SuperEmper vs Quant

APP无线控制摆动速度，出球频率，上轮速度，下轮速度，计时器，长短发球，自动卸球，无规律发球，开始，暂停，等等功能，方便快捷。

Quant Unit Converter is a powerful tool for accurate conversion of physical quantities. Designed with the needs of engineers, scientists, students and everyone working with physical quantities in mind. Key features: ∙ Wide range of conversion units - more than 100 measurement units in various categories; ∙ Intuitive interface - simple and clear design for fast operation; ∙ Accurate calculations - high precision conversion with scientific notation support; ∙ Offline operation - works without internet connection. Unit categories: ∙ Basic: length, area, volume, mass, time, temperature; ∙ Physics: speed, acceleration, force, pressure, density, energy; ∙ Engineering: power, heat capacity, electricity, magnetism; ∙ Chemistry: amount of substance, radioactivity, viscosity. Fast and convenient operation: ∙ Instant conversion of selected measurement units when entering values; ∙ Quick copying of results; ∙ Ability to choose value rounding precision; ∙ Convenient setup of categories and measurement units you work with; ∙ Support for light and dark interface themes; ∙ No ads, only one-time purchase to unlock all conversion categories and support developers.