ProtonMail

The CERN's safe email service

Yahoo Mail Go

The lightweight version of Yahoo's email app

Libero Mail

Email app compatible with several providers

Petal Mail

Huawei's e-mail application

TypeApp

Multi-service-compatible mail client

WEB.DE Mail & Cloud

A German mail manager

Solo Notifier

Email notifier with support for calls and messages

Samsung Email

The email client optimized for Samsung smartphones

Tutanota

Send end-to-end encrypted emails

Boxer

An alternative to Gmail with many tools

VK Mail

The email client from VK

myMail

Unified email account manager

Yandex.Mail

Email service belonging to the Russian multinational

GMX Mail & Cloud

Official GMX email service app

QQmail

Email manager

Cleanfox

Get rid of spam at the drop of a hat

Whats Tracker

Check who's viewed your WhatsApp profile

WaRadar

The app for discovering if your WhatsApp contacts are online

WAPunch

Add new features to WhatsApp

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

WT Hub

Set of additional tools for WhatsApp

Tools for WhatsApp

A toolbox with resources to enhance WhatsApp

WaStat

How much time do you spend hooked up to WhatsApp?

Whats Web

Backup all your files received by WhatsApp

Yansa

Messenger app tracker

Whats Dual

Sync one of more WhatsApp accounts on one or more devices

Status Saver

Download the statuses of your favoriate chat and messaging app

WhatsBot

Schedule automatic replies with this WhatsApp bot

WhatsDog

Monitor your contacts' WhatsApp status

Labalabi for WhatsApp

Send bulk messages on WhatsApp