. It gives sales teams access to 210M+ contacts and 30M+ companies with 65+ search filters, AI-powered multichannel outreach sequences, real-time data enrichment, inbound lead routing, conversation intelligence, and AI sales agents — all from one platform.

Backed by $251.3M in funding at a $1.6B valuation, trusted by 500,000+ companies from startups to Fortune 500s, and rated 4.7/5 from 9,015+ G2 reviews, it is the most widely used and reviewed all-in-one sales platform in the market.

Chatbase is a leading AI customer support platform that lets businesses build and deploy intelligent AI agents trained on their own data — website content, PDFs, docs, Notion, and previous tickets — to handle customer queries, take real actions inside connected systems (Stripe, Zendesk, Salesforce, HubSpot, Shopify), and escalate complex issues to humans via live chat or helpdesk ticket.

Trusted by 10,000+ businesses worldwide, it supports text and voice interactions, 80+ languages, and enterprise-grade security with SOC 2 Type II and GDPR compliance on all plans.

Key Features

• 210M+ Contact Database with 65+ Advanced Filters — Search the world's largest B2B contact database by job title, seniority level, company size, industry, location, technology stack, funding stage, hiring signals, and buyer intent data to build hyper-targeted prospect lists for any ICP.

• AI-Powered Multichannel Sequences — Build automated outreach campaigns combining email, LinkedIn touches, phone calls, and task reminders in one coordinated sequence; includes A/B testing, send-time optimization, email deliverability guardrails (SPF/DKIM/DMARC checks, spam word detection, bounce management), and reply detection that auto-pauses follow-ups.

• AI Sales Agents (SDR Agent, Research Agent, Deals Agent, GTM Agent) — Four specialized AI agents automate the most time-intensive GTM tasks: the AI SDR Agent builds and runs outbound campaigns autonomously; the Research Agent enriches lead records with real-time company data; the Deals Agent prepares reps for every conversation with meeting intelligence; the GTM Agent orchestrates cross-functional go-to-market workflows.

• Inbound Intelligence (Visitor ID + Form Enrichment + Lead Routing) — Identifies anonymous website visitors, enriches form submissions with Apollo's full contact and company data in real time, and instantly routes qualified leads to the right rep via built-in calendar scheduling and automated nurture sequences — preventing hot inbound leads from going cold.

• Data Enrichment & CRM Cleansing — Continuously enriches and cleanses contact and company records across your CRM with always-fresh data from Apollo's network; supports Salesforce, HubSpot, and custom CRM enrichment workflows with job change alerts and signal-based re-engagement triggers.

• Conversation Intelligence & Deal Execution — AI-powered call recording, transcription, call summaries, next-step generation, pipeline boards, real-time deal alerts, conversation coaching dashboards, and meeting prep briefs keep every deal moving and every rep developing.

• Built-In Dialer & Email Infrastructure — Native click-to-call dialer with local presence, call recording, and voicemail drop; dedicated email sending infrastructure with deliverability guardrails and custom tracking domains — no external dialer or email service required.

• Apollo Academy + 24/7 AI Help + Community — Always-on educational resources including Apollo Academy courses, tutorials, weekly webinars, a community forum, and 24/7 AI chat support; live personalized onboarding included on all paid plans.

• Multi-Source AI Agent Training — train agents on website URLs, PDFs, uploaded documents, Notion pages, and previous helpdesk tickets simultaneously; agents auto-retrain when source content changes (Standard plan and above), keeping responses current without manual retraining.

• AI Actions with System Integrations — configure the agent to take real actions mid-conversation: look up order status in Shopify, update subscriptions in Stripe, open tickets in Zendesk or Freshdesk, book meetings via Calendly or Cal.com, and query data from Salesforce, HubSpot, Intercom, Helpscout, and Zoho Desk.

• Voice and Telephony Support — deploy AI agents that speak to customers out loud using natural voice in 80+ languages (Standard plan+); telephony integration lets agents handle real phone calls with configurable voice settings, speed, stability, and per-call recording for training.

• Smart Escalation to Human Agents — instruct the agent in natural language on when to escalate; it hands off to a live chat agent or opens a helpdesk ticket automatically, passing the full conversation transcript and context so the human never asks the customer to repeat themselves.

• Multi-Model Comparison Tool — A/B test your agent across GPT-4o, Claude, Gemini, DeepSeek, Meta Llama, and MoonshotAI models to find the best accuracy-to-cost balance for your specific content type — no rebuilding required to switch models.

• Omnichannel Deployment — deploy the same trained agent across your website chat widget, WhatsApp, Facebook Messenger, Instagram, Slack, and email; all conversations sync to your analytics dashboard regardless of channel.

• Enterprise-Grade Guardrails — AI-powered guardrails prevent the agent from answering off-topic questions, sharing sensitive information, or generating misinformation; agents use verified variables to ensure customers can only access their own data inside connected systems.

• Advanced Analytics and Insights — track resolution rate, conversation volume, escalation triggers, message credit usage, agent performance by source, customer satisfaction signals, and session recordings (voice) to continuously optimize your agent's accuracy and coverage.

Pros
  • Permanently free plan with 100 credits, unlimited email sends (Gmail/Microsoft), and full database access — the most generous free tier in B2B sales intelligence, driving 500,000+ company signups
  • 4.7/5 from 9,015+ G2 reviews — the highest volume of verified reviews of any sales intelligence or outreach platform in the market
  • Replaces five separate tools (data provider, outreach platform, dialer, enrichment, CRM) — teams report 64% lower tech stack costs and 4x SDR efficiency improvement
  • Backed by $251.3M from Bain Capital Ventures, Sequoia Capital, and Tribe Capital at $1.6B valuation — financial stability and R&D investment that smaller bootstrapped tools cannot match
  • Four specialized AI agents (SDR, Research, Deals, GTM) automate the most time-intensive parts of the sales workflow with no additional tool purchase
  • Full compliance stack: GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS — the broadest enterprise-grade compliance certifications of any tool in its category
  • Job change alerts and intent signals surface the highest-probability buyers before competitors reach them
  • SOC 2 Type II certified and GDPR compliant on all plans including free — no security add-on required
  • Voice and telephony support on the Standard plan at $120/month — rare at this price for an AI agent builder
  • Multi-model A/B testing (GPT-4o, Claude, Gemini, DeepSeek, Meta, MoonshotAI) lets you optimize accuracy without rebuilding
  • Auto-retrain on Standard and above keeps agents current whenever your source content changes
  • Native integrations with Stripe, Zendesk, Salesforce, HubSpot, Freshdesk, Intercom, Shopify, WhatsApp, and Slack — all on Standard plan
  • No credit card required to start — free plan includes 1 agent and 50 message credits/month
  • Enterprise-grade guardrails prevent off-topic and sensitive responses — critical for regulated industry deployments
Cons
  • Credit system complexity — phone credits cost 8x more than email credits, credits expire at the end of each billing cycle (no rollover on standard plans), and overage credits at $0.20 each with a 250-minimum purchase add unexpected costs at volume
  • Organization plan requires a minimum of 3 users ($357/month annual minimum) — teams smaller than 3 seats cannot access advanced features like AI agents and custom reporting without paying per-user pricing
  • Data accuracy is strong globally but mixed for mobile phone numbers outside the US and Western Europe — European teams specifically report lower phone coverage than Kaspr or Cognism
  • Customer support quality on lower tiers receives consistent criticism across G2 and independent reviews — free and Basic plan users report slow response times and bot-first support experiences
  • Feature depth in some areas (call intelligence, advanced deal management) lags behind dedicated point solutions like Gong, Chorus, or Outreach — teams with mature revenue operations may still need specialist tools alongside Apollo
  • Historical data breach in 2021 (240M records exposed) remains a reputational concern for enterprise procurement teams conducting security due diligence, despite subsequent SOC 2 and ISO 27001 certification
  • Free plan agents are deleted after 14 days of inactivity — a strict limit that disrupts seasonal or low-traffic deployments
  • Message credit limits are tight: 500/month on Hobby, 4,000 on Standard — high-volume sites exhaust credits and face $40/1,000 overage costs
  • White-label branding removal costs $1,188/year as an add-on — not included until the Enterprise plan
  • Extra AI agents cost $300/agent/year on top of any plan — building a multi-agent workspace becomes expensive quickly
  • The Standard plan allows only 3 workspace members — small agencies managing multiple client deployments need the Pro plan at $400/month for 5 members
  • No built-in knowledge base CMS — articles must be managed in external tools (Notion, website, PDFs) and re-synced to train the agent
Best For

Apollo.io serves a wider range of sales teams than any other tool in its category — from first-time SDRs on the free plan to Fortune 500 enterprise GTM teams on custom Organization plans.

• SDRs and outbound sales reps at growth-stage companies — use Apollo's 210M+ database with 65+ filters to build highly targeted prospect lists, launch automated multichannel sequences, and manage call tasks from one platform without juggling multiple tool subscriptions.

• Founders and solo sales operators doing outbound — start on the free plan with 100 credits and unlimited email sends to validate ICP fit before investing in paid prospecting; upgrade to Basic at $49/mo only when volume demands it.

• Revenue operations and sales managers — use Apollo's enrichment workflows to keep CRM data fresh, leverage AI agents to automate SDR-level tasks, and use conversation intelligence and coaching dashboards to identify performance gaps and replicate top-rep behaviors across the team.

• Enterprise GTM teams consolidating tech stacks — replace a 5-tool stack (ZoomInfo + Outreach/SalesLoft + Gong + Clearbit + Salesforce enrichment) with Apollo's Organization plan and AI agents to reduce per-rep tool costs while centralizing data, outreach, and deal intelligence in one governed platform.

Chatbase is built for businesses that want a production-grade AI support agent — not a basic FAQ bot — with real system integrations, voice support, and enterprise security from a single platform.

• E-commerce businesses on Shopify — connect product catalog, order management, and returns data so the agent handles the most common support queries (order status, returns, product questions) completely autonomously 24/7.

• SaaS companies and software teams — Stripe, Zendesk, Salesforce, HubSpot, Intercom, and Freshdesk integrations let the agent check subscription status, process account changes, and open tickets without human involvement.

• Customer support managers reducing ticket volume — smart escalation with full context handoff, auto-retrain, and advanced analytics let managers continuously improve agent coverage and resolution rate over time.

• Developers and technical teams — the REST API (Standard+), client libraries, and component library allow Chatbase agents to be embedded directly into custom products and internal tools as a native support experience.

• Enterprise support operations in regulated industries — SOC 2 Type II, GDPR compliance, enterprise-grade guardrails, SSO, audit logs, custom roles, and a dedicated CSM on the Enterprise plan meet the requirements of healthcare, fintech, and legal organizations.

Pricing Details

Free ($0/mo, unlimited users): 100 credits total (not per month), unlimited B2B email sends (Gmail and Microsoft only), basic sequence automation, access to full 210M+ contact database with limited filters, basic email open/click tracking, limited CSV export, HubSpot and Salesforce basic integrations, Apollo Academy access, 24/7 AI chat support.

Basic ($59/mo monthly, $49/user/mo billed annually): 5,000 credits/month, unlimited email sends (all email providers), full sequence automation with A/B testing, all 65+ database filters, email deliverability center, job change alerts, buy intent data (basic), advanced integrations (HubSpot, Salesforce, Pipedrive, Outreach, SalesLoft), CSV export (unlimited), LinkedIn extension, click-to-call dialer, call recording, live onboarding, 24/7 AI chat + email support.

Professional ($99/mo monthly, $79/user/mo billed annually): 10,000 credits/month, everything in Basic plus AI-assisted email writing, advanced filters and intent signals, email reply tracking, conversations (call intelligence), deal management, advanced reporting, custom fields, sequence analytics, video prospecting, AI research assistant, LinkedIn automation steps in sequences, priority support.

Organization ($149/mo monthly, $119/user/mo billed annually, minimum 3 users): 15,000 credits/month, everything in Professional plus AI SDR Agent, AI Deals Agent, AI GTM Agent, inbound visitor identification, real-time form enrichment, lead routing and scheduling, advanced CRM enrichment and cleansing, custom roles and permissions, SSO (SAML), advanced security settings, data privacy controls, custom reporting, dedicated onboarding, phone support, CSM access.

Free ($0/mo): 1 AI agent, 50 message credits/month, 400 KB training content, 1 workspace member, limited AI models, basic chatbot deployment. Note: agents deleted after 14 days of inactivity.

Hobby ($32/mo, $384/yr billed annually): Everything in Free plus access to advanced AI models, 500 message credits/month, 5 AI Actions per agent, 10 MB training content, 2 workspace members, integrations, basic analytics, file attachments.

Standard ($120/mo, $1,440/yr billed annually): Everything in Hobby plus 4,000 message credits/month, 8 AI Actions per agent, 20 MB training content, 3 workspace members, help desk integration, Voice, Telephony, API access, personalization, auto-retrain agents, advanced integrations (Stripe, Zendesk, Salesforce, Intercom, HubSpot, Zoho Desk, Freshdesk, Helpscout, Sunshine, Zapier, Twilio, Shopify, Slack, WhatsApp, Messenger, Instagram, Calendly, WordPress).

Pro ($400/mo, $4,800/yr billed annually): Everything in Standard plus 15,000 message credits/month, 12 AI Actions per agent, 40 MB training content, 5 workspace members, 20 concurrent voice calls, advanced analytics, sources suggestions, tickets as a source.

Enterprise (Custom pricing — contact sales): Everything in Pro plus higher limits, custom roles and permissions, SSO, white-labeling, audit logs, priority support, dedicated Customer Success Manager, SLAs.

Add-Ons: Auto-recharge credits at $40 per 1,000 non-expiring credits; extra AI agents at $300/agent/year; remove 'Powered by Chatbase' branding at $1,188/year.

Unique Features

Apollo.io's competitive position rests on three structural advantages that no single competitor has simultaneously replicated: database scale, product breadth, and product-led growth velocity.

• 210M Contact + 30M Company Database With Continuously Refreshed Intent Data — Apollo's database is among the largest in B2B sales intelligence, and unlike static databases, Apollo refreshes contact and company data continuously using AI-driven verification. The addition of buyer intent signals — tracking which companies are actively researching topics relevant to your product — lets Apollo users prioritize outreach to the accounts most likely to convert right now, not just the accounts that fit the ICP. No tool at Apollo's price range offers both this scale and intent data natively.

• Four Specialized AI Agents Replacing Human Labor Across the GTM Funnel — Apollo's AI SDR Agent, Research Agent, Deals Agent, and GTM Agent are not generic chatbots — they are purpose-trained agents that automate specific GTM tasks: building and running outbound campaigns (SDR Agent), enriching and briefing reps before meetings (Research Agent and Deals Agent), and orchestrating cross-functional go-to-market workflows (GTM Agent). The depth of task automation across all four stages of the funnel — find, engage, meet, close — is matched only by custom AI-agent stacks costing 5x+ the price.

• Inbound + Outbound in One Platform (Visitor ID + Form Enrichment + Lead Routing) — Apollo is one of the only platforms in its price range that handles both outbound prospecting and inbound lead capture in a single workflow. Anonymous visitor identification surfaces the companies behind your website traffic, form enrichment completes lead records in real time, and instant lead routing with built-in scheduler ensures hot inbound leads are contacted within minutes. Most sales teams run a separate tool for each of these functions — Apollo's unification produces the 70% increase in lead conversion its customer base reports.

• Product-Led Growth at $1.6B Scale — Apollo's free plan is genuinely functional — not a feature-crippled demo — and it is the reason 500,000+ companies have adopted it without a sales call. This PLG flywheel funds continuous product investment: Apollo grew ARR 40% in 2024 and reported 500% growth on its AI platform in 2025, enabling R&D velocity that bootstrapped competitors simply cannot match.

Chatbase stands apart from other AI chatbot builders by combining agentic AI capabilities, voice and telephony, multi-model A/B testing, and enterprise-grade security in a single platform — accessible from $32/month.

• Agentic AI with Real System Actions — unlike tools that only answer questions, Chatbase agents take real actions inside your connected systems mid-conversation — updating subscriptions in Stripe, checking orders in Shopify, opening tickets in Zendesk — without any human involvement or developer code.

• Voice and Telephony at the Standard Tier — voice AI that speaks to customers in 80+ languages with configurable voice settings, speed, and per-call recording is available at $120/month; most competitors charge $200–$500/month for equivalent voice capabilities.

• Multi-Model A/B Testing Tool — compare GPT-4o, Claude 3.5, Gemini, DeepSeek, Meta Llama, and MoonshotAI on your specific content side-by-side before choosing a model; this model flexibility is baked into the platform rather than requiring a rebuild for each test.

• SOC 2 Type II + GDPR on All Plans Including Free — enterprise security compliance with zero surcharge on any tier is a genuinely rare commitment; most competitors reserve SOC 2 for enterprise contracts costing $1,000+/month.

• Enterprise-Grade Guardrails Built In — AI-powered content guardrails prevent off-topic responses, sensitive data exposure, and misinformation automatically across every deployed agent, without requiring the customer to write custom safety prompts.

Integrations

Apollo.io integrates with every major CRM, sales engagement platform, marketing automation tool, and communication platform used by modern B2B sales and marketing teams.

• Salesforce & HubSpot (Deep Bidirectional Native Sync) — Full two-way sync with Salesforce and HubSpot including contact creation, deal and opportunity management, activity logging, sequence enrollment triggers, custom field mapping, and advanced CRM data enrichment that continuously refreshes stale contact and company records; available from Basic plan with advanced features on Organization.

• Outreach, SalesLoft & Marketo (Sales Engagement + Marketing Automation) — Native integrations with Outreach and SalesLoft allow teams already on those platforms to use Apollo purely as a data layer, pushing enriched contacts into existing sequences; Marketo and Sendgrid integrations connect Apollo's data and intent signals to marketing automation and email delivery infrastructure.

• LinkedIn (Chrome Extension + Sequence Steps) — Apollo's LinkedIn Chrome extension enriches any LinkedIn profile with Apollo data in one click; Professional plan and above adds LinkedIn automation steps (connection requests, messages, InMail) directly inside Apollo sequences, enabling true multichannel outreach without a separate LinkedIn tool.

• Zapier, Webhooks & Full API (Organization and Custom Plans) — Zapier integration connects Apollo to 5,000+ external tools; real-time webhooks fire on lead events (new contact, email opened, reply received, job change detected) for custom GTM stack integration; the full REST API is available on Organization and Custom plans for engineering-led teams building Apollo's data and engagement layer into proprietary workflows.

Chatbase integrates with 20+ platforms natively on the Standard plan and above, covering the full range of CRM, helpdesk, e-commerce, and messaging tools.

• CRM and helpdesk platforms — Salesforce, HubSpot, Zendesk, Freshdesk, Intercom, Helpscout, Zoho Desk, and Sunshine all connect natively; the agent queries these systems for customer data, subscription status, and ticket history mid-conversation, and can create or update records without human intervention.

• E-commerce and payments — Shopify and Stripe integrations allow the agent to look up order status, process subscription changes, and handle billing queries autonomously; agents use verified variables to ensure each customer only sees their own data.

• Messaging and social channels — WhatsApp, Facebook Messenger, Instagram, and Slack all connect natively so the same trained agent deploys across every channel from one dashboard without duplicate configuration.

• Scheduling and calendar tools — Calendly and Cal.com integrations allow the agent to check availability and book meetings mid-conversation, turning support interactions into pipeline opportunities automatically.

• Automation and developer tools — Zapier connects Chatbase to 3,000+ additional apps; Twilio handles SMS and telephony; the REST API, client libraries, and component library on the Standard plan give engineering teams full programmatic control for embedding agents into custom products.

Frequently Asked Questions

Expert Verdict

Final Analysis: Which is better?

The honest verdict: Apollo.io excels for Apollo.io serves a wider range of sales teams than any other tool in its category. at Freemium: Starting at $49/mo. Chatbase AI is stronger for Chatbase is built for businesses that want a production-grade AI support agent — not a. at Freemium: Starting at $32/mo. The AI tool category has room for both — your decision should be driven by which specific capabilities matter most to your team in 2026.

Promote This Comparison

Help others discover this comparison by sharing this page.

✓ Link copied to clipboard!

Member Feedback & Comparison Discussion

0.0
Based on 0 reviews
5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%

Write a Review

Your Rating:

No reviews yet. Be the first to share your thoughts!

48 Similar Related AI Comparisons Tools