It’s time for another round of apps that cover the spectrum of your beloved mobile device(s)!

The Weekly App Smack is the best of new or updated 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.

Do you have an app suggestion that has made your life easier or changed up your workflow? Let us know in the comments below or send it into

Hit it!

Notability (iOS — $9.99)

Welcome to Notability: powerful, yet wonderfully simple note-taking and PDF annotation.

Thunderly (iOS – Free)

Do you love storms as we do?
Then you’ll love our app.

Threader (iOS — Free)

Discover a great selection of threads from Twitter every day./em>

Weather Live Free (Android — Free)

Rely on the accurate weather forecast and adjust your schedule to the weather coming in. You won’t even have to look out the window as the app will make you feel like you are already outside!

U Scanner (Android — Free)

Digitize, save and share meeting slides, whiteboard annotations, receipts, and even napkin scribbles, with a single click.

Taskful (Android — Free)

Taskful is a smart to-do list and task manager app that helps you stay on track and meet your deadlines