When comparing Padlock vs LessPass, the Slant community recommends LessPass for most people. In the question“What is the best cross-platform password manager?” LessPass is ranked 10th while Padlock is ranked 30th.
Ranked in these QuestionsQuestion Ranking
Supported on Android, iOS, and any platform that Google Chrome runs on.
Pro Completely open source
All source code is contained at https://github.com/maklesoft/padlock, so users can examine exactly what the program contains.
Pro Simple and easy to use
Stripped down version of most other password managers, containing only the ability to save passwords.
User interface built using Polymer (https://www.polymer-project.org/1.0/).
Pro Open source
Pro Really platform-free
Pro Doesn't store passwords
If it's not stored, it can't be stolen.
Con No pin code or fingerprint login on iOS and Android
You must type out your entire master password to enter the app each time on mobile.
Con No auto-fill in browser
Chrome app does not contain the ability to auto-fill password boxes.
Deterministic password managers have many drawbacks.
Con Cannot store existing secrets
Existing secrets (aka passwords) cannot be stored with deterministic password managers. In order to use LessPass effectively, you will need to change your password on every site.
Con Easily cracked with exposed/compromised master password
Since anyone can use LessPass with the same parameters as you, all they need is your master password (which could be obtained through keylogging or numerous other methods) to gain access to every one of your site passwords.