Cân Lúa is a free Android app developed by Thiều Minh Luân, designed to help farmers quickly and easily calculate the weight of their produce without the need for pen and paper. This utility and tool app is perfect for weighing crops such as rice, watermelon, vegetables, and fish.

With Cân Lúa, users can save time and effort by automatically storing the data they input. They can also review all the previously saved weight measurements whenever they need them. The app also automatically calculates the total weight, minus the weight of the packaging, and the final cost.

Cân Lúa is a very convenient and user-friendly app that can be used any time of the day, whether it's in the morning or at night. It eliminates the need for farmers to carry around pen and paper or to manually calculate the weight of their produce. The app also allows users to export data to Excel files or send them via email, as well as share the results through social media platforms like Zalo and Facebook.