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Optimizing the world. Or why I believe Steve Jobs was Batman.
October 12, 2011, 01:50
As a programmer I learned the basics of optimization: if you're going to need the same data a million times, prepare it once then reuse it. Or in other words if you do things once instead of a million times, surprisingly it will happen faster overall.
Why is it ...
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Using instance cache in AppEngine instead of 'free' memcache really reduces costs
September 09, 2011, 18:48
In my previous post about Google's AppEngine horrible price hike I jokingly concluded that to optimize my apps in order to make appengine costs reasonable again the only solution would be to remove any useful code.
The higher the latency for your page, the more instances get spawned by ...
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Optimizing your AppEngine website for the new pricing: How to get from 422 $ per month back to free in a few lines.
September 01, 2011, 15:57
There has a been a lot of badmouthing about Google's AppEngine new pricing. Basically it went from being rather cheap to just incredibly expensive compared to normal hosting. Each of my instances (using ~30 mb of memory) will now cost (0.08 x 24 hours x 30 days) ~= 57 ...
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Average rating of 4.5 stars for a flashlight ? Checked.
August 21, 2011, 20:31
Here's a small follow-up on my post on increasing the number of reviews. As I stated before this has been a huge success, particulary for my Battery HD app. Here I'll share the results I got from my LED Flashlight app.
About the number of downloads
Note that ...
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Automate taking screenshots thanks to UIAutomation
August 10, 2011, 21:21
Taking screenshots is painful
Either by choice or simply because I failed to succeed there I decided to focus on countries other than the biggest market: the U.S.A. As a result, while never reaching the top #50 in U.S.A. some of my apps have ranked #1 ...
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On the importance of understanding reviews and the Great Firewall of China
August 09, 2011, 20:24
As I outlined in previous posts, every aspect is important in the decision to download an app. The icon, the description, the screenshots and finally even the reviews matter. Would you download an app if you saw all the reviews at the top had one star ?
As I twitted and ...
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How ranking in Japan went from #170+ to #19 thanks to localization - Update: #1 actually
August 06, 2011, 16:38
This recent 2.10 update to my Battery HD app keeps shining every day under a new light. Ironically it has a pair of new bugs but that doesn't seem to affect it's success much. After massively increasing the number of reviews, today, I noticed a huge ranking ...
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How I slowly increased my (ridiculously low) sales by a factor of 14
August 05, 2011, 15:43
Starting with miserable revenue and lots of free downloads
Most of my apps are simple and free. I make a living displaying ads from iAds, MobFox, Admob and inMobi) (in that order order of precedence). Each of them has a paid counterpart that users can get in order to get ...
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