Check out Enki, the Android and IOS app that is perfect for keeping your coding skills sharp. This app uses gamification to keep you interested. Every day you get a reminder to do your daily workout on up to two languages. As you complete the workouts, games are unlocked which also challenge your top of mind knowledge in timed contests that you can come back to in the future. 

The App: Enki allows the users to select up to two languages at the time and they are working on adding more everyday. I started using this app several weeks ago. The daily reminders keep me on a steady learning path with exposure to concepts both core and advanced. When you learn something, you can bookmark the explanation for easy future refence. The games range from simple questions to "True / False challenges.

Languages: Enki currently offers the following languages for daily workouts and they have a good sized list of other languages that you can vote to be in their next release.

• Java
• Javascript
• CSS
• Python
• Git
• Linux

Mobile Friendly: I am running Enki on my phone and find it easy to do my workout whenever I have a few minutes. Enki only requires you to spend about 15 minutes or so a day on the workouts, and rewards you for streaks of days where you have completed all your workouts. Even if I am just standing in a line somewhere, I can whip out my phone and review a concept that I learned about in a past workout. It is a great way to drive home the concepts and syntax of a programming language, in bite sized daily chuncks.

The Verict: I am really liking the daily workouts, and I am well on my way to working through all of the available learning paths. I try to keep learning as a daily thing, and Enki goes a long way towards helping me to not forget to constantly study. If you want to sharpen your dev skills, have a busy life, and need the daily reminders to keep your coding skills sharp; give Enki a try!