Apollo.io vs CASTANET

Apollo.io is the comprehensive AI sales platform with a massive contact database. CASTANET specializes in reliable, 24/7 LinkedIn lead generation and automation. The key difference is Apollo.io's breadth versus CASTANET's deep focus on reliable execution.

Apollo.io
Apollo.io

Powerful Features, Troubled Execution.

Ciroapp review
2.8
#6 in Lead Generation

We recognize Apollo.io for its ambitious vision as an end-to-end AI sales platform with a deep, proprietary contact database. However, external user feedback reveals significant deficiencies in core areas like support and data reliability. Overall, the powerful feature set is currently undermined by difficult usability, frequent bugs, and serious concerns regarding privacy and customer care.

Pros

  • Robust free-forever plan ($0) with included annual credits.
  • Access to a massive, unified B2B contact and company database.
  • Consolidates prospecting, outreach, and data enrichment functions.
  • Advanced AI tools enable personalization and optimization at scale.

Cons

  • Customer support is widely reported as consistently unresponsive and ineffective.
  • Severe user complaints regarding contact data accuracy and email verification failures.
  • Platform reliability issues include slow loading and frequent, disruptive UI changes.
  • Multiple serious allegations of scraping user data without consent.
Pricing
$0/mo
Free trialYes
Money-back
Best for
Large B2B sales organizations needing hundreds of millions of contacts., Revenue Operations teams managing complex, ongoing data enrichment., Companies wanting to consolidate multiple sales tools into one unified platform.
CASTANET
CASTANET

Flexible automation for relationship builders.

Ciroapp review
4.2
#3 in Lead Generation

We find CASTANET offers powerful 24/7 LinkedIn lead generation tailored for sales professionals focusing on relationship building. It neatly integrates with Zapier across all tiers, streamlining CRM export immediately. Overall, this is a highly targeted tool ideal for users who are ready to invest in serious automated outreach.

Pros

  • Lead generation runs automatically 24 hours a day, 7 days a week.
  • Zapier integration is included in all three pricing plans for seamless data syncing.
  • Provides deep, specific insights (schools, groups) to help qualify prospects.
  • Offers a 7-day free trial to test full functionality risk-free.

Cons

  • The $99 Basic plan heavily limits campaigns and automation steps.
  • The popular Sales Pro plan ($199/month) supports only one LinkedIn profile.
  • No mention of discounted annual pricing options.
  • No explicit money-back guarantee is detailed after the 7-day trial period.
Pricing
$99/mo
Free trial7 days
Money-back
Best for
Sales professionals relying heavily on steady, automated LinkedIn prospecting., Teams prioritizing simple setup and minimal training time., Outbound sales targeting based on contextual 'why fit' signals (groups, events).
Quick verdict
Choose Apollo.io if you need a unified, end-to-end sales platform covering prospecting, AI outreach, and powerful data enrichment tools
Choose CASTANET if you rely heavily on LinkedIn for prospecting and require steady, automated lead flow with strong 'why fit' signals

AboutApollo.io

Apollo is built as an end-to-end AI sales platform. It serves as a unified Go-To-Market Platform designed for running your complete sales cycle on unified customer data. This platform provides all the necessary features, integrations, and training you need to grow your business effectively. Apollo is ideal for Sales Leaders, Account Executives, Founders, and Marketers looking for a centralized command center. 💡

AboutCASTANET

CASTANET is an automated solution designed to simplify lead generation on LinkedIn. It is built for sales professionals who value relationship building over quick sales pitches 💡. The platform recognizes that building trust takes time, and it provides the tools to invest wisely in your prospects. You can communicate effectively with new connections and explain exactly why you are an excellent resource for them.

Highlights

Quick winners by category at a glance.
Ease of Use
CASTANET has a specialized focus and simpler interface for quick setup. Apollo.io is an expansive platform with a much steeper learning curve.
Feature Set
Apollo.io is an end-to-end platform consolidating AI, prospecting, and enrichment. CASTANET is specialized for LinkedIn only.
Value for Money
The free-forever plan of Apollo.io provides access to a massive database at zero cost. CASTANET requires a $99/month minimum investment.
Customer Satisfaction
CASTANET achieves a 4.3 rating, emphasizing reliable operation. Apollo.io's rating of 2.8 reflects poor support and execution.
Integration Options
Apollo.io offers deep, native synchronizations with major CRMs. CASTANET relies primarily on Zapier and Google Sheets for export.
Scalability
Apollo.io offers Custom Plans suitable for large enterprises, including Fortune 500 companies. CASTANET plans focus on smaller profile limits.

Feature Comparison

Compare key features side by side
Core Focus
Apollo.io:End-to-end AI Sales Platform
CASTANET:Dedicated LinkedIn Prospecting
Tie
B2B Contact Database Size
Apollo.io:210M+ Contacts, 35M+ Companies
CASTANET:Not applicable (Leverages LinkedIn)
Apollo.io
Multichannel Outreach
Apollo.io:Yes (Email, Call, LinkedIn Sequences)
CASTANET:Primarily LinkedIn
Tie
24/7 Automation
Apollo.io:Yes (Sequences & Workflows)
CASTANET:Yes (Core LinkedIn Lead Flow)
Tie
Prospect 'Why Fit' Signals
Apollo.io:30+ Data Points
CASTANET:Yes (Schools, Groups, Events)
Tie
Data Enrichment Tools
Apollo.io:Full API, CSV, CRM Enrichment
CASTANET:Limited (CRM Export only)
Apollo.io
Built-in AI Assistant
Apollo.io:Yes (Call Assistant, Optimization)
CASTANET:No explicit AI Assistant
Apollo.io
CRM Integration Method
Apollo.io:Native (Salesforce, HubSpot)
CASTANET:Via Zapier or Google Sheets
Tie
Free Plan Available
Apollo.io:Yes ($0, 1,200 annual credits)
CASTANET:No (7-day free trial only)
Apollo.io
Entry Level Cost
Apollo.io:$0/year
CASTANET:$99/month
CASTANET
Trial Length
Apollo.io:Limited Credits (50 standard)
CASTANET:7 days
CASTANET
Annual Credit Limits (Paid)
Apollo.io:Up to 1 Million (Fair Use)
CASTANET:Not credit-based (Automation steps)
Apollo.io
Enterprise Governance
Apollo.io:Yes (Custom Plans)
CASTANET:Not specified
Apollo.io
Lowest User Rating
Apollo.io:2.8 / 5.0
CASTANET:4.3 / 5.0
CASTANET
Customer Support Sentiment
Apollo.io:Widely reported as unresponsive
CASTANET:Positive mentions of reliability
Tie
Feature Comparison Summary
6
Apollo.io
6
Ties
3
CASTANET

Features Overview

We highlight the main differences and pick a winner for each feature.

Database Size & B2B Data

Apollo.io holds a massive proprietary database; CASTANET leverages live LinkedIn data.

Apollo.io

Apollo.io gives users instant access to over 210 million contacts. It offers rich prospect profiles with 30+ data points for deep filtering. CASTANET does not maintain a separate proprietary database. It focuses on steady, active lead flow from LinkedIn profiles. Apollo.io is the undisputed winner for mass data volume and filtering. CASTANET provides contextual data like groups and schools for better tailoring.

LinkedIn Automation Focus

CASTANET is engineered for 24/7 LinkedIn lead flow; Apollo.io is multichannel.

CASTANET

Apollo.io includes LinkedIn outreach within its broader sequences. It manages comprehensive campaigns across email, calls, and social platforms. CASTANET is a specialized tool providing reliable 24/7 automation. It guarantees daily new leads with minimal manual intervention. For hands-off, persistent LinkedIn growth, CASTANET is superior. Apollo.io offers channel breadth, but CASTANET offers channel depth in this area.

Customer Reliability

CASTANET is highly reliable; Apollo.io suffers from widespread bug reports and issues.

CASTANET

User reviews cite Apollo.io's consistently unresponsive customer support teams. Frequent, disruptive UI changes make Apollo.io difficult to master. CASTANET reviews highlight its dependable 24/7 operation. It delivers consistent lead flow and reliable data export functionality. CASTANET's higher user rating (4.3) suggests better execution and stability. Apollo.io's comprehensive features are currently undermined by recurring performance issues.

Data and Enrichment

Apollo.io handles deep data enrichment; CASTANET mostly focuses on export.

Apollo.io

Apollo.io offers robust tools to enrich data across your entire organization. This includes continuous synchronization via API, CSV upload, and CRM integration. CASTANET’s primary function is exporting acquired profile data. This process happens via Zapier or Google Sheets after prospecting is finished. Apollo.io is crucial for RevOps needing clean, unified, and continuously updated CRM data. CASTANET does not attempt to solve enterprise-wide data hygiene complexity.

AI & Advanced Tools

Apollo.io is AI-driven across the stack; CASTANET does not feature integrated AI.

Apollo.io

Apollo.io utilizes AI to optimize and personalize sales outreach at scale. Its Call Assistant provides transcription, insights, and automated follow-up emails. CASTANET is focused on streamlined, rule-based LinkedIn automation. It does not incorporate advanced AI capabilities like Apollo.io's assistant features. For modern, machine-learning-driven sales acceleration, choose Apollo.io. CASTANET provides reliable automation without the added AI complexity or features.

Ease of Use

CASTANET requires simple setup; Apollo.io features a known steep learning curve.

CASTANET

Apollo.io is a massive platform, requiring significant investment in setup and training. Users often struggle with complexity and the platform's sheer scope. CASTANET emphasizes a straightforward, quick-start approach to automation. Its singular focus makes the interface simpler and faster to adopt. If fast results and minimal training are priorities, CASTANET wins easily. The complexity of Apollo.io is best managed by dedicated RevOps professionals.

Our Verdict

Objective guidance based on features, pricing, and user fit.

Choosing between Apollo.io and CASTANET means deciding between maximum scope and reliable specialized automation. For most small to mid-sized sales teams, CASTANET is the more dependable starting point. It does one thing—LinkedIn lead generation—and executes it consistently with a high 4.3 rating. Apollo.io’s superpower is its sheer breadth and massive B2B database access. It gives you 210 million contacts and deep data enrichment tools. You can run email, calling, and AI-optimized sequences all within Apollo.io’s powerful unified platform. CASTANET’s strength lies in its specialized, set-it-and-forget-it automation. It runs 24/7, delivering daily leads and crucial 'why fit' context. CASTANET boasts stronger user satisfaction because it reliably delivers on a clear promise. The deciding factor should be complexity versus stability. If you are a large enterprise consolidating five tools, Apollo.io is the ambition you need. If you just need reliable, automated lead flow from LinkedIn, stick to CASTANET. Final verdict: Choose CASTANET if stable automation and positive user experience matter most. Pick Apollo.io if you desperately need the huge B2B database and integrated AI tools, regardless of the reported learning curve and support issues.

Frequently Asked Questions

Which tool offers a better entry-level or free option: Apollo.io or CASTANET?

Apollo.io offers a superior starting point with a free-forever plan. This tier includes 1,200 annual credits and essential prospecting tools. CASTANET is paid-only, starting at $99/month, though it offers a full 7-day free trial.

Which is better for data accuracy and enrichment, Apollo.io or CASTANET?

Apollo.io is built for complex data management and enrichment. It provides API, CSV upload, and continuous CRM hygiene features. CASTANET’s focus is on lead export via Zapier, not enterprise-level data enrichment.

Is CASTANET easier to set up and use than the Apollo.io platform?

Yes, CASTANET is generally considered much easier and faster to set up. It focuses on specialized LinkedIn automation. Apollo.io is a complex, end-to-end platform that often requires significant training to master.

Can Apollo.io replace multiple sales tools better than CASTANET?

Absolutely. Apollo.io is designed as a unified sales command center. It aims to replace high-cost tools like Gong and ZoomInfo. CASTANET is primarily a lead generation specialist, requiring other tools for outreach.

Does CASTANET provide better context on prospects than Apollo.io?

CASTANET provides unique 'why fit' signals like shared schools, groups, and events. While Apollo.io offers 30+ data points, CASTANET excels at providing immediate, contextual conversation starters.

Why are user reviews for Apollo.io significantly lower than those for CASTANET?

Apollo.io rates 2.8, suffering from widespread complaints about unresponsive customer support. CASTANET rates 4.3 because users find its specialized 24/7 automation reliable and effective.

Ready to Choose?

Both tools have their strengths. Choose based on your specific needs.