Apps4iPhone!

Cydia is app store and package manager that lets you download apps that haven't been approved by Apple for your jailbroken iPhone, iPad and iPod Touch.

The App Store lets you discover hundreds of thousands of applications that you can download for your iOS device. Browse the App Store for games and apps for business, entertainment, and more.

AppCake (by iPhoneCake.com) is an active community where people share their IPA and APK files, so you can download and install them on your device.

iNoJB, formerly known as "iNoCydia", is a Cydia alternative made by Colton, It has many tweaks as well as apps from the Emu4iOS Store that require no Jailbreak or PC to install. As of version 2.0 it has a developer panel, user-uploaded apps, a native app, and optional in-store purchases. It is one of the best stores out there and I would go get it right away!

TuTuApp is just like an app store to get paid application for free as well as processed apps and games. This application can be used on iOS versions 9.0/ 9.1/9.2/.9.3/9.4 or above. It also allows the user to get paid games for free it's all cracked IPA files. Most people enjoy vShare but Tutu has a lot of options. There is a free version and a VIP version

Downlor.com is an awesome App Store. They have an Easy App Store submission developer console where developers can submit their app for short review and increase app installs.Write an article, write a blog, submit PC software as a developer and share them with your friends and users for free!