Growth · alternatives · 2026

24 alternatives to Kickbox

Quickly validate and verify your email lists.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Kickbox launched in 2015; newer entries below may have overtaken it.

1. 1
   Kickbox▲7

   verify your email list

   2015 · kickbox.com · its alternatives →

2. 2
   Email List Verify▲330

   Remove hard bounces and email traps from your email lists

   2016 · emaillistverify.com · its alternatives →

3. 3
   BounceKick▲16

   Self-Hosted Email Verification Platform

   2017 · bouncekick.com · its alternatives →

4. 4
   Email Bounce Checker from BlockSurvey▲98

   Privacy-focused email bounce checker. No ads, no trackers.

   2022 · blocksurvey.io · its alternatives →

5. 5
   BounceBan▲123

   Unlimited free email verify, works great for accept-all

   2022 · bounceban.com · its alternatives →

6. 6
   BounceHunter▲72

   Real-time email verification and email cleaning services

   2021 · bouncehunter.com · its alternatives →

7. 7
   Weecheck▲120

   Validate email addresses and avoid bounces

   2021 · its alternatives →

8. 8
   Weecheck v2▲100

   Simple email verification to improve deliverability

   2022 · its alternatives →

9. 9
   Turing Email▲112

   Making checking your inbox as fun as using Slack

   2015 · goo.gl · its alternatives →

10. 10
    Boxer for Android▲75

    "Faster, smarter mobile email app" now on Android

    2014 · play.google.com · its alternatives →

11. 11
    Bulk Email Validation▲80

    Clean your existing email lists with mailbox verification

    2019 · app.mailgun.com · its alternatives →

12. 12
    Proofy▲181

    Quickly validate and verify your email lists.

    2016 · proofy.io · its alternatives →

13. 13
    Briteverify▲117

    Validate & verify your email addresses before you send.

    2015 · briteverify.com · its alternatives →

14. 14
    Bouncebuster▲162

    Real-time email verifier

    2021 · bouncebuster.io · its alternatives →

15. 15AS
    A site to help you validate ideas in bulk▲93

    Hi HN! I made a really quick web app to help people validate their ideas. The app is a simple landing page builder, but every page includes a really simple Yes/No "Are You Interested?" poll. Every vote is recorded and tracked, and if they click yes they are brought to a page where they can submit an email. This makes validating ideas super easy because you can post your link to different communities and get statistically significant results as well as build an email list. Given an hour, you could easily create 50 different landing pages and be able to validate your ideas in bulk. The…

    2020 · its alternatives →

16. 16
    BounceStrike▲14

    AI-powered real-time email verification API, cheaper price

    2025 · bouncestrike.com · its alternatives →

17. 17
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025 · mail-check.tech · its alternatives →

18. 18
    Contest Domination▲64

    Contest software to help build impressive email iists

    2014 · contestdomination.com · its alternatives →

19. 19
    Kintegra labs▲73

    Must have tools for internet marketers

    2018 · its alternatives →

20. 20
    EmailAwesome▲39

    Validate emails, less bounces & spam reports for 10X less

    2024 · emailawesome.com · its alternatives →

21. 21
    Legitmailbox▲75

    Email Verification API with monthly reports

    2021 · its alternatives →

22. 22
    VerifyHQ▲16

    A Powerful Email Discovery & Verification Tool

    2016 · its alternatives →

23. 23
    Email Verification Tool▲55

    A Google Sheets add-on for bulk email verification

    2018 · workspace.google.com · its alternatives →

24. 24
    Mailerio▲30

    Keep your lists clean with email validation tool

    2025 · mailerio.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →