Alternatives

Products that do what TrueUser does

Detect fake signups before they cost you.

1. 1
   Checker▲124

   Detect fake signups in under 200ms with an easy-to-use API

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2. 2
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3. 3
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4. 4
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   Stop fake signups from draining your AI budget

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5. 5BP
   Bot, proxy and fake email detection without captchas▲9

   I've been researching the bot & proxies space for years. I slowly incubated a service to protect public forms, contents and APIs. It recenty reached a few million daily requests and I now dare to bring it to light. Truesign detects bots, proxies/vpns and fake emails, through a single request from the browser, without challenges or user interaction. It can block the request based on rules you choose, or grant a token with encrypted information about the visitor for you to decide. I created a few pages to showcase how it works: - https:/demo.truesign.ai/protected-form : a form…

   Oct 2025 · truesign.ai

6. 6
   Mailtrap.io▲125

   Fake SMTP. Send Test Emails without spamming real customers

   2014

7. 7
   Signupscore▲3

   Stop fake signups without blocking real customers

   Aug 2026 · signupscore.com

8. 8
   Fake User Info▲108

   Create 'real' fake user profiles for test and demo purposes

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9. 9
   Fake Info Generator▲188

   Generate fake user info for all your needs

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10. 10
    TrueEmailer▲2

    Check if an email is real before you send

    Aug 2026 · trueemailer.com

11. 11
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12. 12
    CleanSignups▲4

    Block fake signups with real-time email verification

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13. 13
    Email Verify API▲92

    Simple email validation API for a $39 lifetime license

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14. 14
    DisposableCheck – Disposable Email Check▲12

    Free Disposable Email Detector & API

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15. 15
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    Instantly know if a site is a scam, right from your browser

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16. 16
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17. 17
    AuthSafe▲82

    Block fraud not legitimate customers

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18. 18
    VerifySignups

    Stop fake signups with real-time email verification

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19. 19
    Tempo Checker API - Fuck Fake Users ▲2

    Knockout fake user form your app. Because they ass holes

    17d ago · tempo-checker.rami-dev.com

20. 20
    IsItDisposable▲11

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    26d ago · isitdisposable.com

21. 21
    StopReg▲1

    Block disposable emails and fake registrations instantly

    May 2026 · stopreg.com

22. 22
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    Email verification API that catches fake signups

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23. 23LO
    List of disposable email domains to prevent fake registrations▲28

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24. 24
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    Grow your email list with real, verified subscribers.

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