thibautdelille

WordPress can be sometimes slow and make a lot of call to the database when you want to display a lot of posts with featured images in on beautifull long scrolling page. I a case like that you need to hit the database to get the featured image of every post.
JSON Cache fix this issue. it allow you to generate a json file that content all the informations of a post so the user when visiting your site just need to open the json file.

JSON Cache Plugin

A Wordpress plugin to generate JSON file from a wordpress database.

dphiffer

GoodBarber

GoodBarber plugin is a fork of JSON API created by dphiffer. 
GoodBarber plugin creates a communication interface between your WordPress and your GoodBarber account. 
It is used to retrieve content from your WordPress so that you can sync it with your native app created with GoodBarber.

GoodBarber plugin allows you to retrieve WordPress content in order to create a native app for iOS and/or Android

JSON Cache Plugin vs GoodBarber