When comparing Lightning vs Opera Mini, the Slant community recommends Opera Mini for most people. In the question“What are the best Android web browsers?” Opera Mini is ranked 16th while Lightning is ranked 17th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free and open source software
This means you can help developing new features if you would like to contribute.
Moreover you can inspect the code if you are concerned about privacy.
Pro Built-in reading mode
Reading mode allows removing everything on a page but the content. It removes ads, styling and anything else that could get in the way of a comfortable reading experience.
Pro Slide-out tab switcher
Tab switcher can be quickly accessed by swiping from the left.
Pro Incognito mode
Pro Completely free
Pro Very light weight
Great for phones with lower RAM or performance issues.
Pro Has built-in ad blocker
Pro Has a data saver
Opera mini's data saver has two modes - regular and extreme. great for people with smaller data plans when not on wifi. Has also the ability to control the quality of downloaded images and some video optimizations.
Pro Optimized for Facebook
Cons
Con No bookmark folders
Bookmarks can't be organized into folders.
Con Doesn't support some common modern browsers functionalities
Some web pages might look a bit broken but from personal experience it doesn't happen often enough (or at all) to be a major issue.
Con Many bugs
In extreme data saving mode, it sometimes won't load page correctly.
Con Has issues while playing video
It will crash when you are playing video.