WaRadar

The app for discovering if your WhatsApp contacts are online

Status Saver

Download the statuses of your favoriate chat and messaging app

Yansa

Messenger app tracker

WAPunch

Add new features to WhatsApp

WT Hub

Set of additional tools for WhatsApp

Whats Tracker

Check who's viewed your WhatsApp profile

Labalabi for WhatsApp

Send bulk messages on WhatsApp

GBStickers - Stickers for GBWhatsApp

Exclusive pack of stickers for GBWhatsApp

WaStat

How much time do you spend hooked up to WhatsApp?

WhatsBot

Schedule automatic replies with this WhatsApp bot

Whats Tracker: Who Viewed My Profile?

App to spy on who visits your WhatsApp profile

WhatsApp Spy

Spy on your WhatsApp contacts to know when they've been online

Whats Dual

Sync one of more WhatsApp accounts on one or more devices

Tools for WhatsApp

A toolbox with resources to enhance WhatsApp

WhatsDog

Monitor your contacts' WhatsApp status

Whats Web

Backup all your files received by WhatsApp

busuu

Interactive exercises and quizzes to learn many languages

Tandem

Learn to speak other languages by means of conversation exchanges

Duolingo

An app to learn languages, maths, and music with your cell phone

Memrise

Learn languages with a revolutionary method

HelloTalk

Practice languages with native speakers

Duolingo ABC

An English course for kids

LOLA SPEAK

Learn English by talking

Rosetta Stone

App for learning a range of languages

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

Lingokids Chinese for Kids

Learn Chinese from your smartphone

HiNative

Learn languages with the help of native speakers

Pleco

A great resource for students of Chinese

Babbel

Learn languages with your mobile phone in an entertaining way

DW Learn German

Free German course adapted to all levels

Mondly

Alternative to Duolingo learn languages