Best ZoomInfo Alternatives 2025

When you’re responsible for generating leads and driving revenue, few tools feel as indispensable as ZoomInfo. It offers a large database of decision‑makers and intent data, but it also comes with high subscription fees, credit restrictions, and limited automation capabilities. As your team evolves or budget constraints tighten, you might start searching for alternatives that provide similar data quality with added flexibility, automation, and affordability.

This guide compares six leading ZoomInfo alternatives, Alta AI, SmartReach AI, Lusha, Reply.io, Apollo.io, and Pubrio, to help you find the right sales intelligence platform for your needs. Each tool uses artificial intelligence to streamline prospecting, personalize outreach, and enrich data, but they differ in scope, pricing, and ideal user profiles. By the end of this article, you’ll have a clear understanding of which platform aligns with your goals and budget.

Why Look for a ZoomInfo Alternative?

ZoomInfo has become a household name in B2B sales intelligence, yet it isn’t perfect for every organization. Here are common reasons teams explore other options:

• High subscription costs – ZoomInfo’s pricing often rises into tens of thousands of dollars annually, especially as you add seats or data credits. Smaller teams may need a more predictable cost structure.
• Credit restrictions – Credits limit how many contacts you can view and export. Exceeding quotas can lead to surprise charges or throttled usage.
• Feature gaps – ZoomInfo focuses on data; it requires separate tools for outreach automation, AI assistance or revenue forecasting. Integrating multiple platforms can be cumbersome.
• Regional coverage – Its data coverage is excellent in North America, but teams targeting niche industries or international markets sometimes find gaps.

Modern B2B sales require more than a static database. Companies need platforms that combine data with AI‑powered prospecting, multichannel outreach and actionable insights. The tools reviewed below offer these capabilities, often at a lower total cost of ownership.

1

Alta

AI‑Driven Revenue Workforce

What Sets Alta AI Apart?

Alta AI positions itself as a data‑driven AI workforce rather than just another sales tool. Instead of hiring more SDRs or analysts, you deploy AI agents that prospect, qualify, and nurture leads around the clock. The platform integrates with over fifty data sources to surface high‑intent prospects, then uses predictive analytics to forecast revenue and optimize pipeline allocation. Its agents include Katie (AI SDR), Luna (AI RevOps), and Alex (AI calling agent), each designed to automate a specific part of the sales cycle.

Key Features

• 24/7 prospecting with AI SDR – Alta’s virtual SDR scans multiple databases, identifies ideal customer profiles, and engages prospects with personalized outreach while your team sleeps.
• Predictive revenue intelligence – Advanced algorithms analyze historical sales data, marketing signals, and buyer intent to forecast pipeline performance and identify risks early.
• Centralized revenue data – The platform consolidates data from CRM, marketing automation, and finance tools into a single dashboard, giving executives and board members a clear view of real‑time performance.
• AI‑powered alerts & insights – Customizable alerts notify you about changes in buyer behavior, pipeline shifts, or high‑priority leads so you can act quickly.
• Integrations & security – Alta integrates with popular CRMs and communication tools and maintains SOC2 compliance to protect customer data.

Pros & Cons

Alta AI – Pricing

Alta AI offers flexible pricing designed for growing sales teams:

• Starter – From approx. $39 per user per month
• Growth – From approx. $79 per user per month
• Pro – Custom pricing for larger teams
• Enterprise – Fully customized with advanced AI automations
• Free trial available
• Volume discounts offered for multi-seat teams

Exact pricing varies based on credits, AI usage, and automation volume.

Ideal Use Cases

Alta AI is best for you if:

• You want an AI SDR that handles outreach, follow-ups, calling, and qualification
• You need accurate data without external databases
• You want to replace multiple tools with one automated sales engine
• Your team struggles with manual prospecting, enrichment, and follow-up consistency
• You want 24/7 AI outreach across email, calls, and LinkedIn

2

SmartReach AI

Unified Outreach & Research Engine

Platform Overview

If you handle outreach across multiple channels, email, LinkedIn, WhatsApp and phone calls, SmartReach AI consolidates these workflows into one platform. Designed for revenue teams that “live and breathe outbound,” it automates every touchpoint so you send the right message on the right channel at the right time. Its interface generates entire campaigns from a short brief and rotates sender inboxes to maintain domain health.

Key Features

• AI Sequence Generator – Feed SmartReach a short prompt about your product and buyer persona, and it produces a complete multistep cadence with personalized openers, follow‑ups and calls to action. Spintax and merge tags ensure no two prospects see the exact same message.
• Magic Content & Subject Lines – Need fresh copy or a compelling subject line? The platform rewrites your email based on best practices and prospect data, giving you multiple variations to test.
• Inbox Rotation & ESP Matching – SmartReach rotates up to 25 sender accounts and matches each outgoing email to the recipient’s provider (Gmail to Gmail, Outlook to Outlook), safeguarding deliverability and avoiding spam triggers.
• Multichannel Workflows – Automate LinkedIn visits, connection requests, WhatsApp messages and phone calls within the same sequence. If a prospect replies on any channel, the cadence pauses automatically to prevent over‑messaging.
• Shared Inbox & Task Manager – All replies land in one inbox. Teams can assign owners, leave comments and trigger next steps. A built‑in task manager surfaces daily to‑dos and provides sentiment analysis to help managers coach their reps.

Pros & Cons

SmartReach AI – Pricing

SmartReach AI provides predictable pricing suitable for teams of all sizes:

• Email Outreach – From $29 per user per month
• Sales Engagement – From $59 per user per month
• Agency Plan – From $149 per month
• Ultimate Plan – From $499 per month with advanced deliverability tools
• Free plan available
• 14-day free trial

Ideal Use Cases

SmartReach AI is ideal if:

• You run high-volume email outreach
• You need deliverability protection to avoid spam issues
• You want multi-channel sequences (email, LinkedIn, WhatsApp)
• You manage B2B outreach for clients (perfect for agencies)
• You need a shared inbox and team collaboration tools

3

Lusha

Fast & Accurate Contact Data

Platform Overview

Lusha began as a simple browser extension that scraped business contact information from LinkedIn. It has since evolved into a fully fledged sales intelligence platform used by over 1.5 million users to find accurate direct phone numbers, email addresses, and company data. Lusha’s user‑contributed database is refreshed regularly, making it a reliable resource for prospecting, recruiting, and marketing.

Key Features

• Chrome Extension (Lusha Everywhere) – Extract contact details directly from LinkedIn, Salesforce, Gmail or any website without leaving your current tab. This extension provides quick one‑click access to phone numbers and verified email addresses.
• CRM Integration – Lusha integrates with Gmail, Outlook, HubSpot, Salesforce and Zoho. You can enrich contact data directly inside your CRM, keeping your records up to date without manual entry.
• Intelligent Lead Generation – AI tools suggest potential leads based on your ideal customer profile, allowing you to build targeted lists quickly.
• API Suite – Pull Lusha’s contact and company data into your proprietary systems for custom workflows.
• Advanced Search Filters – Narrow down prospects by location, industry, company size, revenue, department and seniority to find your ideal decision‑makers.
• Contact Validation & Data Enrichment – Lusha regularly verifies phone numbers and emails, adds missing data and complies with global privacy regulations.
• Sales Pipeline Workflows – Create and customize pipeline stages within Lusha to track leads from discovery to close and collaborate with teammates.

Pros & Cons

Lusha – Pricing

Lusha’s plans are built for simple, fast contact lookup:

• Free Plan – 5 credits per month
• Pro – Around $29 per user per month
• Premium – Around $51 per user per month
• Scale – Custom pricing
• Credits vary based on team size and usage

Ideal Use Cases

Lusha works best for teams that:

• Need verified emails and phone numbers quickly
• Want a simple Chrome extension for LinkedIn prospecting
• Prefer a lightweight tool rather than an all-in-one platform
• Need fast enrichment inside CRMs and sales tools
• Want a budget-friendly alternative to ZoomInfo data

4

Reply.io

Multi‑Channel Engagement & AI SDR

Platform Overview

Reply.io is a sales engagement platform built to automate and personalize multichannel outreach. It combines email, LinkedIn, SMS, WhatsApp, and calls into unified sequences, leveraging AI to generate copy, maintain deliverability, and analyze performance. Unlike basic cold email tools, Reply.io also includes its own contact database, meeting scheduler and unified inbox.

Key Features

• Multichannel Sales Engagement – Build customizable sequences that blend email, social touches and phone calls. If a prospect responds on one channel, subsequent steps pause automatically to avoid overlapping messages.
• Deliverability Tools – Protect your sender reputation with domain warm‑up, Email Health Check reports, partnerships with deliverability services and integration with Google Postmaster for performance monitoring.
• AI Sales Assistant – Generate human‑like emails and improve your subject lines with AI suggestions. The assistant can also automate basic responses to free up your team for high‑value conversations.
• B2B Contact Database – Access millions of contacts and companies with advanced filters to build targeted lists from within the platform.
• Meeting Scheduling – Use built‑in scheduling features to coordinate meetings without a separate app, seamlessly integrating with your calendar.
• Reports & Analytics – Monitor open rates, reply rates, click‑throughs and overall sequence performance. Use insights to iterate and test new messaging.

Pros & Cons

Reply.io – Pricing

Reply.io offers several tiers depending on seat count and usage:

• Starter – From $59 per user per month
• Professional – From $89 per user per month
• Teams – From $139 per user per month
• Unlimited – Custom plans available
• Add-on AI scoring, calls, and deliverability tools

Ideal Use Cases

Reply.io is a strong choice if:

• You want multi-channel sales engagement
• You need email + LinkedIn + calls in one platform
• You want AI email writer, A/B tests, and analytics
• You prefer an outreach-focused tool rather than a data provider
• You manage outbound sales teams that require consistency

5

Apollo AI

Best for Prospecting and Data Enrichment

Overview

Apollo.io positions itself as a one‑stop platform for lead generation, sales engagement, and data enrichment. With a database of over 265 million verified contacts and millions of company profiles, it offers detailed filters to surface the right prospects. In addition, Apollo.io provides automated sequences, AI‑powered insights, a Chrome extension, CRM integrations and performance analytics, making it a comprehensive alternative to ZoomInfo.

Key Features

• Extensive Contact Database – Search a database of more than 265 million contacts, filtered by job title, company size, industry, geography, and more.
• Sales Engagement Tools – Deploy email sequences, call tracking and personalized messaging. AI suggestions help craft subject lines and copy that resonate.
• Chrome Extension – Access contact data and engagement tools directly from LinkedIn, Gmail or other sites without switching tabs.
• AI‑Powered Insights & Automation – Use machine learning to prioritize leads, predict response likelihoods and recommend optimal messaging. AI also assists with lead scoring and email personalization.
• CRM Integrations & Data Enrichment – Integrate with Salesforce, HubSpot, Zoho and others to sync contacts and enrich existing records with updated details such as company revenue, tech stack or hiring signals.
• Campaign Analytics – Track open rates, clicks, replies, bounces and call outcomes. Use insights to refine targeting and messaging.
• Customizable Workflows – Build automated workflows triggered by lead behavior (opens, clicks, form submissions), ensuring timely follow‑ups without manual intervention.

Pros & Cons

Apollo.io – Pricing

Apollo.io offers transparent plans across the board:

• Free Plan – Limited monthly credits
• Basic – From $49 per user per month
• Professional – From $99 per user per month
• Organization – From $149 per user per month
• Add-on: extra credits and dialer minutes

Ideal Use Cases

Apollo.io is ideal if:

• You need a large prospecting database
• You want email sequences and outreach integrated
• You prefer an all-in-one workflow for finding + contacting leads
• Your team wants a cheaper alternative to ZoomInfo data
• You rely heavily on Chrome extensions for LinkedIn prospecting

6

Pubrio

APAC‑Focused Data and Intent

Platform Overview

Pubrio takes a holistic approach to sales intelligence by marrying broad data coverage with real‑time intent analytics and managed services. Designed to shorten research cycles and boost connect rates, it aggregates data from e‑commerce, manufacturing, finance, technology and other sectors across more than 130 countries. Instead of relying solely on professional networks, Pubrio scans public sources, e‑commerce sites, and offline data to provide a comprehensive view of each company and prospect.

Key Features

• Universal Data Access & Search – Tap into a living network of 1 billion company profiles and 275 million global contacts. Boolean search filters let you refine your lists by industry, role, geography or revenue with high precision.
• Advanced Filtering & Analytics – Use advanced filters and analytics dashboards to identify trends, track visitor behavior and measure campaign success.
• Actionable Insights & Intent Signals – Pubrio surfaces signals such as technology adoption, funding events and hiring trends so you can engage when prospects are most receptive. Intent alerts highlight companies actively researching solutions like yours.
• LinkedIn & Email Sequences – Automate outreach with sequences that blend LinkedIn connection requests, follow‑up messages, and emails. Sequences pause automatically when prospects respond to avoid duplication.
• Chrome Extension & Data Enrichment – Enrich leads directly from your browser and push updated data into your CRM or outreach workflows.
• Managed Services & Support – Pubrio offers hands‑on research, lead generation, and meeting‑setting services for teams that need extra help or custom data projects.

Pros & Cons

Pubrio – Pricing

Pubrio offers flexible pricing with usage-based data access:

• Starter – From approx. $35 per month
• Growth – From approx. $97 per month
• Business – Custom pricing
• Enterprise – Fully customized packages
• Free trial available

Ideal Use Cases

Pubrio is best if you want:

• A modern B2B data platform with global coverage
• Intent data to identify buyers already researching solutions
• Automated sequences for email and LinkedIn
• A strong alternative to ZoomInfo with verified mobile numbers
• A system for predicting buyer interest and prioritizing accounts

Comparison Table of ZoomInfo Alternatives

Conclusion

Choosing a ZoomInfo alternative isn’t just about finding a cheaper database. It’s about aligning technology with your sales strategy. Alta AI excels at predictive revenue intelligence and automating entire SDR workflows. SmartReach AI focuses on multichannel outreach, generating entire sequences from a simple prompt. Lusha provides an accessible, credit‑based contact database through its Chrome extension and CRM integrations. Reply.io offers a unified platform for multichannel sequences, deliverability tools, and AI‑driven copywriting. Apollo.io combines a massive contact database with engagement tools, AI insights, and CRM integration. Pubrio stands out for its universal data access, intent analytics, and managed services.

Evaluate your priorities, whether it’s data coverage, AI automation, budget control or compliance, and leverage free trials to make an informed decision. By selecting the right platform, you’ll enrich your pipeline, streamline outreach, and drive predictable growth in 2025 and beyond.

Frequently Asked Questions

• What is the main difference between ZoomInfo and Alta AI?
  ZoomInfo provides a static contact database with intent data, while Alta AI offers AI‑powered SDR, RevOps and calling agents that automate prospecting, pipeline management and forecasting. Alta AI focuses on generating insights and automating tasks rather than merely providing data.

• Is SmartReach AI suitable for small businesses?
  Yes. SmartReach AI’s Email Outreach Basic plan starts at $29 per month, making it accessible for small teams. However, its multichannel automation is robust, so you should allocate time to learn the platform.

• How does Lusha’s credit system work?
  Lusha assigns credits to each plan. When you reveal a contact’s full details, you consume one credit. Lower tiers limit the number of credits and bulk enrichment rows, so monitor usage carefully.

• Can Reply.io send messages on multiple channels automatically?
  Absolutely. Reply.io lets you design sequences that combine emails, LinkedIn touches, SMS, WhatsApp messages and phone calls. The system automatically pauses steps when a prospect responds.

• What kind of data does Apollo.io provide?
  Apollo.io offers over 265 million verified contacts, enriched with firmographic and technographic data. You can filter by job title, company size, location, industry and more.

• Does Pubrio only pull data from professional networks?
  No. Pubrio aggregates data from various sources, including e‑commerce sites, manufacturing databases, financial reports and technology listings. This broad coverage means you’re not limited to LinkedIn or North American markets.

• Are free trials available for these platforms?
  Yes. SmartReach AI, Reply.io, Apollo.io and Pubrio typically offer free trials. Lusha has a free plan. Alta AI requires a demo request and custom pricing.

• Which tool offers the best AI‑powered email personalization?
  SmartReach AI and Reply.io both use generative AI to craft personalized emails. SmartReach’s Magic Content focuses on rewriting entire sequences, while Reply.io’s AI Sales Assistant generates individual messages and subject lines.

• Do any of these alternatives integrate with Salesforce or HubSpot?
  Alta AI, SmartReach AI, Lusha, Reply.io and Apollo.io all integrate with major CRMs like Salesforce and HubSpot. Pubrio supports CRM integration via its Chrome extension and API.

• How important are intent signals in lead generation?
  Intent signals help you prioritize companies that are actively researching solutions like yours. Tools such as Pubrio and Apollo.io surface these signals, enabling you to engage prospects at the right moment and improve conversion rates.