Best Double Alternatives in 2026
50% positive · 1 user review FreemiumDouble delivers AI-powered lead research, gathering up to 10,000 prospect details per query—including company size, policy, and contact channels—while verifying emails from private feeds. Its API supports filtering by industry, tech stack, and company size for targeted outreach.
We've ranked 29 Double alternatives, including 19 with a free plan. Rankings are based on feature coverage and user feedbacks.
Top-rated alternatives include Smartlead, LeadIQ, and Instantly.
29 Double Alternatives & Competitors, Ranked by User Reviews
Click Compare on any tool to compare it side-by-side with Double.
#1
Smartlead
Smartlead is an AI‑driven cold‑outreach platform that unifies email, call, and SMS campaigns into one inbox. It automates warm‑ups, IP rotation, lead research, personalized messaging, CRM updates, and deliverability analytics to keep messages in primary inboxes.
#2
LeadIQ
LeadIQ is an AI tool for B2B sales teams that streamlines contact data management and prospecting, enabling faster pipeline growth.
#3
Instantly
Instantly.ai is a cold email software that uses AI technology and personalization to increase response rates and drive new business.
#4
ExactBuyer Search
ExactBuyer enriches CRM contacts with 115+ attributes, offering AI‑generated next‑best actions, real‑time audience segmentation, talent discovery, and analytics dashboards. It supports API, Chrome extension, CSV upload, and weekly data quality checks for targeted B2B SaaS sales, marketing, and recruiting.
#5
GetLeads
GetLeads is an AI‑driven platform that delivers real‑time, verified decision‑maker contacts using advanced filters and social media searches. It matches look‑alike customers, auto‑generates multilingual outreach, tracks engagement, and integrates without API setup.
#6
Amplemarket
Amplemarket uses AI to generate high‑quality leads, analyze intent signals and competitive data, and create personalized multichannel outreach. It offers deliverability monitoring, real‑time analytics, workflow automation, data enrichment, and a unified conversation hub for sales teams.
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#7
Success.ai
Success.ai delivers 700M+ verified B2B contacts, email and phone lookup, data enrichment, and a kanban CRM with unified inbox. It supports unlimited multichannel outreach, AI‑generated email copy, and API integrations.
#8
Warmer.ai
Warmer AI platform enriches B2B prospects via CSV import, social scraping, company data aggregation, AI‑generated emails. Validates emails, exports to CSV/JSON/CRM, API. Improves response rates and saves research time for teams.
#9
Ava by Artisan
Ava automates outbound sales, from prospect identification to personalized email and social outreach. It leverages technographic, firmographic, and intent data for tailored messaging, integrates with HubSpot and Salesforce, manages deliverability, and lets teams monitor engagement and hand off qualified leads.
#10
B2B Rocket
B2B Rocket automates B2B sales outreach with AI‑powered lead generation, a searchable 4B‑data contact database, and multi‑channel communication (email, LinkedIn, WhatsApp, SMS). It validates contacts, manages campaigns via AI agents, and offers analytics dashboards for performance optimization.
#11
Leadgenerator.io
Leadgenerator.io automates outbound sales with AI‑driven lead discovery, contact extraction, and hyper‑personalized email outreach. It uses dedicated IPs, inbox warm‑up, continuous delivery, and a built‑in CRM for pipeline tracking and revenue forecasting.
#12
DeepSales
DeepSales is an AI tool tailored for B2B sales, offering swift access to key decision-makers with updated contact information. Enhance lead generation, prioritize data privacy, and optimize sales success with automated prospect search integration.
#13
IGLeads
IGLeads gathers email, phone, and business info from public platforms (Instagram, LinkedIn, TikTok, etc.) into clean CSVs. It offers AI‑powered keyword targeting, GDPR‑compliant extraction, and automated daily scraping for scalable lead generation.
#14
Clay.com
Clay is an AI-powered data enrichment and workflow automation platform that enhances CRM hygiene, lead scoring, and prospecting. It integrates 100+ data sources and AI research agents to automate inbound and outbound engagement, optimizing GTM strategies for sales and marketing teams.
#15
finalscout.com
FinalScout delivers verified business email addresses from a 500 million profile database, supports AI‑generated outreach, lets users manage contacts, ensures GDPR/CCPA compliance, and offers an API for automated, compliant campaigns across sales and marketing.
#16
Email outreach
Email Outreach Company offers a full outbound automation platform for B2B growth teams, combining authenticated email delivery, multi‑channel LinkedIn‑email workflows, AI‑driven personalization, appointment scheduling, and real‑time analytics to scale campaigns.
#17
BoringLead.com
BoringLead streamlines lead generation by offering instant access to 100 million verified LinkedIn email addresses, advanced search filters, bulk searches, and mobile access, enabling targeted outreach and effective data management for businesses.
#18
Persana AI
Persana AI aggregates data from over 100 sources to define ideal customer profiles and track real‑time intent signals. AI agents craft personalized outreach and sequence content across email, Slack, and advertising, integrating with CRMs for high‑deliverability, scalable prospecting.
#19
Mails.ai
Mails.ai automates cold‑email campaigns—creating, sending, and scheduling follow‑ups—while supporting unlimited Gmail, Outlook, Zoho, or custom SMTP accounts. It verifies addresses, warms mailboxes, generates personalized AI copy, rotates inboxes for deliverability, tracks contacts, reports, and offers team collaboration.
#20
useArtemis
useArtemis delivers verified email and phone data from 15+ premium sources, enriches leads with 10+ data points (company, social, SEO, tech stack), and offers AI‑driven natural‑language filtering, Zapier/API/spreadsheet integrations, and GDPR compliance.
#21
Outboundly.ai
Outboundly automates B2B cold outreach by discovering, verifying, and enriching leads from a 300 million‑contact database. AI rep Eva crafts personalized email sequences, while automated warm‑up, sender rotation, and multilingual support optimize deliverability. One dashboard manages campaigns and CRM integration.
#22
Conversion Blitz
Conversion Blitz uses AI to extract and filter contact data from websites and social networks by job title, location, industry, and company size. It verifies emails, runs scalable email campaigns, and routes visitor data to email, SMS or Slack.
#23
Airscale
Airscale offers an API for lead generation and market research, enabling users to create targeted prospect lists, scrape real-time data, and enrich contact information. It supports CRM integration, ensuring accurate and compliant outreach efforts.
#24
coachingleads.io
CoachingLeads provides 2,000 AI‑verified coaching and course creator leads, filtering Instagram accounts with 5,000+ followers, active promotion, and engagement. CSVs include verified emails and handles, plus updates, tutorials, and community support to cut prospecting time.
#25
Aomni
Aomni trains AI agents on company data to produce reports and outreach messages. It aggregates contacts from 20+ sources for decision‑maker profiles and emails or LinkedIn messages, integrating with CRMs to cut research time and improve reply and close rates.
#26
Lyne.ai
Lyne.ai automates personalized cold email sequences, extracting up to 12 insights per prospect. It matches subject lines to content, streamlines workflows, pulls leads from LinkedIn Sales Navigator, and integrates with sales stacks—all cloud‑based for scalable outreach.
#27
Lead Foxy
Leadfoxy streamlines lead generation with a vast database of companies and contacts, enabling easy access to key decision makers' information. Enhance lead accuracy, automate campaigns, and drive deal closure seamlessly with AI-powered features.
#28
Sendbridge
Email Verification uses AI to validate and clean email lists, flagging invalid, disposable, spam‑trap, role‑based, and catch‑all addresses. Real‑time API results and downloadable reports improve inbox placement and sender reputation.
#29
GodmodeHQ
GodmodeHQ automates sales by identifying, sourcing, and verifying leads across Gmail, Outlook, Salesforce, LinkedIn, and web searches. Commands trigger AI agents to build prospect lists, summarize news, draft outreach, extract data, schedule campaigns, and send follow‑ups, streamlining lead research and conversion.