For years, many of us have been bemoaning the lack of Play Store promo codes for Android apps. On the other side of the fence, iOS has had this feature forever. Now Google is getting with the program—promo codes have been added as an option in the Google Play developers console. That means you'll be able to input a code and get a free app or in-app content. Yay!
This feature has been explained in more detail on Google's help pages. It's not a free-for-all with as many promo codes as you can handle. Google has placed some limits on the system. Developers will be able to generate up to 500 free promo codes per quarter, and unused codes don't roll over. Developers can hand out codes for any paid app/game, as well as in-app purchase content. You cannot create codes for subscription content, though.
Devs have the option of setting expiration dates for their promo codes or pausing the promotion. The promotions can last up to one year, and as far as we know, the codes are one-time use. So, it shouldn't be long until developers start running real free promos. We reached out to Google to see if there are any additional details.
- Play Store Dev Help