It’s time for another round of apps that cover the spectrum of your beloved smart 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. 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!

Enki – Coding, Learn to Code (iOS — Free)

The #1 app to learn data science, learn to code, stay on top of tech trends, or to keep improving as a developer! Topics include SQL, Data Science, JavaScript, Python, Blockchain, CSS, HTML, Security, git, CompSci fundamentals, Linux and Java.

Enki - Coding, Learn to Code

GoodTask – To Do List Manager (iOS – Free)

GoodTask is a Powerful Task/Project Manager based on iOS Reminders & Calendars. You can use it as simple checklist to focus or as complex project management tool to get big things done.

GoodTask - To Do List Manager

Invoice Simple, Estimate Maker (iOS — Free)

Invoice Simple is the easiest way to send professional invoices and estimates to your customers. It’s perfect for small business owners, contractors and freelancers needing a fast, easy to use mobile invoicing solution.

Invoice Simple, Estimate Maker

Hours Time Tracking (iOS — Free)

With a visual timeline, smart reminders, detailed reporting, and an interface crafted by and Apple Design Award winning team, Hours turns a tedious process into — dare we say — an enjoyable one.

Hours Time Tracking

Focus Timer – Keep you focused (iOS — $2.99)

Pomodoro & Study Habit Changer.

Focus Timer

Product Hunt (iOS — Free)

Discover your next favorite thing. Product Hunt surfaces the best new products and apps, every day.

Product Hunt