Zuhanden GmbH has (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $4.99) for a limited time.

File Manager Pro is the best app to download, organize and view all your files on your iPhone or iPad. It is like the Windows Explorer on your PC or the Finder on your Mac. You can always have your documents right at your fingertips.

THX Ltd. has THX tune-up (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $1.99) for a limited time.

THX tune-up  allows you to properly adjust your TV, projector and speakers, helping you get the most out of your entertainment system.

THX tune-up features custom video test patterns, carefully selected photos and tutorials to help you adjust and confirm the best picture settings on your display based on your room lighting. Using special test sounds, THX tune-up also lets you check your external speakers to make sure they are working in phase and are connected properly for 2-channel stereo or 5.1 surround sound systems.

THX tune-up is completely interactive — go through it at your own pace, in any order. Connect a supported iOS device to the display or sound system with an HDMI adapter & cable, or via AirPlay with Apple TV (3rd gen).

To get started, locate the adjustment buttons on your television and audio video receiver (AVR) remote controls and then simply follow the THX app tutorials which will walk you through your “THX tune-up.” The app offers tips about your remote control, room lighting, viewing distance and other helpful advice.

Appxy has TinyScan Pro (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $2.99) for a limited time.

TinyScan turns your iPhone into a mini scanner for documents, photos, receipts and other texts. With TinyScan, you can scan your documents at anywhere and store or email them as PDF files. TinyScan is well designed and extremely easy to use. The interface is user friendly. It uses fast algorithms and detects page frames automatically. It provides 3 modes for different files – color, grayscale, black & white. Each mode shows a perfect contrast.

Happymagenta has Mnemonizer (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE (regularly $3.99) for a limited time.

Mnemonizer is a breakthrough innovation in data security. Store your PINs and passwords smart by hiding them among random symbols on a mnemonic card. Having placed your data on the cell field, you will be the only person in the world to read it right. Peeking at the screen of your device, everyone else will see a mess, absolutely impossible to sort out in a variety of over 14 mln combinations. Trying to guess your data would be an a priori lost cause. Thus, yours will stay only yours.

Security does not mean complexity. While other apps protect your “naked” data by passwords, that complicate your access and do not prevent from stealing, Mnemonizer goes deeper. It proves that accessibility and simplicity can equal safety and confidentiality.

Featuring beautiful, simplistic, clean and fast interface, Mnemonizer makes for an efficient and enjoyable experience. And mesmerizing fluid animations, actualized by OpenGL ES, give it a special charm, making it stand out from the pack.