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!

Circle Pay

“Pay friends (and get paid) with just an email or phone number. Instantly. No fees. Split the tab, pay your half of the cable bill, chip in for a group gift, beg mom for cash and more.”

CirclePay

Voice Dream Reader

“Read with your ears! Voice Dream Reader is a widely acclaimed desktop-class app that reads articles, documents and books out loud. With advanced text-to-speech and a highly configurable visual layout, it can be tailored to suit every reading style and level.”

VoiceDreamReader

Remixlive

“Mixvibes, the pioneer of digital djing, introduces the perfect remix toolbox: lay down samples on a grid of pads and tweak them in seconds. Don’t have any production hardware? Remixlive is all you need to turn ideas into high-quality tracks.”

RemixLive

Komoot

“Explore more of the great outdoors. Get offline maps, turn-by-turn navigation and recommendations on hikes, cycling routes and mountain bike trails.”

Komoot

Unit Converter

“Unit Converter provides quick and accurate unit / metric conversion in an extremely easy to use and intuitive UI.”

UnitConverter

Splitwise

“Splitwise is the best way to share bills and IOUs and make sure that everyone gets paid back. Use Splitwise to split household bills with roommates, to figure out costs for a group vacation, or just to remember when a friend spots you for lunch.”

Splitwise

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