Apps That
Went Free on
2019-08-26

Sleep Sounds allows you to browse through its collection of more than 50 looped sounds with a swipe. To save on storage space, the sounds need to be downloaded one by one. You can mark your favorites with a tap for quick access later on. The app also includes a sleep timer and an alarm.

Matrix Numerics is a powerful linear algebra app with a straightforward interface. It allows you to add, subtract, and multiply matrices, calculate results involving vectors, solve linear systems of equations, and so much more. Matrix Numerics includes a tutorial in order to ensure you’re able to take advantage of all it has to offer.

The days of switching between apps to calculate are over. Calcvier puts a calculator right into your keyboard. It includes all basic operations as well as the ability to save expressions. A dark theme is available as well.