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I did some price experimentation with my app (Blu Graphing Calculator). I ranged from 1.49 to 3.99. I kept every price up for around a week. Here are some of my findings:

- Blu was selling the most at $1.99 but the revenue was the most at 3.99 (sold on average more than half of what I sold at 1.99).

- Interestingly enough, it sold much more at 1.99 than at 1.49

I chose to push back to 1.99 for the time-being to increase the # of users.



That's really interesting to know, your app looks awesome. May I ask how long that took you and did you make this in JS? I'll try raising the price of mine for a week and see what the results are thanks.

Link to Blu Graing Calc: http://apps.microsoft.com/webpdp/en-us/app/blu-graphing-calc...


Thanks :). This was around 7 months of mornings and weekends while I had a full-time job. (I quit a month ago to start my own thing).

I built this with JS/HTML/CSS but the MathEngine component I built using C# (.winmd) and called into it from the Javascript.

If you have any specific questions about how different parts are implemented, let me know :).


Same I left MSFT in March to do my own thing! Not just this Windows App tho, it was just a side project while I failed at a startup earlier this year.

I was just thinking that with the state of the how APIs were last year this would have been very tough to do, so I was wondering if you went the JS route since it was in better shape than XAML.


Nice, I used to work for MS too :).

I actually went the JS route because of my skillset. I was was web-dev before I joined MS and never got into XAML much.

The JS platform was pretty stable from the initial public release, I guess that's because it is built on top of IE which has been around much before Win8 came along.




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