Secure & Decentralised OTP Authenticator

Obsidian is a secure, reliable and decentralized solution for OTP (One-Time Passwords) based on the iCloud Keychain and synchronised among iOS and MacOS.

Just enable 2-Factor Authentication in all your accounts (e.g. Google, Instagram) and let Obsidian manage the rest.

A better way to manage OTPs

Relies on the iCloud Keychain to store all your tokens, the most secure place in your device
There is no external server, your tokens never leave your iCloud Keychain
Seamlessly synchronised among all your iOS and MacOS devices using your iCloud Keychain
First-class user experience wrapped in 4 beautiful themes (Light, Dark, Black & Clubhouse)

Our Testimonials

The easiest 2FA app to use ★★★★★
This app "just works". Zero configuration and it already synchronizes through all of my devices. It makes 2FA so easy to use that I've been enabling this feature in much more services than I did before, resulting in more security for me for no added hassle.
Best MFA app ever - as it has a companion for MacOS ★★★★★
I am using this app for the last 2+ years. Coming from Google Authenticator the key benefit is the amazing companion app on MacOS. I need my tokens mostly on my Mac so having an easy copy and paste made my life so much better. The iOS app is straight forward and simple to use and always gives me quick access with copy and paste on my phone. Also love that it stores the tokens in iCloud, so when you get a new phone your tokens are still there. thank you!
Best way to MFA! ★★★★★
Obsidian is better and more complete a solution for MFA than anything else I've tried. Other authentication systems lock up the keys in their own vault. Obsidian allows you to synchronize this vault across your protected Apple devices. So, my iPhone, iPad and MacBook Pro all have the same information and I can use which ever is handy to authenticate.
App worth using in depth ★★★★★
What a surprise. It's available for iOS. It's a great experience on Mac. It's definitely a learning tool after syncing. I hope the developer will keep up the good work. Definitely support
Simple, Fast, Beautiful ★★★★★
Fabio Poloni
Obsidian is the perfect solution to store TOTP/HOTP tokens and sync them using iCloud. It's fast and reliable.
Was looking for just that. ★★★★★
I use 2FA where I can and it was always a pain to open Google Auth of the phone if you are trying to login on the computer. I was looking for an app that would have same tokens on both iPhone and Mac... I've tried half a dozen of them until I found Obsidian, that does exactly what I was looking for — OTP sync across all devices!
Excellent! Finally! ★★★★★
Finally I can use MFA tokens in a whereever I am. Don't have my phone? Not a problem, it's on my Mac. How about if I just have my phone or iPad? Yes, it works there too. And yes, you can click(copy) / paste into your web applications. So smart. I use this all day long.
Solid ★★★★★
Mark Rinella
Clean and simple. Uses iCloud to sync across devices. Responsive dev who cares about his app.