When comparing Dashlane vs 1Password, the Slant community recommends 1Password for most people. In the question“What is the best cross-platform password manager?” 1Password is ranked 5th while Dashlane is ranked 9th. The most important reason people chose 1Password is:
An iteration on the UI brings a polished look that was already good-looking to begin with. It even tries pulling in relevant app and web icons, adds credit cards logos and has little animation to make the experience more pleasant.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can automatically capture passwords
Dashlane will automatically add passwords to its database when logging in a site.
Pro Simple UI
Dashlane's user interface is split into three clear sections - password manager, form auto filler, and digital wallet. It's simple, intuitive and easy to use.
Pro Can automatically log in sites
Pro Elegant UI/UX
Pro Slick and intuitive user interface
The Dashlane app for iOS was redesigned for a fresh look and effortless experience.
Pro Allows you to keep multiple IDs for the form filler
For when you need to keep your identities separate.
Pro Free on single device
Dashlane is available as a free product. The paid option ($29.99/yr) adds syncronization across multiple devices and ability to create an encrypted backup.
Pro Allows securely sharing passwords
Dashlane allows users to share login credentials with trusted friends or family.
Pro TouchID login on iOS
TouchID makes logging into the app incredibly fast, easy, and secure.
Pro AES-256 encryption
Military grade encryption
Pro Multifactor authentication support
Two-factor authentication is available through mobile apps. Dashlane supports Authy, Google Authenticator and FreeOTP.
Pro Security Dashboard rates all passwords
Security Dashboard checks the strength of all passwords.
Pro Tracks online shopping

Pro Log in with fingerprint on Android
You can use your fingerprint to log in to the app, or to authorize auto-logins.
Pro A clean, good-looking and intuitive UI
An iteration on the UI brings a polished look that was already good-looking to begin with. It even tries pulling in relevant app and web icons, adds credit cards logos and has little animation to make the experience more pleasant.
Pro Available as a webapp, as a standalone application, as an extension, and more, across most platforms, browsers, operating systems, and devices.
Versatility and synchronicity for the majority of the devices and platforms you use. Plus, all software is free with a paid subscription.
Pro Browser integration
Easily fill in passwords with a single keystroke combination.
Quickly add new and update existing passwords right from the browser when the login is detected by the free browser extension.
Pro Can perform an audit on passwords
1Password can checks for weak, duplicate and old passwords you have stored.
Pro Easy to use autofill and password generator
Automatically logs into websites, enters credit card information, fills registration forms, and easily generates strong passwords. Password generator can be adjust to use or exclude certain characters and patterns.
Pro Warns of website vulnerabilities
A feature called Watchtower cross-references known website vulnerabilities with stored login information using a database that is updated daily.
Pro Can also store software and license keys
Pro Collaborative password management
1Password offers an option to create a shared vault for sharing passwords among friends, family and co-workers.
Pro Time based one time passwords
Pro Version now supports time based one time passwords (instead of installing google authenticator).
Pro AES-256 encryption
For more information see here.
Pro TouchID support
All TouchID capable devices are supported.
Pro Cloud & Wi-Fi sync
1Password offers syncing through cloud storage services such as Dropbox and iCloud and a possibility to sync locally over Wi-Fi if you opt not to use cloud storage.
Pro Endorsed by many high credibility security experts
This app is endorsed by many high credibility security experts (for example, Troy Hunt ).
Pro Great customer support
Pro Can store secure notes
1Password can store secure notes which don't file cleanly into other areas like passwords or bank details. Secure notes can be used to record anything you want.
Pro Can use multiple vaults at once and search across vaults
One could manage a vault for work, a vault that's personal and a shared family vault while keeping the details of each segmented from each other and only sync'ed where/if desired.
Pro Active community of users and active / blogging development team
There is an immense sense of community and openness with 1Password.
Pro Periodically assessed by external security auditors and their findings are repaired quickly
Pro Available on multiple platforms
Pro Doesn't depend on the cloud
Unlike many other password management tools, by default the 1Password encrypted database is not stored in the cloud, but strictly locally, for added security.
Pro Makes use of keys so that password to login is never in transit
Cons
Con Not Open source
Code is closed source.
Con Free limit to 50 accounts
Quickly used by most users.
Con No Linux support
There is no native desktop app for Linux, though it is possible to use a Chrome or Firefox extension.
Con Can be slow and resource-heavy
Con Poor technical support
It has no competent technical support, and no telephone support phone number.
Con Massive memory consumption on MacOS
The MacOS client has been a huge memory hog for years. Memory consumption of multiple gigabytes is not uncommon.
Con Not seamless with iOS Safari
Dashlane links to Dashlane Browser which is the worst browser in the world. Dashlane is crippled in linking seamlessly to iOS Safari. Support is lame, late and narcissistic.
Con It won't let you easily stop automatically starting on login
Con Depends on the cloud
Con Poor UX
Dashlane has a habit of piping up excessively and autofilling almost every form.
Con It keeps pushing to give it access to the browser and then screws up the log-in
Con No native BlackBerry or Window Phone applications
Con Way too self promoting
Con Windows browser plugin is a memory hog
On Windows 10.

Con Not open source (free/libre)
This application is proprietary, and thus cannot be modified, freely distributed, or trusted to be secure.
Con Inability to fill password sometimes
You have to fill twice to make it work.
Con Default is subscription model
It's really hard to find out how to obtain a full license.
Con Support sucks
Support does sometimes does not read requests thoroughly, and offers ham-baked or non-workable sulutions.
Con Unintuitive and slow responding UI
A hot mess of desktop applications and browser plugins that are supposed to work together, but don't always do. Browser plugins frequently become unresponsive and are very basic in comparison to other solutions.
Con Lack of Google Drive sync
Only icloud, wifi and Dropbox support.
Con Tough/impossible to get on Chromebook
Con Does not auto-fill and generate passwords in Microsoft Edge for Windows 10
The 1Password Edge extension doesn't work as well as in other browsers, as it can't auto-fill and generate passwords. Only LastPass seems to have a fully-functional browser plugin for the Edge browser at this time.
Con Unreasonably high price
It has a high monthly subscription price.
