New Mnemonica sign-in: guide for Guests
From 17 October 2026, you sign in to Mnemonica in a new way.
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- Updated
From 17 October 2026, with version 3.5, you sign in to Mnemonica in a new way. Passwords and verification codes no longer exist. You sign in with a link that Mnemonica sends to your email, or with your Google or Apple account.
Someone shared resources with you on Mnemonica, and you already have an account. The first time that you sign in after the update, you do a short onboarding. It takes about one minute. After that, you sign in in a few seconds.
The first time
Web app
Ask for a sign-in link
Go to mnemonica.io. Type your email address and click Send me a sign-in link.
Click the link in the email
Open the email on the computer that you want to use. Click the link. It works one time, for 15 minutes.
Accept the documents
Read the Terms of Use and the Privacy Notice. Select I have read and approved for each document. Click Continue.
Choose how you sign in next time
Select Google, Apple or email. If you have a Google or Apple account, we recommend that you use it. Next time you sign in with one click, and you do not wait for an email.
Check your name
Check your display name. If you want, add a picture.
Protect your account
Mnemonica asks Is this your personal computer?
Answer Yes only if nobody else uses this computer with your account. A passkey on a shared computer lets other people open your account.
- On your own computer: click Yes, only I use it. Create a passkey. You unlock it in the same way that you unlock your computer.
- On a shared computer: click No, others use it too. Scan the QR code with the Mnemonica app on your phone. To prepare the app, follow the Mobile app tab first.
If your computer cannot keep a passkey, Mnemonica asks you to scan a QR code with the app in this case too.
Mnemonica can also offer a second strong method. We recommend it: if you lose one method, you still have the other. At the end, your Projects show on your home screen.
Mobile app
Update the app
Update the Mnemonica app from the App Store or Google Play. The old version does not work with 3.5. If you do not have the app, install it.
Ask for a sign-in link
Open the Mnemonica app. Type your email address and tap Send me a sign-in link.
Tap the link in the email
Open the email on the same phone. Tap the link. It works one time, for 15 minutes.
Accept the documents
Read the Terms of Use and the Privacy Notice. Turn on I have read and approved for each document. Tap Continue.
Choose how you sign in next time
We recommend a passkey: you unlock it with your fingerprint, your face or your PIN. As a second choice, select Google or Apple. With both, next time you sign in with one tap, and you do not wait for an email.
Check your name
Check your display name. If you want, add a picture.
Enable biometrics
Mnemonica asks you to protect your account. Tap Enable biometrics. Use the way you unlock your phone: fingerprint, face or PIN.
If your phone has no fingerprint sensor, no face unlock and no PIN, you cannot enable biometrics. Your sessions stay basic.
Mnemonica can also offer a second strong method. We recommend it: if you lose one method, you still have the other. At the end, your Projects show on your home screen.
Does your Project ask for a strong session?
Some Projects are marked Strong. An email link, Google or Apple gives a basic session, and a basic session does not open these Projects. You need a strong session: you confirm that it is you with your fingerprint, your face or your PIN.
If you protected your account in the onboarding, you already have one. If not, do it now:
- On your phone (recommended): open the Mnemonica app. Open the Strong Project, or open Preferences / Security. Tap Enable biometrics.
- On a computer that only you use: sign in. At Is this your personal computer?, click Yes, only I use it. Click Add a passkey.
- On a shared computer: do not add a passkey. Click the Mnemonica App tab and scan the QR code with the app on your phone.
To learn more, read Strong Projects and Basic and strong sessions.
Every time after that
Go to mnemonica.io and use one of these:
| You want to | Do this |
|---|---|
| Sign in fast | If you chose Google or Apple, click Sign in with Google or Sign in with Apple. |
| Sign in with your email | Click Send me a sign-in link, as the first time. |
| Open a Strong Project on your own computer | Click Use passkey and unlock. |
| Open a Strong Project on a shared computer | Click the Mnemonica App tab. In the app, tap the round QR code button at the bottom right. Scan the code. |
| Use your phone | If you enabled biometrics, open the app and unlock it. If not, use Google, Apple or an email link. |
On a shared computer, always answer No, others use it too.
Do you need help?
If you cannot sign in, write to support@mnemonica.com. The full sign-in guide is Signing in to Mnemonica.
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