Google kills Bump and Flock: Developers say good-bye

Four years. More than 125 million downloads. Some one billion photos sent. And yet, users of Bump and Flock, acquired by Google for $30 million late last year, will soon see their apps cease to function and all their user data deleted.

Flurry: App downloads still spike at Christmas, but growth slows

It's become as predictable as turkey and mashed potatoes on Christmas Day: device activations spike, followed by a corresponding rise in app download volumes. According to the latest report from Flurry, however, developers may not want to count on the holiday season as a long-term engagement strategy.

Distimo: Google Play revenue grew 51% over the last six months

The growth of Google Play revenue over the course of 2013 should serve as a warning to Apple, according to Distimo. Distimo's Year in Review report looked at the top downloads by country, app business models and more. 

The 7 app developer moments that mattered in 2013

They came, they saw, they downloaded. Well, some of them downloaded. Consumer interest in apps continued to climb in 2013, but for the developers who created them, the year was filled with a variety of platform changes, concerns over how user data is handled, an emphasis on analytics and more than a few surprising mergers and acquisitions. Thus, FierceDeveloper is taking a look back on the year that was to put some of the biggest stories in perspective.

Apple's curved glass patent and the shape of iOS apps to come

Stop dreaming about a curved glass iPhone. Just stop. As much as Apple's latest patent may tempt developers otherwise, that's not the thing they should be focused on.

Apple iBeacon vs. NFC: Where location-based apps are headed

The idea of location-based services in a retail environment has been around for a while, but iBeacons' use of the Bluetooth LE standard means apps may soon be able to take advantage of indoor or "micro-location" scenarios. This could include not only use cases in stores, but also in museum displays, trail markers in parks, or even in the home. It could also represent Apple's response to those who have wondered if the company would ever adopt Near Field Communications technology in iPhones.

App Annie: Japan overtakes U.S. in app store revenue

Japan has knocked the United States out of the No. 1 spot in terms of monthly app store revenue, according to a new report from App Annie. The analytics firm's latest report showed Japan nearing $350 million in combined revenue across iOS and Google Play in October.

How app developers are responding to Instagram Direct

While social media industry pundits were pondering the implications of Facebook launching Instagram Direct, app developers on Twitter immediately formed a hypothesis of their own about the strategy.

MEF: Mobile content purchase volumes fall for first time ever, to 42%

According to the third annual Global Consumer Survey from the Mobile Enterprise Forum, the industry witnessed its first decrease in purchase volumes of digital content, from 54 percent of mobile media users in 2012 to 42 percent in 2013. The MEF surveyed more than 10,000 users across 13 countries as part of its research.

Appolicious, Appreciate and the quest for the ultimate mobile app discovery service

They are the kind of mistakes that can happen to anyone: 'Candy Crush Saga" becomes "Candy Crash Saga," or "Evernote" becomes "Evernot." Of all the discoverability challenges facing app developers, clumsy typos are only the tip of the iceberg. And there are plenty of third party app discovery services and app search firms that hope to make finding apps even easier.

The one thing that should intrigue app developers about Jolla

The launch of Jolla's eponymous device and the Sailfish operating system a few weeks ago may not have had anywhere near the splash of a new iPhone or Samsung Galaxy unveiling, but it may still be worth watching, for a number of reasons. 

Developers can only speculate about why Apple bought Topsy

Developers didn't even need 140 characters to describe their reaction to Apple's reported $200 million acquisition of Topsy last week.

Real-world rewards in mobile games: How developers could win

As they seek to increase and sustain engagement in an increasingly competitive market, firms like Playstudios are moving far beyond virtual currency or purely in-app perks to incent users. Real-world rewards, as they're called, are quickly becoming a way to keep gamers coming back to an app over and over again.

What a 'designed for tablets' label says about an app

There are plenty of ways to explain what responsive design is, but here's my favorite: If you're squinting at the screen, it's not a responsive design. Google, on the other hand, recently decided that no matter how well developers manage to make an app render across different devices, consumers will be better served if they are able to shop by form factor. That's the only rational explanation for the recently-launched "Designed for Tablets" section that now appears in its Google Play app store.

iOS 7.1 beta gets developers talking on Twitter

Just before the Thanksgiving holiday, Apple offered developers a sneak peek at something they seem truly grateful for, based on Twitter comments: the beta version of iOS 7.1.

Millennial Media: Productivity, Sports are app categories on the rise

Games may continue to dominate the apps market, but emerging categories like Sports and Productivity tools are on the rise, according to Millennial Media. The company recently released its Mobile Mix report for Q3 2013 based on app activity across its network. 

Why Pinterest is holding off on a more inclusive API strategy

You can call Pinterest many things--a social networking service, an image database, a haven for digital scrapbookers--but you can't yet call it a platform.

Flurry: More developers with 1M monthly active users than ever before

We usually hear about the staggering growth stats of major apps from Facebook and Snapchat, but recently released data from Flurry indicates there's hope for developers who dream of amassing millions of monthly active users.

Would you pay $99 for Moga's portable game controller?

When iOS 7 launched there were hopes that it would usher in a new era of mobile gaming. Now, thanks to Moga, developers are starting to see what that area is going to look like.

How Unity became the battleground for mobile game analytics

All app developers know that if they want their mobile games to succeed, they have to be available on Apple's iOS, Google's Android or both. And for many of them, getting there now means working with Unity.