Know who to call, when to call,
and why they’ll pick up.

The strongest Apollo alternatives in 2026 are Kustiq, Clay, ZoomInfo, and Clearbit (Breeze by HubSpot). Kustiq generates AI company profiles with engagement hooks, timing signals, and churn prediction from live web data. Clay offers a visual workflow builder with 75+ data integrations for teams that want to configure their own enrichment pipelines. ZoomInfo provides the largest static contact database with enterprise-grade intent data. Clearbit (now Breeze) plugs directly into HubSpot for real-time firmographic enrichment. Each tool has a different strength: Kustiq for intelligence depth and speed, Clay for workflow flexibility, ZoomInfo for database scale, and Clearbit for native HubSpot fit.

ChatGPT and Claude can summarize information about well-known companies, but the output is unstructured, inconsistent, and often hallucinated for smaller or newer companies. Kustiq grounds every profile in live web data: it analyzes up to 20 real web pages, runs 10 targeted search queries, and classifies everything into a structured 19-field profile with a calibrated confidence score. The result is consistent, structured JSON you can filter, export, and automate against. Every profile uses the same 85-segment taxonomy across 21 verticals, so your data stays comparable across thousands of companies. A ChatGPT prompt can't give you that. You'd get a different format every time, no confidence score, and no way to filter or automate against the output.

Yes. HubSpot integration is entirely optional. You can use Kustiq with direct domain entry, CSV upload, or the API. Profiles can be exported to CSV, Excel, JSON, or PDF. HubSpot sync is available as an optional integration on all plans for teams that want to enrich their CRM data.

Yes. Kustiq has no per-seat pricing and no minimum team size. The Free plan gives 3 credits per week with no credit card required. Solo founders and small teams use Kustiq for pre-call research, prospect discovery, and portfolio monitoring. The credit-based model means you pay for what you use, not for seats you might not need.

Kustiq includes a 4-phase AI outreach pipeline. Discover finds 5-15 similar companies from any seed domain (0.75 credits). Research generates AI briefs with company scale, tech stack, and market positioning (2.00 credits). Qualify scores each prospect with ICP fit (0-100), buying signals, and pain signals (0.50 credits). Enrich finds 3 contacts per prospect (champion, economic buyer, technical evaluator) with email and LinkedIn (2.00 credits). The full pipeline costs about 5.25 credits per prospect at Standard quality. Pro users (400 credits/month) can process up to 76 prospects through the entire pipeline.

Yes. Kustiq integrates with HubSpot CRM via OAuth. You can import companies from HubSpot for AI profiling and sync the intelligence back as 25 custom company properties organized into five groups: core intelligence (segment, vertical, account tier, churn risk, growth signal), scores (confidence, fit score), sales context (engagement hook, company summary, business model, and more), signals (buying signals, pain signals, competitors, detected tools), and outreach data (ICP tier, sales priority, outreach hooks). Your team can use this data in HubSpot lists, workflows, and reports.

Each Kustiq profile includes 19 fields: company name, domain, vertical (one of 21 B2B verticals), segment (one of 85 canonical segments), confidence score (0-100%), account tier (A/B/C), churn risk (Low/Medium/High), growth signal (e.g. Recently Funded, Hiring Surge), business model, company scale, pricing model, target market, persona profile, engagement hook, competitors detected, expansion strategy, detected tools, company summary, and market intelligence narrative.

Yes. Kustiq provides a full RESTful API covering profiling, batch processing, churn data, outreach, and integrations. API access is available on the Pro plan ($249/month). Authentication uses Bearer tokens with API keys generated from the dashboard.

Every profile includes churn risk based on public signals like growth trajectory, competitive pressure, and hiring patterns. The Pro plan unlocks the full 12-factor scoring engine which adds usage signals (login frequency, payment failures, NPS), HubSpot CRM data (deal count, contact depth, record age), and trend tracking. Scores update automatically. No SDK installation or product instrumentation required.

Gainsight and ChurnZero require product instrumentation: you install their SDK, pipe in usage events, and wait weeks for a training period. Kustiq predicts churn from the outside in. It analyzes public signals (funding, hiring, tech stack, competitor dynamics) and optionally layers in CRM data via HubSpot. No SDK, no event tracking, and no setup period. Every Kustiq profile includes a churn prediction from day one.

Kustiq profiles have an average confidence score of 89%, which is an AI-calibrated accuracy estimate across all classification fields. The 5-stage pipeline (planning, web analysis, search intelligence, fallback research, classification) grounds every profile in real-time web data rather than relying on a single AI call. Each profile includes its own confidence score so you can prioritize high-confidence results for automation and review lower-confidence profiles manually.

Yes. Kustiq encrypts all data at rest and in transit, stores API keys as SHA-256 hashes (never plaintext), signs webhooks with HMAC-SHA256, and enforces role-based access control with 6 permissions. HubSpot OAuth tokens are encrypted at rest and never shared with third parties. Kustiq is GDPR compliant with a Data Processing Agreement available at kustiq.com/dpa, and SOC 2 compliance is on the roadmap. Kustiq only reads publicly available web content and does not access private databases or harvested social media data.

No. Kustiq runs zero third-party tracking scripts. No Google Analytics, no Facebook Pixel, no Mixpanel, no Segment, no third-party cookies. All product analytics are collected through our own first-party infrastructure built on PostgreSQL. The only cookies we set are strictly necessary for authentication and session management. Open your browser DevTools on any Kustiq page to verify.

No. Your account data, profiling results, and usage data are never sold, rented, or shared with third parties for any purpose. Kustiq generates revenue from subscriptions and credits only. We use Stripe for payment processing and Supabase for database hosting, both under standard data processing agreements, but your business data is never exposed to advertising networks, data brokers, or other third-party services.

Your data is stored in PostgreSQL databases hosted by Supabase (US East region) and on Kustiq's own dedicated server infrastructure. All connections use TLS encryption in transit. API keys are stored as SHA-256 hashes, never in plaintext. HubSpot OAuth tokens are encrypted at rest. We use only 8 sub-processors (Supabase, Stripe, Vercel, Anthropic, Serper, Hetzner, Resend, HubSpot), each under a data processing agreement. Full details at kustiq.com/trust.

ZoomInfo aggregates and resells B2B contact data from multiple sources. Clay routes data through 75+ third-party providers. Kustiq generates intelligence in real time from public web signals using its own AI pipeline. No pre-built shared database, no third-party data brokers, no data resale. Your profiling results and customer data belong to you and are never shared with other customers.

Yes. Kustiq subscriptions are month-to-month with no long-term contracts. You can cancel from your billing settings at any time and your plan will remain active until the end of your current billing period. Extra credits you have purchased never expire, even after cancellation.

Every company in the B2B directory at kustiq.com/directory has a free snapshot covering tech stack, funding stage, team size, competitors, customers, news, and AI classification. There are 500+ snapshots already, and you can generate a new one for any domain in about 10-15 seconds. Full AI profiles with churn risk, growth signals, and confidence scoring require credits.