Photo Footprint does a fantastic job of reorganizing your photos into a scrollable timeline. Photos are grouped together based on where and when they were taken, and they are accompanied by a built-in map. Tap on the photos to scroll through them one by one, and tap on the map to bring it into full view and search around. You’re also able to earn achievements based on the places you have taken your photos.
FotoMap-where photo was taken is available for free for a limited time. It has a 4-star rating with a total of 70 ratings.
VisualMath 4D is a professional graphical calculator. It allows you to browse through a collection of built-in functions like trigonometrical, rounding, and sum and product or you can compute your own. Functions can be drawn in 2-D, 3-D, and 4-D all with a time variable. You’re also able to save your functions, rotate and zoom in on the graph in three dimensions, and display multiple graphs at once.
Visual Math 4D is available for free for a limited time. It has a 4.5-star rating with a total of 332 ratings.
Basic Calc’s interface is free of distractions and unnecessary functions. Its large keypad area provides ample room for you to make calculations. Basic Calc displays your formulas as they’re crafted, and retains the information in history. On iPhone, swipe down to access history. On iPad, the history will be prominently displayed down the side of the screen. Calculation history can be edited and copied as well.
Basic Calculator Pro is available for free for a limited time. It has a 4.5-star rating with a total of 230 ratings.
If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:
- It must have at least a three-star average rating at the time it goes free.
- The app must not have been free numerous times (3+) over the last six months.
- The free version of your app must not include ads.
To submit an app, simply send a request to [email protected] with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.