Cubari is described as 'This website is an image proxy. It takes images from other websites and displays them in a better manga-oriented reader, Cubari. This reader was born while developing Guya.moe, the website to host Kaguya' and is an website in the News & Books category. There are five alternatives to Cubari, not only websites but also apps for Android, iPhone, iPad and SaaS. The best alternative is Tachiyomi, which is both free and Open Source. Other great sites and apps similar to Cubari are MangaDex (Free), Seeneva (Free, Open Source), Kenmei (Freemium) and Manga Fox (Free).
A modern tracker, that let's everyone track their manga, manhwa, manhua, etc collections in a single place. It supports dozens of sites, from official publishers to fan-made translation groups - there is no better place to keep up to date with latest chapter releases.
This is the best comic reader app for you, the world's unlimited, ever-growing library of free manga story. All manga on Manga now is free to read. You can browse past issues and, of course, the newest issue is free as well.