1: the only reader, ePub3.0 reader, supports HTML 5 &；; CSS3, size:13.8m.

Advantages: Support complex css such as video, audio, mathematical formula, SVG, vertical layout, DIV pop-up, background picture, background color, etc., support fluorescent notes and bookmarks, facilitate directory viewing, support multi-national (regional) characters, and especially support Japanese vertical fine print annotation (kill blue library format).

Disadvantages: the background color is not set (but you can set the background color or picture when making epub), and flash is not supported.

2. E-book reader, ePub3.0 reader, supporting html 5 &；; CSS3, size: 43m

Advantages: Support complex css such as video, audio and mathematical formulas.

Disadvantages: the background color is not set (but you can set the background color or picture when making epub), and flash is not supported.

3. Pocket Bookstore, ePub3.0 reader, supporting HTML 5 &；; CSS3, size:1.4m.

Advantages: Support complex css such as video, audio, bookmarks, catalog background pictures, double-click scaling of pictures, font special effects filters, etc.

Synchronous multi-platform reading

Disadvantages: no background color is set, flash is not supported, and there is no vertical arrangement.

4. Read more, ePub2.0 reader, size:10.7m.

Advantages: fast loading speed and excellent fluency. A variety of css styles, exclusive support for gorgeous comments, font special effects filters, background image tiling and jumping, directory background images, comments, bookmarks, skinning.

Disadvantages: there is no comparability between function and strangeness.