WaStat

How much time do you spend hooked up to WhatsApp?

WhatsDog

Monitor your contacts' WhatsApp status

Whats Tracker: Who Viewed My Profile?

App to spy on who visits your WhatsApp profile

Status Saver

Download the statuses of your favoriate chat and messaging app

Whats Web

Backup all your files received by WhatsApp

WaRadar

The app for discovering if your WhatsApp contacts are online

WhatsApp Spy

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

WT Hub

Set of additional tools for WhatsApp

Labalabi for WhatsApp

Send bulk messages on WhatsApp

Yansa

Messenger app tracker

Tools for WhatsApp

A toolbox with resources to enhance WhatsApp

Whats Tracker

Check who's viewed your WhatsApp profile

WhatsBot

Schedule automatic replies with this WhatsApp bot

GBStickers - Stickers for GBWhatsApp

Exclusive pack of stickers for GBWhatsApp

Whats Dual

Sync one of more WhatsApp accounts on one or more devices

WAPunch

Add new features to WhatsApp

SkySafari

A powerful planetarium in your pocket

Stellarium

Discover the cosmos from your phone

Star Chart

The sky mapped on your phone

Starlight

Explore the stars with your smartphone

Heavens Above

Predictions for observing satellites

Star Tracker

A planetarium on your phone

NASA App

NASA information on your mobile

Mobile Observatory

An entire planetarium in your pocket

Star Walk 2

Identify stars on your smartphone

SkyPortal

Discover the wonders of the night sky

Satellite Finder

An app for aligning your satellite dish

Sky Tonight

Go ahead and explore the sky!

Nightshift

Explore the night sky

SkyView

App for observing the sky and the stars

Sky Map

A complete sky map on your mobile phone