
Loader.io
Loadster
LoadFocus
LoadUIWeb
LoadStorm
HailStorm
Neustar Website Load Testing
Better, cheaper load testing for websites, APIs and servers

Which is more popular?
Based on our record, Apollo.io seems to be a lot more popular than LoadForge. While we know about 69 links to Apollo.io, we've tracked only 1 mention of LoadForge.
Website, pricing, platforms and company facts side by side.
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| Website | loadforge.com | apollo.io |
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| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Free software to find email addresses - apollo.io review
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How often each product is chosen within a category, 0–100% relative to the other.


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External articles and on-site reviews we used to compare the two products.


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The right Apollo alternative fixes the part of Apollo that costs you meetings. Bad data calls for a better database, and a missing channel calls for a specialist tool next to Apollo.
What is the best AI prospecting tool for B2B sales in 2026? The best tool depends on your team's specific situation. toflow.ai is a strong fit for multi-channel outreach across email, LinkedIn, and WhatsApp, and is...
Apollo is a full sales engagement platform — sequences, email tracking, dialer, and a contact database. Their strength is email addresses, not phone numbers. Phone number coverage exists but it's thinner than...
Recommendations tracked on public social media and blogs since March 2021.


I've used LoadForge before for stress testing: https://loadforge.com I found it a good middle-ground between DIY tools like "hey" and the likes of JMeter and K6. LoadForge is really just a frontend for Locust [2]behind the scenes so all... - Source: Hacker News / about 5 years ago
Personal email domains destroy this. Clearbit's Enrichment API returns a null company when it hits gmail.com. Apollo routes personal domains straight to a consumer bucket and skips B2B fields entirely. Even PDL's /person/enrich endpoint... - Source: dev.to / 6 months ago
A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns... - Source: dev.to / 6 months ago
One thing comparison guides consistently get wrong: Clay is not an enrichment API. It's a waterfall orchestration tool that calls People Data Labs, Apollo, Clearbit, and others in sequence for you. It's useful, but it adds 2–8 seconds of... - Source: dev.to / 6 months ago
When comparing LoadForge and Apollo.io, you can also consider the following products.

Loader.io is a simple cloud-based load testing service
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ZoomInfo is a B2B database providing detailed business information on people and companies.
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Loadster is load testing, stress testing, and site monitoring platform. Your site has a breaking point... load test to find it before your users do, and monitor to react quickly to downtime and other problems.
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Cloud Testing Infrastructure | Cloud Testing Services and Tools for Websites & APIs.
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Find all the email addresses related to a domain
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