Chrome Users: Please note that LastPass has problems in iOS/iPadOS and as of 13.3.1, the fault is still present. All is not lost however as LastPass in the below example is tested and known to work correctly with Firefox as of iOS/iPadOS 13.3.1.

iOS/iPadOS Settings

  1. Open Settings
  2. Choose Passwords & Accounts
  3. Select AutoFill Passwords
  4. Check the box next to LastPass
  5. Uncheck the box next to iCloud Keychain.

LastPass App

Before you can access any passwords, you must have the LasstPass app installed on your iPhone/iPad and be logged-into the App with your LastPass Master Password

Web Browser

Although this example uses Firefox, the process is almost the same for Chrome users.

Step 1

  1. Select the password field.
  2. Open the share dialog by tapping on the 3 dots (Chrome users tap the share icon).
  3. Choose "Share Page With..." I did say the process was counter-intuitive...

Step 2

Tap LastPass

Step 3

Tap the password offered in the LastPass dialog.

That's it.

Conclusion

Although not a very intuitive process, using LastPass with a browser on iOS/iPadOS it's still pretty easy to use.

Answer from F1Linux on Stack Exchange
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App Store
apps.apple.com › us › app › lastpass-password-manager › id324613447
LastPass Password Manager App - App Store
We’ll handle the rest—autofilling logins, generating secure passwords, and syncing across all your devices. Whether you're browsing on your iPhone or logging into your favorite apps, LastPass makes it effortless. WHY MILLIONS TRUST LASTPASS - Secure Password Vault: Store all your passwords, passphrases, usernames, and payment methods in one encrypted place.
Rating: 4.4 ​ - ​ 56.4K votes
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LastPass
lastpass.com › password-manager › iphone
Best Password Manager for iPhone - LastPass
Experience the convenience and security of LastPass, the best password manager for iPhone users. Try LastPass today!
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LastPass
lastpass.com › features › autofill › iphone
Autofill Passwords on iPhone - LastPass
October 27, 2025 - All you need to do is download the LastPass iOS app and enable autofill in your iPhone’s settings. The next time you go to log in, a pop-up notification from LastPass will appear above the password field.
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LastPass
lastpass.com › features › password-vault › iphone
iPhone, iPad, & iOS Password Storage Vault - LastPass
February 16, 2024 - Keep your accounts at your fingertips with LastPass for iPhone. Our iOS app now supports in-app autofill for one-touch login.
Find elsewhere
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Reddit
reddit.com › r/lastpass › what’s going on with ios?
r/Lastpass on Reddit: What’s going on with iOS?
October 27, 2024 -

Seriously, LastPass on iPhone has become nearly unusable. Just a short list of issues:

  1. Oftentimes LastPass doesn't show up on input screens. Just nothing.

  2. Sometimes the LastPass chooser blocks other elements on the webpage and there's no way to tell it to go away. I have to disable LastPass to use some websites.

  3. I have to use "open in LastPass" at least every other usage. Then it somehow forgets whatever search context it had, and it's just a page of my vault.

  4. Sometimes refuses to save passwords when you're entering them, requiring you to almost immediately use the lost password flows.

  5. If you have multiple logins for those websites that do email first, submit, then password (like Ticketmaster) LastPass always chooses the wrong account. I can't remember the last time I signed into Ticketmaster with LastPass without resetting my password. I have season tickets, this is a constant frustration.

I've been using this for years and I'm just hitting the point that the built in password manager on iOS is more useful. What is going on? It's like they've stopped developing it for iPhones and are just letting it rot.

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Login Lockdown
loginlockdown.com › home › reviews › lastpass review: is it still the best password manager? (updated for 2025) › how to use lastpass on iphone in 2022
How to Use LastPass on iPhone in 2022 - Login Lockdown
August 4, 2023 - Your device must run iOS 10.0 or greater to use the iOS app. The iPhone 4S, 5, 6, 6+, 7, 7+ are compatible with the app as is the 5th-generation iPod Touch and iPad 2, 3, 4, Mini, Air, and Air Pro.
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LastPass
lastpass.com › company › newsroom › c51374ea-2551-4a5e-8a4f-2124e192e609
LastPass Announces New iOS Save and Fill Experience to Increase Usability for Mobile Customers - LastPass
Streamlines the way users fill, create and save their credentials and information online. BOSTON, June 8, 2022 — LastPass, the global leader in zero-knowledge password management, today announced its new save and fill experience giving all customers the ability to fill in, create and save their credentials directly within a site’s form field when using the iOS Safari extension on iPhones and iPads.
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LastPass
support.lastpass.com › help › lastpass-for-ios-autofill-faqs
LastPass for iOS Autofill FAQs - LastPass Support
Enable LastPass in the iOS Safari extension, which allows LastPass to fill login credentials and non-password items (form fill data such as addresses and payment card info) directly into websites launched in the Safari mobile web browser.
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LastPass
blog.lastpass.com › 2018 › 09 › get-in-app-autofill-with-lastpass-ios-12
Get In-App Autofill with LastPass and iOS 12 - The LastPass Blog
September 12, 2018 - With LastPass, you're secure at work, home and on-the-go. Let’s get you set up. Enabling autofill on your iOS device To get started, you need to download iOS 12 and the new version of the LastPass app.
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Reddit
reddit.com › r/lastpass › lastpass and passkeys on ios - safari
r/Lastpass on Reddit: Lastpass and passkeys on iOS - safari
May 14, 2024 -

I’m in some identity management pain. I don’t recall opting into passkeys but somehow Google is now asking me for it when I’m using them for id management. I don’t think i have a passkey. When i try to create one, LastPass says “Password can’t be added.” (I’m not trying to use Lastpass, it’s just inserting itself.)

I see another thread on this topic but am not finding Lastpass to be buggy. The issue is more that either passkeys are not ready for prime time or they’re not playing nicely with last pass.

Should I turn off LastPass? Turn off passkeys? (How?)

I’ve also noticed google 2fa doesn’t work when things are launched from Facebook. (Not sure if it’s a security issue or a bug.)

Has anyone found a way out of this mess while keeping LastPass?

Thanks