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Apollo (AI sales assistant)

4.7(9,697 G2 reviews)San Francisco, USAFounded 2015

Apollo.io is an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first fully agentic GTM platform, transforming how revenue teams execute. Going beyond automation, Apollo’s intelligent agents actively drive results across the entire sales funnel – from prospecting to deal management – all in one place. Trusted by millions of users and hundreds of thousands of companies – including Anthropic, Autodesk, and Docusign – Apollo is making world-class go-to-market simple, intelligent, and accessible for all. Apollo serves sales development representatives, account executives, sales leaders, revenue operations, and marketing teams at B2B organizations of various sizes. Teams use Apollo to build and maintain target account lists, orchestrate outbound and inbound motions, manage opportunities, and understand which activities lead to qualified pipeline and closed revenue. Key capabilities include: Data and targeting: Access to a large B2B database with company and contact details, including firmographic, technographic, and buyer signal data, so users can define ideal customer profiles and create precise segments for outreach. Prospecting and enrichment: Tools to search, filter, and save prospect lists, plus enrichment workflows that keep contact and account records up to date in Apollo and connected systems such as CRM. Sales engagement: Multi-step, multi-channel sequences for email, calls, and tasks that standardize how reps follow up with prospects, with controls for timing, throttling, and deliverability. Agentic and AI-assisted workflows: Intelligent agents and AI features that help with account research, lead scoring, message generation, and next-step recommendations so reps can prioritize and personalize at scale. Deal and activity management: Basic CRM-style functionality for tracking opportunities, stages, activities, and notes, giving teams a single view of pipeline health and sales performance. By combining data, engagement, and deal execution in one platform, Apollo is designed to reduce the number of disconnected tools in a typical GTM stack and provide a consistent workflow for building pipeline and managing deals. This helps organizations improve data quality, increase seller productivity, and run more structured, measurable go-to-market programs.

Overall scoreTasks passed divided by all 46 assigned evaluation tasks. Missing or failed executions remain in the denominator.

Not evaluated

G2 task evaluationScores based on G2's standardized task evaluation, separate from buyer reviews.
AccuracyNot available
Policy complianceNot available
G2 buyer reviewsAggregate scores reported by verified G2 reviewers. These do not affect the task-based Overall Score.
Ease of use90
Quality of support88

Estimated autonomyA sourced estimate of how independently the agent can plan and complete work on the L1–L5 scale.

Where this agent sits on the L1–L5 autonomy scale.

L1-L2
L1L2L3L4L5

Skills

Product-specific work documented in reviewed product sources.

Pull Lead Lists with Natural Language and Prioritize

Generate Personalized Outreach Emails

Automate Engagement Across Email and Phone with Triggered Follow-Ups

Performance claims

Vendor-reported

Smartling's BDRs send 10x more personalized emails with Apollo AI

Product strategyOperating and delivery choices explicitly documented in reviewed product sources.

Forward-deployed engineering
unknown
Self-serve
yes
Agent-callable
yes

What G2 reviewers say

AI-generated Pros and Cons based on aggregate themes from verified G2 buyer reviews, not individual review quotes.

AI-generated from verified G2 buyer reviews.

Pros

Users like the extensive database of verified contacts, the outreach and automation features, and the seamless integration with Salesforce, which allows for easy and efficient lead generation and contact refinement.

Cons

Users mentioned issues with the user interface being overwhelming and not user-friendly, the occasional lagging of the plugin, and the unavailability of some email data for certain regions.