Life & fun · alternatives · 2026

24 alternatives to Obsidian - OTP Authenticator

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Obsidian - OTP Authenticator is a two-factor authentication app launched in 2021. It generates one-time passwords to secure user accounts across various services. The app is designed for anyone who needs to protect… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Obsidian - OTP Authenticator launched in 2021; newer entries below may have overtaken it.

1. 1
   Obsidian 2.0▲126

   OTP authenticator for iOS & macOS

   2021 · sproul.io · its alternatives →

2. 2
   Obsidian Authenticator▲71

   Elegant OTP authenticator app for Mac and iPhone

   2017 · apps.apple.com · its alternatives →

3. 3
   Obsidian for Mobile – Plain-text knowledge base on the go▲760

   Obsidian Mobile brings the power of our desktop app to your mobile devices.

   2021 · obsidian.md · its alternatives →

4. 4
   Authenticator▲87

   Two-factor authentication in your browser itself

   2021 · authenticator.cc · its alternatives →

5. 5
   Stack Auth (YC S24)▲424

   Open-source Auth0/Clerk alternative

   2024 · hexclave.com · its alternatives →

6. 6
   Authy▲177

   Dead simple two-factor authentication optimized for devs

   2014 · authy.com · its alternatives →

7. 7
   Authenticator°▲85

   Online account protection with multi-factor authentication

   2023 · apps.apple.com · its alternatives →

8. 8
   Authenticator by 2Stable▲66

   Secure, encrypted and fast two-factor authentication app

   2021 · authenticator.2stable.com · its alternatives →

9. 9AB
   Authenticator by 2Stable▲28

   2021 · authenticator.2stable.com · its alternatives →

10. 10
    2FAS▲69

    The fastest-growing, private, and secure 2FA app

    2022 · 2fas.com · its alternatives →

11. 11BL
    Beautiful login and signup views for iOS with a few lines of code▲82

    2012 · blog.parse.com · its alternatives →

12. 12AO
    Authian – Open Source 2-Factor Authentication Using Instant Messengers▲37

    2017 · authian.org · its alternatives →

13. 13
    The 2FA app that notifies you when you get `012345`▲35

    An indie project for early 2010s internet addicts

    2024 · jacobbartlett.substack.com · its alternatives →

14. 14
    Authenticator App by 2Stable▲100

    Secure 2FA app for iPhone, iPad, iPod, Apple Watch & Mac

    2023 · authenticator.2stable.com · its alternatives →

15. 15
    Obsidian 4▲6

    Elegant OTP Authenticator App for iOS and MacOS

    2017 · obsidianauth.github.io · its alternatives →

16. 16
    CodeSnap – Git workflow-based community blogging platform▲14

    Jun88 là trang web cá cược uy tín hàng đầu khu vực châu Á với đa dạng sản phẩm giải trí như bắn cá đổi thưởng, game bài, cá cược thể thao, lô đề online, xổ số..

    2015 · codesnap.io · its alternatives →

17. 17
    Wrte.io – Charge for each email you get▲19

    8XBET là nhà cái thể thao uy tín hàng đầu Châu Á, đối tác của Man City. Trải nghiệm kho game đỉnh cao: thể thao, casino, xổ số. Đăng ký ngay nhận 688k miễn phí!

    2015 · wrte.io · its alternatives →

18. 18
    AppStarter – Online iOS Development▲13

    99OK là nhà cá cá cược hàng đầu Châu Á. Cung cấp đa dạng sản phẩm cá cược như: casino, game bài, thể thao, bắn cá, xổ số. Đăng nhập 99OK

    2015 · appstarter.io · its alternatives →

19. 19BA
    Bunkr – Auth and Secrets Management Using Threshold Crypto and SMPC▲15

    2019 · bunkr.app · its alternatives →

20. 20
    Language detection as a service▲38

    Kèo nhà cái 5 là bảng thông số hiển thị các con số dự báo kết quả trận đấu được chuyên gia phân tích thiết lập, phản ánh tương quan lực lượng.

    2013 · getlang.io · its alternatives →

21. 21
    Simple iOS App Prototyping Tool▲6

    SV388 - Nhà cái uy tín từ 2017 chuyên cá cược thể thao, casino online và đá gà trực tuyến. Trải nghiệm đỉnh cao, an toàn tuyệt đối. Link chính thức mới nhất!!!

    2016 · hunchapp.io · its alternatives →

22. 22
    Authenticator App - 2FA▲3

    MFA and 2FA Authentication with Safe and secure OTP

    2022 · play.google.com · its alternatives →

23. 23SS
    SharedOTP – Shared two-factor authentication mechanism▲29

    2021 · sharedotp.com · its alternatives →

24. 24
    VD – TUI Password Manager and OTP Authenticator for Unix▲7

    TUI Password Manager and 2FA/OTP Authenticator. Contribute to ahmedhosssam/vd development by creating an account on GitHub.

    Aug 2026 · github.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 →