Software Alternatives, Accelerators & Startups

Apollo.io VS Castle

Compare Apollo.io VS Castle and see what are their differences

Apollo.io logo Apollo.io

Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

Castle logo Castle

The easiest way to protect your users from getting hacked
  • Apollo.io Landing page
    Landing page //
    2023-05-08
  • Castle Landing page
    Landing page //
    2023-10-17

Apollo.io videos

Free software to find email addresses - apollo.io review

More videos:

  • Review - “Feature Fatigue Kills UX” by Lily Chen, senior software engineer at Apollo.io

Castle videos

Kingdom Come, Deliverance, CASTLE review

More videos:

  • Review - Castle TV Series Review
  • Review - What Really Went Wrong on Castle

Category Popularity

0-100% (relative to Apollo.io and Castle)
Lead Generation
100 100%
0% 0
Security & Privacy
0 0%
100% 100
Sales Tools
100 100%
0% 0
Security
0 0%
100% 100

User comments

Share your experience with using Apollo.io and Castle. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Apollo.io seems to be a lot more popular than Castle. While we know about 63 links to Apollo.io, we've tracked only 2 mentions of Castle. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Apollo.io mentions (63)

  • Lead Generation
    Apollo.io seems popular for cold email. Source: 6 months ago
  • Senior front end developer salary
    FAAANGM + ATlassian/Uber and similar product based companies 85 lacs - 1.1 cr Startups like coinbase / apollo.io / rippling 80+. Source: 8 months ago
  • Anything Better Than Apollo.io?
    Their data seems pretty good and their features are awesome, but they had a couple of glitches this week that are annoying me. I know they seem to be the best, but has anyone bested them yet? Curious if there's anything out there that's better than Apollo.io. Source: 11 months ago
  • how to get Email Contacts
    Tons of options: apollo.io is popular and affordable. If you're looking for recently funded company contact info, saasydb.com is good. Source: 11 months ago
  • LinkedIn Sales Nav worth it or overrated?
    I agree with most people here in that its invaluable. Especially when paired with some other tools like apollo.io and autobound.ai. Source: 11 months ago
View more

Castle mentions (2)

  • If you need help with distrokid related issues inbox me i used to work for distrokid
    Tell me about the fingerprint, they using castle.io within segment.com ? Or something else? And what they watching? Source: about 1 year ago
  • Best practices for Two Factor Auth / 2FA in 2021?
    I use a combination of https://github.com/wmlele/devise-otp and https://castle.io/. Source: almost 3 years ago

What are some alternatives?

When comparing Apollo.io and Castle, you can also consider the following products

Hunter - Find all the email addresses related to a domain

StackPath - Secure Content Delivery Network, DDoS, WAF Service

Lusha - Search less. Sell more.

Pulse Secure - Pulse Secure provides a consolidated offering for access control, SSL VPN, and mobile device security. Contact Pulse Secure at 408-372-9600 to get a free demo.

ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.

Flexera Software Vulnerability Manager - Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.