Time for another round of apps that cover the spectrum of your beloved mobile device, be it iPhone, Android or Windows!

The Weekly App Smack is the best of design and productivity apps (and maybe a couple of fun ones, too) for the busy design or engineering professional and this week we have a list sure to make you more efficient.

This week we have everything from a 3D CAD viewer to a new automation app and more for your favorite device.

Have an app suggestion that’s made your life easier or changed up your workflow?

Let us know in the comments below or send it in to [email protected]

Hit it!

Group Text+

“Group Text+ makes it easy to message the people you care about using iMessage and SMS. No need to convince your friends and family to sign up for yet another messaging service…”

Messages

Workflow

“Workflow is your personal automation tool, enabling you to drag and drop any combination of actions to create powerful workflows…”

Workflow

3D CAD Models Engineering

“This app provides engineers and purchasers in the mechanical engineering, automotive and building industry direct access to thousands of parts from more than 400 certified catalogs of leading global manufacturers…”

3DCadViewer

Equalizer +

“Equalizer+ the new standard when it comes to audio music player! A must have to listen to your favorite songs and playlists! Boost and improve your sound quality and volume thanks to Equalizer+! Equalizer + is both a music track player and a frequency equalizer. Access your own music library directly from the app. Set the frequencies you like for your songs and save your presets…”

Equalizer

Nextgen Reader

“A fast, clean and beautiful RSS reader for Windows and Windows Phone…”

NextGenReader

7z-ZIP-RAR

“The ideal packager for any files – it is a new file archiver 7z-ZIP-RAR! With this archiver you can forget about all problems associated with the packing and unpacking of archives: 7z, ZIP, RAR, XZ, TAR, ISO and others…”

ZipPack

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