
ZoomInfo
Lusha
Hunter.io
Instantly.ai
lemlist
Clearbit
Snov.io
Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

AI or Not
Illuminarty AI
Hive AI
Lasso Moderation
FakeRadar.app
PicPurify
Originality.AI
Effortless moderation of user-submitted photos. Instantly detect nudity and adult content with our easy-to-use API, for a fraction of the cost of human moderation

Which is more popular?
Based on our record, Apollo.io seems to be a lot more popular than Sightengine. While we know about 69 links to Apollo.io, we've tracked only 3 mentions of Sightengine.
Website, pricing, platforms and company facts side by side.
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| Website | apollo.io | sightengine.com |
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| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of Sightengine yet.
Walkthroughs and reviews on video.
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.


Share your experience with using Apollo.io and Sightengine. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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...
We were looking for a scalable way to moderate all our images and text messages. Very happy with the Sightengine integration: very flexible in terms of how and what you filter, works great for us! We started with...
Recommendations tracked on public social media and blogs since March 2021.


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
Sightengine is a developer-focused content moderation API that uses AI to detect nudity, violence, weapons, drugs, and other harmful content in text, images, and video. It's designed for fast, automated detection with transparent pricing... - Source: dev.to / 10 months ago
Sightengine | Remote | Multiple roles | Full time At Sightengine (https://sightengine.com) we build AI models for Trust & Safety. This includes multi-modal content moderation and abuse detection We are hiring for multiple roles. We are... - Source: Hacker News / over 2 years ago
So I was curious and did a google, it seems https://sightengine.com/ can do this and with a tiny bit of python it also seems doable. Source: about 4 years ago
When comparing Apollo.io and Sightengine, you can also consider the following products.

ZoomInfo is a B2B database providing detailed business information on people and companies.
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Detect AI generated images, audio & KYC documents for free.
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Find all the email addresses related to a domain
Compare Hunter.io to Apollo.io or Sightengine:

We provide cloud-based AI solutions that help companies unlock the “next wave” of enterprise automation use cases We help clients automate the interpretation of video, image, text, and audio
Compare Hive AI to Apollo.io or Sightengine: