Thursday, April 12, 2012

Amazon Appstore's Free App of the Day, 4/12/2012: Percent Calculator (Pro) has promised to make a paid app free every day in the Amazon Appstore, and today's app is Percent Calculator (Pro).

Percent Calculator (Pro) is priced at $0.99 in Google Play, and it is normally priced at $1.00 in the Amazon Appstore. As we've noted before, there are sometimes differences in pricing between the two marketplaces.
Percent Calculator (Pro) is described as follows:
Calculations You Need

Percent Calculator provides real-world features that you can use. The handy app quickly calculates the percentage values you'll likely encounter in common situations throughout the day.

Beyond calculating straight percentages, the app specifically calculates discounts, price markups, profit margins, and percentage differences, as well as tips. This app is great for shopping trips and pricing research, whether in storefronts or online.

With a clear interface, easy-to-read fields, and customizable colors and themes, Percent Calculator gets you the answers you need when you need them.

Calculator List

1. Calculate Percents and Percentages
2. Percent Discounts (sale price)
3. Percent Markups (increase by)
4. Percent Margin (selling price)
5. Calculate Tips
6. Percentage Difference (Change)
7. Percentage (i.e. x is what percentage of y)
Percent Calculator (Pro) is rated at 4.5 stars in Google Play. It is rated at 3.6 stars in the Amazon Appstore.

Backup Up to 5 PC's!
Note that Percent Calculator (Pro) is named Percent Calculator - Full. It was a little hard to find, in fact, since there was a different Percent Calculator Pro in Google Play. In addition, the developer uses the name WhichMan, INC. in the Amazon Appstore and CityJams in Google Play.

The free version, Percent Calculator, has 3,399 ratings in Google Play at 4.4 stars. Based on that, we'd say that as a free app, this is a good "buy."

Those who are considering "buying" a Free Amazon Appstore app might want to consider what it means to developers. opened up the Appstore despite a lawsuit by Apple, which has previously trademarked the term "App Store." Microsoft has filed an appeal against that trademark, saying the term is too generic. has responded to the lawsuit in the same manner.

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