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 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 [email protected].

Hit it!

Doo – Get Things Done

“Doo helps you get things done by encouraging small, achievable reminders. Each reminder you create becomes a card. Swipe cards away to mark them completed and power through your to-do list.”

Doo

GOAT: Buy & Sell Sneakers

“GOAT is the safest way to buy and sell sneakers. We offer free verification services on all purchases to ensure your sneakers are authentic and as described.”

Goat

Grid

“Grid is the place to build & organize your creative ideas, especially with friends and fellow builders. Every Grid is a personal sandbox that can hold ideas small and large, and gives you the space to let your ideas free, or have anyone lend a hand in building something great.”

Grid

Stack

“Stack up the blocks as high as you can!”

Stack

Serenity

“Serenity icons are an ongoing project where the alternatives are the real stars of the app. No one says an app has to have a specific icon. Try switching out that boring phone icon with your favorite superhero character!! It’s easier than ever with this well-organized dashboard, including search support. These are completely flat icons with a soft and gorgeous fixed color palette.”

Serenity

A Skyrocket Story

“A truly unique, addictive, and seriously fun game that will test your skills, as you explore a world you’ve never seen before.”

Skyrocket

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