Last year at MIX’10 Microsoft first announced its Windows Phone 7 Developer platform. Since then many things have changed. Brandon Watson from Microsoft has blogged about some Windows Phone numbers regarding the platform.  Here is the list shared by him,

• 1.5 Million – The Windows Phone Developer Tools, consisting of Visual Studio Express for Windows Phone and Expression Blend 4 for Windows Phone have been downloaded over 1.5 million times. Put differently, the number of downloads equates to the size of the entire population of Philadelphia. (Somewhere a NY Giants fan just screamed.)
• 36,000 – People are talking a lot about the number of developers in their ecosystem. It would be easy for us to say that we had 1.5 million given the developer tools downloaded, or we could talk about the number of people we have on mailing lists, but we won’t. We’d rather give a nod to the 36,000 members of the AppHub community who have voted with their wallets and become members of the Windows Phone developer community.
• “The number:” 11,500 – What is an app? It’s a question that really begs some scrutinizing. For us, from the beginning, we have always been focused on quality over quantity. We recognize the importance of getting great apps on our platform and not artificially inflating the number of actual apps available to customer by listing “wallpapers” as a category, or perhaps allowing competitor’s apps to run on the platform to increase “tonnage.” We also don’t believe in the practice of counting “lite” apps as unique quality content. In reality they only exist because developers can’t have a Trial API and must therefore do extra work. Finally, we don’t double and triple count apps which are submitted in multiple languages.
  We respect that determining what is or is not a quality app is subjective, for example eBooks as titles will probably find their way onto the platform en masse. Still, we believe we have the standards and processes in place to continue ensuring that customers have the ability to quickly and easily locate and acquire quality apps and games that extend the value of their phone.
  We’ve been very focused on the quality of the apps in the Marketplace since we first announced the platform one year ago, and we’ve done this by doing what we do best for developers; giving them great tools, tons of sample code and unparalleled support through our incredible Developer & Platform Evangelism team. As a result, we’ve got apps; thousands of them. In fact our ecosystem generated 10,000 apps faster than anyone else, without padding the stats.
• 7,500 – It’s great to have a platform full of apps, but most developers we speak to are concerned with making money. That’s going to be a function of a few things. You might think that the primary driver is number of handsets in market. Based on the conversations we are having with some of our developers, many are telling us that they are seeing more revenue on our platform than competing platforms, despite the fact that we cannot yet match the sheer number of handsets being sold. For them it’s about truly setting their own price and the ability to get noticed. So far, we have nearly 7,500 apps that are either paid in our Marketplace.
• 1,200 – While the 36,000 registered developers are nice to talk about, the 1,200 newly registered developers we are adding every week is incredibly encouraging. Developers are pragmatists and they are going where there is ample opportunity.
• 1,100 – Speaking of ad funded apps, there are now 1,100 apps that are generating developer revenue using the Microsoft Advertising Ad Control. Even more impressive is the double digit growth rate of new ad funded apps that are being added to the Windows Phone Marketplace every month. Check out how two student developers and a part-time hobbyist turned their apps into lucrative revenue streams.
• 12 – Customers love our apps. Love them. Windows Phone customers download an average of 12 apps each month. Considering that the phone has only been widely available for around 4 months, that’s very healthy demand.
• 1.8 – Nothing upsets developers more than not knowing what is going on with their app during certification. Since opening the Marketplace for application ingestion developers have experienced an average time to certification of 1.8 days. Certification can yield a pass or fail, but developers get an answer on average in days – not weeks, nor months.
• 62% – When developers are given clear and prescriptive guidance about what is expected of them and their app, it’s only fair to assume that apps will make it through certification quickly. They do. 62% of all apps pass certification on their first attempt. We know that we don’t have it perfect yet and we continue to work with our community to find out how we can be better. For example, when we updated the policy regarding the requirement to provide a support alias based on developer feedback, pass rates grew by almost 10 full percentage points. We will continue to listen to our developer community to ensure that they have a voice in the vetting process while still delivering high quality apps to our collective customers.
• 44% – Of all the paid apps in the Marketplace, 44% of them include access to a Trial version. Our developers rely on the Trial API available for Windows Phone 7 to drive consumer confidence in their purchases. Trying before you buy…what a concept.
• 40% – The statistic that gets me the most excited and speaks the most to the work my team has yet to do is the percentage of registered developers who have published their apps. 40% of the fully registered developer population has published an app or game, yet 60% have not yet published. That’s incredibly exciting when you consider the amount of creativity which is still forthcoming.
• 1 – It only takes one idea. One idea to get you started down the path of building an amazing app or game, reaching millions of people, or maybe just showing off to your friends. It only takes one.

Brandon promised more commitment to the platform and developers in coming years with more info on what’s coming to Windows Phone later this year will be announced at MIX’11.

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About Pradeep Viswav

Pradeep was a Microsoft Student Partner when he was pursuing his Computer Science & Engineering degree. He now works for a MNC. He is passionate about technology and loves to share his knowledge with people. People used to mention him as “A Geek who is not Nerd”. He was fascinated by the Metro Design language and Windows Phone which made him to follow and develop applications for it. Follow him at twitter.com/pradeepviswav

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