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Dev tools · alternatives · 2026

24 alternatives to Cotter

One-click phone number login and checkout

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cotter launched in 2020; newer entries below may have overtaken it.

  1. 1

    A simple login form for your no-code websites

    2021 · its alternatives →

  2. 2

    A simple & lightweight passwordless auth for your site/app

    2020 · its alternatives →

  3. 3CA
  4. 4
    Copper▲818

    Password-free signups. No social network required.

    2016 · its alternatives →

  5. 5
    idemeum▲91

    Passwordless login with one-click, biometric, or QR-code

    2021 · idemeum.com · its alternatives →

  6. 6

    Password-free login to all your web accounts

    2021 · heylogin.com · its alternatives →

  7. 7

    Easiest way to add passwordless login to your apps & website

    2022 · mojoauth.com · its alternatives →

  8. 8
    Gazepass▲313

    Passwordless login API for web and mobile apps

    2020 · gazepass.com · its alternatives →

  9. 9
    Keyri▲127

    Turn your app into an ultrasecure authenticator

    2021 · its alternatives →

  10. 10
    MojoAuth▲263

    Simple & Easy passwordless authentication for website & apps

    2021 · mojoauth.com · its alternatives →

  11. 11

    Official Telegram authentication for websites 🚀

    2018 · telegram.org · its alternatives →

  12. 12

    Frictionless security: auth & user management with passkeys

    2023 · 1password.com · its alternatives →

  13. 13

    Fully flexible, open source auth in 15 minutes

    2022 · supertokens.com · its alternatives →

  14. 14
    Chiff▲122

    Log in to any website with your face or fingerprint

    2021 · chiff.app · its alternatives →

  15. 15

    Simpler sign-in, safer passwords

    2022 · passwords.google · its alternatives →

  16. 16

    Passwordless login using fingerprint and facial recognition

    2020 · apps.shopify.com · its alternatives →

  17. 17

    Build auth in clicks, no code required

    2024 · logto.io · its alternatives →

  18. 18
    Sawo Labs▲124

    Allow your users to sign-in without a password or OTPs

    2021 · its alternatives →

  19. 19

    Open source email & password auth for developers

    2020 · supertokens.com · its alternatives →

  20. 20

    Fastest way to add passwordless login to your app for free

    2020 · workos.com · its alternatives →

  21. 21
    Keychat▲108

    Start a free secure chat with anyone without signing up

    2020 · its alternatives →

  22. 22

    Log into any app without sharing your personal information

    2015 · developers.facebook.com · its alternatives →

  23. 23
    UnCrack▲80

    Manage & secure your credentials efficiently

    2023 · github.com · its alternatives →

  24. 24
    Passkeys▲107

    Passwordless login

    2023 · developers.google.com · its alternatives →

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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 →